Physical Measurement Laboratory

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</div>   <div data-elastic-exclude="" class="nist-block nist-social__wrapper--block"> <h2 class="nist-block__title">Connect with us</h2> <div data-quickedit-field-id="node/341061/field_shared_social_links/en/_custom"><a href="https://web.archive.org/web/20240401113328/https://public.govdelivery.com/accounts/USNIST/subscriber/new?topic_id=USNIST_187" class="nist-social nist-social--envelope" title="GovDelivery"><span>GovDelivery</span></a></div> </div>  </div> </aside> <div class="nist-page__region nist-page__region--content tablet-lg:grid-col-8 desktop-lg:grid-col-9"> <div class="nist-block"> <div class="paragraph paragraph--type--hero paragraph--view-mode--default"> <div class="nist-hero grid-row grid-gap-2"> <div class="nist-hero__item tablet:grid-col-6 "> <div class="nist-hero__item-inner"> <div class="nist-hero__image"> <a href="/web/20240401113328/https://www.nist.gov/news-events/news/2024/02/scientists-observe-long-predicted-superconductor-property-using-quantum"> <picture> <source srcset="/web/20240401113328im_/https://www.nist.gov/sites/default/files/styles/600w_x_360h/public/images/2024/02/13/Rey-Thompson_Dynamical-Phases-BCS_web.jpg.webp?itok=D4UtJGXt 1x, /web/20240401113328im_/https://www.nist.gov/sites/default/files/styles/1200w_x_720h/public/images/2024/02/13/Rey-Thompson_Dynamical-Phases-BCS_web.jpg.webp?itok=DdHQV2dx 2x" media="(min-width: 480px)" type="image/webp" width="600" height="360"/> <source srcset="/web/20240401113328im_/https://www.nist.gov/sites/default/files/styles/300w_x_180h/public/images/2024/02/13/Rey-Thompson_Dynamical-Phases-BCS_web.jpg.webp?itok=r30svh66 1x, /web/20240401113328im_/https://www.nist.gov/sites/default/files/styles/600w_x_360h/public/images/2024/02/13/Rey-Thompson_Dynamical-Phases-BCS_web.jpg.webp?itok=D4UtJGXt 2x" media="(min-width: 0px)" type="image/webp" width="300" height="180"/> <img loading="eager" src="/web/20240401113328im_/https://www.nist.gov/sites/default/files/styles/600w_x_360h/public/images/2024/02/13/Rey-Thompson_Dynamical-Phases-BCS_web.jpg.jpg?itok=D4UtJGXt" width="600" height="360" alt="Illustration shows pairs of strontium atoms with arrows indicating their alignment inside a QED cavity, with a levitating magnet beside it." typeof="foaf:Image"/> </picture> </a> </div> <div class="nist-hero__caption"> <a href="/web/20240401113328/https://www.nist.gov/news-events/news/2024/02/scientists-observe-long-predicted-superconductor-property-using-quantum"> <div class="text">Scientists Observe Long-Predicted Superconductor Property Using a Quantum Simulator</div> </a> </div> </div> </div> <div class="nist-hero__item tablet:grid-col-6 "> <div class="nist-hero__item-inner"> <div class="nist-hero__image"> <a href="/web/20240401113328/https://www.nist.gov/news-events/news/2024/02/nist-led-working-group-developing-standards-organ-chip-research"> <picture> <source srcset="/web/20240401113328im_/https://www.nist.gov/sites/default/files/styles/600w_x_360h/public/images/2024/02/22/Fig-2.png.webp?itok=H0AwAzRi 1x, /web/20240401113328im_/https://www.nist.gov/sites/default/files/styles/1200w_x_720h/public/images/2024/02/22/Fig-2.png.webp?itok=GwLodvE4 2x" media="(min-width: 480px)" type="image/webp" width="600" height="360"/> <source srcset="/web/20240401113328im_/https://www.nist.gov/sites/default/files/styles/300w_x_180h/public/images/2024/02/22/Fig-2.png.webp?itok=0Fo1FsRf 1x, /web/20240401113328im_/https://www.nist.gov/sites/default/files/styles/600w_x_360h/public/images/2024/02/22/Fig-2.png.webp?itok=H0AwAzRi 2x" media="(min-width: 0px)" type="image/webp" width="300" height="180"/> <img loading="eager" src="/web/20240401113328im_/https://www.nist.gov/sites/default/files/styles/600w_x_360h/public/images/2024/02/22/Fig-2.png.jpg?itok=H0AwAzRi" width="600" height="360" alt="Artist’s rendering of an organ-on-a-chip device" typeof="foaf:Image"/> </picture> </a> </div> <div class="nist-hero__caption"> <a href="/web/20240401113328/https://www.nist.gov/news-events/news/2024/02/nist-led-working-group-developing-standards-organ-chip-research"> <div class="text">NIST-Led Working Group Developing Standards for Organ-on-a-Chip Research</div> </a> </div> </div> </div> </div> </div> <div class="paragraph paragraph--type--dynamic-content-list-ou paragraph--view-mode--default"> <div class="nist-block "> <h2 class="nist-block__title"> <div class="string">News and Updates</div> </h2> <div class="viewsreference"><div class="views-element-container"><div class="js-view-dom-id-d1eda0aa83605ba327d549e693edb3000a84742144de27ebbc62a2de40751be4"> <div> <article about="/news-events/news/2024/03/bullseye-nist-devises-method-accurately-center-quantum-dots-within-photonic" typeof="schema:Article" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20240401113328/https://www.nist.gov/news-events/news/2024/03/bullseye-nist-devises-method-accurately-center-quantum-dots-within-photonic" hreflang="en"><img loading="lazy" src="/web/20240401113328im_/https://www.nist.gov/sites/default/files/styles/thumbnail/public/images/2024/03/12/illustration_photonic_structure.png?itok=Tf-dsJg_" width="100" height="42" alt="quantum dot illustration" typeof="foaf:Image"/> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20240401113328/https://www.nist.gov/news-events/news/2024/03/bullseye-nist-devises-method-accurately-center-quantum-dots-within-photonic"><span property="schema:name">Bullseye! NIST Devises a Method to Accurately Center Quantum Dots Within Photonic Chips</span> </a></h3> <div class="nist-teaser__date"> <div class="daterange"><time datetime="2024-03-18T12:00:00Z">March 18, 2024</time> </div> </div> </header> <div class="nist-teaser__content"> <div property="schema:text" class="text-with-summary"> Devices that capture the brilliant light from millions of quantum dots, including chip-scale lasers and optical amplifiers, have made the transition from </div> </div> </div> </article> </div> <div> <article about="/news-events/news/2024/03/researchers-develop-new-type-frequency-comb-promises-further-boost-accuracy" typeof="schema:Article" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20240401113328/https://www.nist.gov/news-events/news/2024/03/researchers-develop-new-type-frequency-comb-promises-further-boost-accuracy" hreflang="en"><img loading="lazy" src="/web/20240401113328im_/https://www.nist.gov/sites/default/files/styles/thumbnail/public/images/2024/03/14/two-laser-system-thumbnail.png?itok=VOiC44L_" width="100" height="86" alt="new comb system illustration" typeof="foaf:Image"/> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20240401113328/https://www.nist.gov/news-events/news/2024/03/researchers-develop-new-type-frequency-comb-promises-further-boost-accuracy"><span property="schema:name">Researchers develop a new type of frequency comb that promises to further boost the accuracy of time keeping</span> </a></h3> <div class="nist-teaser__date"> <div class="daterange"><time datetime="2024-03-14T12:00:00Z">March 14, 2024</time> </div> </div> </header> <div class="nist-teaser__content"> <div property="schema:text" class="text-with-summary"> Chip-based devices known as frequency combs, which measure the frequency of light waves with unparalleled precision, have revolutionized time keeping, the </div> </div> </div> </article> </div> <div> <article about="/news-events/news/2024/03/shrinking-technology-expanding-horizons-compact-chips-advance-precision" typeof="schema:Article" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20240401113328/https://www.nist.gov/news-events/news/2024/03/shrinking-technology-expanding-horizons-compact-chips-advance-precision" hreflang="en"><img loading="lazy" src="/web/20240401113328im_/https://www.nist.gov/sites/default/files/styles/thumbnail/public/images/2024/03/05/Best1.jpg?itok=mqbug8Jd" width="100" height="56" alt="Chip that converts lights into microwave signals. The chip is a fluorescent panel that looks like two tiny vinyl records. A gold box sits to the left of the chip, which is the semiconductor laser." typeof="foaf:Image"/> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20240401113328/https://www.nist.gov/news-events/news/2024/03/shrinking-technology-expanding-horizons-compact-chips-advance-precision"><span property="schema:name">Shrinking Technology, Expanding Horizons: Compact Chips Advance Precision Timing for Communications, Navigation and Other Applications</span> </a></h3> <div class="nist-teaser__date"> <div class="daterange"><time datetime="2024-03-06T12:00:00Z">March 6, 2024</time> </div> </div> </header> <div class="nist-teaser__content"> <div property="schema:text" class="text-with-summary"> This technology shrinks a tabletop system into a chip-sized format, reducing power usage and making it more applicable for use in everyday devices. </div> </div> </div> </article> </div> <div> <article about="/news-events/news/2024/03/nist-physicist-sae-woo-nam-pioneer-single-photon-detectors-passes-away" typeof="schema:Article" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20240401113328/https://www.nist.gov/news-events/news/2024/03/nist-physicist-sae-woo-nam-pioneer-single-photon-detectors-passes-away" hreflang="en"><img loading="lazy" src="/web/20240401113328im_/https://www.nist.gov/sites/default/files/styles/thumbnail/public/images/2018/03/21/03eeel001_sae_woo_nam_hr.jpg?itok=Yd4Labyd" width="99" height="100" alt="Sae Woo Name holding a circuit" typeof="foaf:Image"/> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20240401113328/https://www.nist.gov/news-events/news/2024/03/nist-physicist-sae-woo-nam-pioneer-single-photon-detectors-passes-away"><span property="schema:name">NIST Physicist Sae Woo Nam, Pioneer in Single-Photon Detectors, Passes Away</span> </a></h3> <div class="nist-teaser__date"> <div class="daterange"><time datetime="2024-03-01T12:00:00Z">March 1, 2024</time> </div> </div> </header> <div class="nist-teaser__content"> <div property="schema:text" class="text-with-summary"> During his 25-year career at NIST, Sae Woo performed groundbreaking work. He died in January at 53. </div> </div> </div> </article> </div> <footer> <div class="link-list"><a href="/web/20240401113328/https://www.nist.gov/news-events/news-updates/org/5651">View All News and Updates</a></div> </footer> </div> </div> </div> </div> </div> <div class="paragraph paragraph--type--dynamic-content-list-ou paragraph--view-mode--default"> <div class="nist-block "> <h2 class="nist-block__title"> <div class="string">Events</div> </h2> <div class="viewsreference"><div class="views-element-container"><div class="js-view-dom-id-f4f0f57abaf89683d319930c8a12d2fd93e7ec5059197ab7cdae5128c5b6b4f7"> <div> <article about="/news-events/events/5905-volume-metrology-seminar" class="nist-teaser"> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20240401113328/https://www.nist.gov/news-events/events/5905-volume-metrology-seminar"><span>5905 Volume Metrology Seminar</span> </a></h3> <div class="nist-teaser__date"> <div class="smartdate">Mon, Apr 1 - Fri, Apr 5 2024</div> </div> </header> <div class="nist-teaser__content"> <div class="text-with-summary"> The 5-day OWM Volume Metrology Seminar is designed to enable metrologists to apply fundamental measurement concepts to </div> </div> </div> </article> </div> <div> <article about="/news-events/events/5856-volume-metrology-seminar" class="nist-teaser"> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20240401113328/https://www.nist.gov/news-events/events/5856-volume-metrology-seminar"><span>5856 Volume Metrology Seminar</span> </a></h3> <div class="nist-teaser__date"> <div class="smartdate">Mon, Apr 8 - Fri, Apr 12 2024</div> </div> </header> <div class="nist-teaser__content"> <div class="text-with-summary"> The 5-day OWM Volume Metrology Seminar is designed to enable metrologists to apply fundamental measurement concepts to </div> </div> </div> </article> </div> <div> <article about="/news-events/events/2024/04/5885-fundamentals-metrology-iaao-participants-only" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20240401113328/https://www.nist.gov/news-events/events/2024/04/5885-fundamentals-metrology-iaao-participants-only" hreflang="en"><img loading="lazy" src="/web/20240401113328im_/https://www.nist.gov/sites/default/files/styles/thumbnail/public/images/2023/08/10/Fundamentals%20Cover.png?itok=SA4AEp0P" width="75" height="100" alt="Cover for Fundamentals of Metrology Training Folder" typeof="foaf:Image"/> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20240401113328/https://www.nist.gov/news-events/events/2024/04/5885-fundamentals-metrology-iaao-participants-only"><span>5885 Fundamentals of Metrology - IAAO Participants Only</span> </a></h3> <div class="nist-teaser__date"> <div class="smartdate">Mon, Apr 15 - Fri, Apr 19 2024</div> </div> </header> <div class="nist-teaser__content"> <div class="text-with-summary"> The 5-day Fundamentals of Metrology seminar is an intensive course that introduces participants to the concepts of </div> </div> </div> </article> </div> <div> <article about="/news-events/events/5902-measurement-assurance-basics" class="nist-teaser"> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20240401113328/https://www.nist.gov/news-events/events/5902-measurement-assurance-basics"><span>5902 Measurement Assurance Basics</span> </a></h3> <div class="nist-teaser__date"> <div class="smartdate">Thu, Apr 25 2024, 2:00 - 4:00pm EDT</div> </div> </header> <div class="nist-teaser__content"> <div class="text-with-summary"> This session will cover the requirements in NIST Handbook 143 (essentially ISO/IEC 17025) on Measurement Assurance </div> </div> </div> </article> </div> <footer> <div class="link-list"><a href="/web/20240401113328/https://www.nist.gov/news-events/upcoming-events/org/5651">View All Events</a></div> </footer> </div> </div> </div> </div> </div> <div class="paragraph paragraph--type--content-list paragraph--view-mode--default"> <div class="nist-block "> <h2 class="nist-block__title"> <div class="string">Awards</div> </h2> <div class="nist-field nist-field--label-hidden entity-reference"> <div class="nist-field__items"> <div class="nist-field__item"> <article about="/awards/2024-hermann-weyl-prize-nicole-yunger-halpern" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20240401113328/https://www.nist.gov/awards/2024-hermann-weyl-prize-nicole-yunger-halpern" hreflang="en"><img loading="lazy" src="/web/20240401113328im_/https://www.nist.gov/sites/default/files/styles/thumbnail/public/images/2023/07/03/nyh.jpeg?itok=fNWpBHAV" width="75" height="100" alt="Nicole Yunger Halpern" typeof="foaf:Image"/> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20240401113328/https://www.nist.gov/awards/2024-hermann-weyl-prize-nicole-yunger-halpern"><span>2024 Hermann Weyl Prize - Nicole Yunger Halpern</span> </a></h3> </header> <div class="nist-teaser__content"> <div class="text-long"> The 2024 Hermann Weyl Prize has been awarded to Nicole Yunger Halpern from the Joint Center for Quantum Information and Computer Science </div> </div> </div> </article> </div> <div class="nist-field__item"> <article about="/awards/2024-coblentz-award-recipient-dr-david-long" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20240401113328/https://www.nist.gov/awards/2024-coblentz-award-recipient-dr-david-long" hreflang="en"><img loading="lazy" src="/web/20240401113328im_/https://www.nist.gov/sites/default/files/styles/thumbnail/public/userphotos/David_Long_2.jpg?itok=40W3AS_A" width="100" height="96" typeof="foaf:Image"/> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20240401113328/https://www.nist.gov/awards/2024-coblentz-award-recipient-dr-david-long"><span>2024 Coblentz Award Recipient – Dr. David A. Long</span> </a></h3> </header> <div class="nist-teaser__content"> <div class="text-long"> David Long received his PhD in chemistry from the California Institute of Technology under the guidance of Mitchio Okumura. He then moved to </div> </div> </div> </article> </div> <div class="nist-field__item"> <article about="/awards/2023-presidential-rank-award-jila-and-nist-fellow-ana-maria-rey" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20240401113328/https://www.nist.gov/awards/2023-presidential-rank-award-jila-and-nist-fellow-ana-maria-rey" hreflang="en"><img loading="lazy" src="/web/20240401113328im_/https://www.nist.gov/sites/default/files/styles/thumbnail/public/images/2023/05/09/AnaMariaedited.jpg?itok=0vym6Qs1" width="100" height="56" alt="Ana Maria Rey poses at her office desk with physics journals spread out in front of her. Mountains are visible through the window behind her. " typeof="foaf:Image"/> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20240401113328/https://www.nist.gov/awards/2023-presidential-rank-award-jila-and-nist-fellow-ana-maria-rey"><span>2023 Presidential Rank Award - JILA and NIST Fellow Ana Maria Rey</span> </a></h3> </header> <div class="nist-teaser__content"> <div class="text-long"> Dr. Ana María Rey is a world-leading quantum theorist who collaborates daily with foremost experimental scientists to advance NIST </div> </div> </div> </article> </div> <div class="nist-field__item"> <article about="/awards/2023-vannevar-bush-faculty-fellow-ana-maria-rey" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20240401113328/https://www.nist.gov/awards/2023-vannevar-bush-faculty-fellow-ana-maria-rey" hreflang="en"><img loading="lazy" src="/web/20240401113328im_/https://www.nist.gov/sites/default/files/styles/thumbnail/public/images/2023/05/09/AnaMariaedited.jpg?itok=0vym6Qs1" width="100" height="56" alt="Ana Maria Rey poses at her office desk with physics journals spread out in front of her. Mountains are visible through the window behind her. " typeof="foaf:Image"/> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20240401113328/https://www.nist.gov/awards/2023-vannevar-bush-faculty-fellow-ana-maria-rey"><span>2023 Vannevar Bush Faculty Fellow - Ana Maria Rey</span> </a></h3> </header> <div class="nist-teaser__content"> <div class="text-long"> The 2023 Class of Vannevar Bush Faculty Fellows will join an esteemed group of approximately 50 current fellows involved in vital basic </div> </div> </div> </article> </div> <div class="nist-field__item"> <article about="/awards/2023-aspire-prize-us-winner-nicole-yunger-halpern" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20240401113328/https://www.nist.gov/awards/2023-aspire-prize-us-winner-nicole-yunger-halpern" hreflang="en"><img loading="lazy" src="/web/20240401113328im_/https://www.nist.gov/sites/default/files/styles/thumbnail/public/images/2023/07/03/nyh.jpeg?itok=fNWpBHAV" width="75" height="100" alt="Nicole Yunger Halpern" typeof="foaf:Image"/> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20240401113328/https://www.nist.gov/awards/2023-aspire-prize-us-winner-nicole-yunger-halpern"><span>2023 ASPIRE Prize U.S. Winner - Nicole Yunger Halpern</span> </a></h3> </header> <div class="nist-teaser__content"> <div class="text-long"> Nicole Yunger Halpern is an emerging young leader in the reconciliation and mutual strengthening of the concepts of thermodynamics and </div> </div> </div> </article> </div> <div class="nist-field__item"> <article about="/awards/2023-spie-harold-e-edgerton-award-high-speed-optics-tara-fortier" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20240401113328/https://www.nist.gov/awards/2023-spie-harold-e-edgerton-award-high-speed-optics-tara-fortier" hreflang="en"><img loading="lazy" src="/web/20240401113328im_/https://www.nist.gov/sites/default/files/styles/thumbnail/public/images/2023/04/26/tara-fortier.png?itok=ZMSnmVBq" width="100" height="62" alt="Tara Fortier" typeof="foaf:Image"/> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20240401113328/https://www.nist.gov/awards/2023-spie-harold-e-edgerton-award-high-speed-optics-tara-fortier"><span>2023 SPIE Harold E. Edgerton Award in High-Speed Optics - Tara Fortier</span> </a></h3> </header> <div class="nist-teaser__content"> <div class="text-long"> In recognition of pioneering contributions to the development of frequency combs based on mode-locked lasers and their applications in </div> </div> </div> </article> </div> <div class="nist-field__item"> <article about="/awards/2023-breakthrough-new-horizons-physics-prize-adam-kaufman" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20240401113328/https://www.nist.gov/awards/2023-breakthrough-new-horizons-physics-prize-adam-kaufman" hreflang="en"><img loading="lazy" src="/web/20240401113328im_/https://www.nist.gov/sites/default/files/styles/thumbnail/public/images/2022/09/21/Kaufman_photo.jpg?itok=Z0Ja8WFV" width="100" height="95" alt="Adam Kaufman poses for a head shot with a shelf of library books in the background. " typeof="foaf:Image"/> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20240401113328/https://www.nist.gov/awards/2023-breakthrough-new-horizons-physics-prize-adam-kaufman"><span>2023 Breakthrough New Horizons in Physics Prize - Adam Kaufman</span> </a></h3> </header> <div class="nist-teaser__content"> <div class="text-long"> Kaufman shares the $100,000 prize with selected winners, all from different institutions (Hannes Bernien, Manuel Endres, Kang-Kuen Ni </div> </div> </div> </article> </div> </div> </div> <div class="link-list"> <a href="/web/20240401113328/https://www.nist.gov/awards/org/5651">View All Awards</a> </div> </div> </div> <div class="paragraph paragraph--type--dynamic-content-list-ou paragraph--view-mode--default"> <div class="nist-block "> <h2 class="nist-block__title"> <div class="string">Press Coverage</div> </h2> <div class="viewsreference"><div class="views-element-container"><div class="js-view-dom-id-c0aefcec121cac6c1c1b5f2273d2af4f4ac182cd61fdf4c907ba91a8b3db821a"> <div> <article about="/press-coverage/chip-converts-light-microwaves" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20240401113328/https://www.nist.gov/press-coverage/chip-converts-light-microwaves" hreflang="en"><img loading="lazy" src="/web/20240401113328im_/https://www.nist.gov/sites/default/files/styles/thumbnail/public/images/2024/03/05/Best1.jpg?itok=mqbug8Jd" width="100" height="56" alt="Chip that converts lights into microwave signals. The chip is a fluorescent panel that looks like two tiny vinyl records. A gold box sits to the left of the chip, which is the semiconductor laser." typeof="foaf:Image"/> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20240401113328/https://www.nist.gov/press-coverage/chip-converts-light-microwaves"><span>Chip converts light into microwaves</span> </a></h3> <div class="nist-teaser__type"> <div class="string">Electronics Weekly</div> </div> <div class="nist-teaser__date"> <div class="datetime"><time datetime="2024-03-13T12:00:00Z">March 13, 2024</time> </div> </div> </header> <div class="nist-teaser__content"> <div class="text-with-summary"> The chips reduce timing jitter to 15 femtoseconds making the signals more stable and precise in ways that could increase radar sensitivity, the accuracy of ADCs </div> </div> </div> </article> </div> <div> <article about="/press-coverage/tiny-chip-could-turn-light-microwaves" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20240401113328/https://www.nist.gov/press-coverage/tiny-chip-could-turn-light-microwaves" hreflang="en"><img loading="lazy" src="/web/20240401113328im_/https://www.nist.gov/sites/default/files/styles/thumbnail/public/images/2024/03/05/Best1.jpg?itok=mqbug8Jd" width="100" height="56" alt="Chip that converts lights into microwave signals. The chip is a fluorescent panel that looks like two tiny vinyl records. A gold box sits to the left of the chip, which is the semiconductor laser." typeof="foaf:Image"/> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20240401113328/https://www.nist.gov/press-coverage/tiny-chip-could-turn-light-microwaves"><span>This tiny chip could turn light into microwaves</span> </a></h3> <div class="nist-teaser__type"> <div class="string">Knowridge</div> </div> <div class="nist-teaser__date"> <div class="datetime"><time datetime="2024-03-07T12:00:00Z">March 7, 2024</time> </div> </div> </header> <div class="nist-teaser__content"> <div class="text-with-summary"> In a big leap for technology, a group of scientists from the National Institute of Standards and Technology (NIST) and their partners have developed a small </div> </div> </div> </article> </div> <div> <article about="/press-coverage/new-light-microwave-converting-tech-could-revolutionize-gps-radars" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20240401113328/https://www.nist.gov/press-coverage/new-light-microwave-converting-tech-could-revolutionize-gps-radars" hreflang="en"><img loading="lazy" src="/web/20240401113328im_/https://www.nist.gov/sites/default/files/styles/thumbnail/public/images/2024/03/05/Best1.jpg?itok=mqbug8Jd" width="100" height="56" alt="Chip that converts lights into microwave signals. The chip is a fluorescent panel that looks like two tiny vinyl records. A gold box sits to the left of the chip, which is the semiconductor laser." typeof="foaf:Image"/> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20240401113328/https://www.nist.gov/press-coverage/new-light-microwave-converting-tech-could-revolutionize-gps-radars"><span>New light-to-microwave converting tech could revolutionize GPS, radars</span> </a></h3> <div class="nist-teaser__type"> <div class="string">Interesting Engineering</div> </div> <div class="nist-teaser__date"> <div class="datetime"><time datetime="2024-03-07T12:00:00Z">March 7, 2024</time> </div> </div> </header> <div class="nist-teaser__content"> <div class="text-with-summary"> The new microchip effectively shrinks a tabletop’s worth of components, making it energy efficient and practical for everyday use. </div> </div> </div> </article> </div> <div> <article about="/press-coverage/revolutionary-chip-technology-ushers-new-era-precision-timing-gps-and-communication" class="nist-teaser"> <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/web/20240401113328/https://www.nist.gov/press-coverage/revolutionary-chip-technology-ushers-new-era-precision-timing-gps-and-communication" hreflang="en"><img loading="lazy" src="/web/20240401113328im_/https://www.nist.gov/sites/default/files/styles/thumbnail/public/images/2024/03/05/Best1.jpg?itok=mqbug8Jd" width="100" height="56" alt="Chip that converts lights into microwave signals. The chip is a fluorescent panel that looks like two tiny vinyl records. A gold box sits to the left of the chip, which is the semiconductor laser." typeof="foaf:Image"/> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20240401113328/https://www.nist.gov/press-coverage/revolutionary-chip-technology-ushers-new-era-precision-timing-gps-and-communication"><span>Revolutionary Chip Technology Ushers in a New Era of Precision Timing for GPS and Communication Systems</span> </a></h3> <div class="nist-teaser__type"> <div class="string">Medriva</div> </div> <div class="nist-teaser__date"> <div class="datetime"><time datetime="2024-03-06T12:00:00Z">March 6, 2024</time> </div> </div> </header> <div class="nist-teaser__content"> <div class="text-with-summary"> In a world that moves at the speed of light, the ability to keep precise time is more than a luxury—it's a necessity. Imagine a future where GPS systems guide </div> </div> </div> </article> </div> </div> </div> </div> </div> </div> <div class="paragraph paragraph--type--dynamic-content-list-ou paragraph--view-mode--default"> <div class="nist-block "> <h2 class="nist-block__title"> <div class="string">Patents</div> </h2> <div class="viewsreference"><div class="views-element-container"><div class="js-view-dom-id-4f4a7bfec9041987c246083e070217e755092b4765ffea296a542a19eb07accf"> <div> <article about="/patents/sound-pressure-metrology-instrument-and-determining-sound-pressure-index-refraction" class="nist-teaser"> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20240401113328/https://www.nist.gov/patents/sound-pressure-metrology-instrument-and-determining-sound-pressure-index-refraction"><span>Sound Pressure Metrology Instrument And Determining Sound Pressure From Index Of Refraction</span> </a></h3> <div class="nist-teaser__type"> <div class="nist-field nist-field--label-inline"> <div class="nist-field__label">NIST Inventors</div> Richard A. Allen , Randall P Wagner , Benjamin Reschovsky and Akobuije Chijioke </div> </div> </header> <div class="nist-teaser__content"> <div class="text-long"> A sound pressure metrology instrument determines sound pressure from index of refraction and includes: a light source that produces source light; the optical cavity that: receives an acoustic field from the sound source; receives the source light from the light source; produces acoustic-modified </div> </div> </div> </article> </div> <div> <article about="/patents/spatio-temporal-prolifometer-and-performing-time-resolved-spatial-prolifometry-producing" class="nist-teaser"> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20240401113328/https://www.nist.gov/patents/spatio-temporal-prolifometer-and-performing-time-resolved-spatial-prolifometry-producing"><span>Spatio-Temporal Prolifometer And Performing Time-Resolved Spatial Prolifometry For Producing A Uniform Light Profile</span> </a></h3> <div class="nist-teaser__type"> <div class="nist-field nist-field--label-inline"> <div class="nist-field__label">NIST Inventors</div> Paul Patrone , Gregory A Cooksey and Matthew DiSalvo </div> </div> </header> <div class="nist-teaser__content"> <div class="text-long"> A spatio-temporal profilometer performs time-resolved spatial profilometry and includes a substrate, a tapered optical collimator waveguide, a fluid channel, and a light-fluid interaction volume. The tapered optical collimator waveguide receives diverging light, internally reflects it, and </div> </div> </div> </article> </div> <div> <article about="/patents/system-and-mathod-parameter-multiplexed-gradient-descent" class="nist-teaser"> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20240401113328/https://www.nist.gov/patents/system-and-mathod-parameter-multiplexed-gradient-descent"><span>System And Mathod For Parameter Multiplexed Gradient Descent</span> </a></h3> <div class="nist-teaser__type"> <div class="nist-field nist-field--label-inline"> <div class="nist-field__label">NIST Inventors</div> Adam McCaughan , Sonia Buckley and Andrew Dienstfrey </div> </div> </header> <div class="nist-teaser__content"> <div class="text-long"> Embodiments of the present invention relate to systems and model-free methods for perturbing neural network hardware parameters and measure the neural network response that are implemented natively within the neural network hardware and without requiring a knowledge of the internal structure of the </div> </div> </div> </article> </div> <div> <article about="/patents/mueller-matrix-ellipsometer" class="nist-teaser"> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/web/20240401113328/https://www.nist.gov/patents/mueller-matrix-ellipsometer"><span>Mueller Matrix Ellipsometer</span> </a></h3> <div class="nist-teaser__type"> <div class="nist-field nist-field--label-inline"> <div class="nist-field__label">NIST Inventors</div> Thomas A. Germer </div> </div> </header> <div class="nist-teaser__content"> <div class="text-long"> Embodiments of the present invention relate to an ellipsometer that includes a combination of a plurality of reflective devices to measure a Mueller matrix reflectance of a material in the VUV and EUV region. Ellipsometer in accordance with embodiments of the present invention relate to an </div> </div> </div> </article> </div> <footer> <div class="link-list"><a href="https://web.archive.org/web/20240401113328/https://www.nist.gov/patents/org/5651">View All Patents</a></div> </footer> </div> </div> </div> </div> </div> </div> </div> </div> </div> <div class="grid-container"> <div class="nist-page__region nist-page__region--content-bottom"> <div class="nist-block nist-block--contact"> <h2 class="nist-block__title">Contacts</h2> <div class="nist-contact"> <h3 class="nist-contact__heading">PML Director and Deputy Director</h3> <ul class="nist-contact__items"> <li about="/people/james-g-kushmerick" class="nist-contact__item"> <div class="nist-contact__name"><a href="/web/20240401113328/https://www.nist.gov/people/james-g-kushmerick" title="View staff profile page">James G. 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