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Part of Brookhaven National Lab's Advanced Technology Research Office.</div> <div id="doeLogoContainer"> <a id="doeLogoLink" title="DOE Office of Science" href="http://science.energy.gov/"> <img class="DOElogo black" title="DOE Office of Science" src="/assets/global/images/logo-doe-black-200px.png" /> <img class="DOElogo white" title="DOE Office of Science" src="/assets/global/images/logo-doe-white-500px.png" /> </a> </div> </div> </div> </div> <div class="container_24" id="siteMenuContainer"> <div class="grid_24"> <ul id="siteMenu"> <li><a href="https://www.bnl.gov/instrumentation/">Home</a> <li> <a href="#">Sensors</a> <ul> <li><a href="https://www.bnl.gov/instrumentation/sensors/">Overview</a> <li><a href="https://www.bnl.gov/instrumentation/sensors/silicon-sensors.php">Silicon</a> <li><a href="https://www.bnl.gov/instrumentation/sensors/germanium.php">Germanium</a></li> <li><a href="https://www.bnl.gov/instrumentation/sensors/diamond.php">Diamond</a></li> <li><a href="https://www.bnl.gov/instrumentation/sensors/semiconductor-detectors.php">Room-temp. 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Semiconductors</a>  <li><a href="noble-liquid-gas.php" >Noble Liquids and Gases</a> <li><a href="liquid-scintillators.php" >Liquid Scintillators</a> </ul> </div> <div class="grid_15 suffix_1" style="margin-bottom:2em;"> <h2>Diamond Detectors</h2> <p class="font-plus-2">For more than a decade, the Instrumentation Department has been developing high-performance diamond radiation detectors for a variety of applications, including proton beam flux monitoring and synchrotron x-ray imaging. The radiation hardness of diamond makes the detectors adept at measuring protons, alpha particles, and other charged particles for applications in medicine and nuclear nonproliferation. Because of diamond’s high charge-carrier saturation velocity, these detectors are also ideal for ultrafast (picosecond) detection in intense radiation environments. </p> <h3>Our Capabilities</h3> <ul> <li>Fabrication of a range of diamond sizes, from standard (4.5 × 4.5 mm with a 20–500 μm thickness) to thin (5–10 μm) </li> <li>Demonstration of detectors with linearity-of-flux measurements over 11 orders of magnitude and a sub-picoampere leakage current </li> <li>Deposition of different metals via thermal processing, electron-beam evaporation, or sputtering </li> <li>Generation of ultra-nanocrystalline diamond (UNCD) electrical contacts via patterning </li> <li>Application of capabilities in our in-house High-Density Interconnect Laboratory (HDIL), printed circuit board design facility, and sensor packaging machining facility</li> </ul> </div> <div class="grid_8"> <div class="sidebar"> <img alt="photo of diamond imaging detector" src="../images/sensors/diamond-detector.jpg" /> <p>A 32×32-channel transparent diamond imaging detector that allows for video-rate flux-calibrated imaging of x-ray beams. </p> </div> </div> </div> <div class="caseStudies"> <div class="container_24"> <div class="grid_24"> <h2>Case Studies</h2> </div> <div class="grid_10"> <h3>Synchrotron Beam Position Monitors</h3> <p>Diamond x-ray beam position monitors installed at Brookhaven’s National Synchrotron Light Source II (NSLS-II), Argonne’s Advanced Photon Source, the Cornell High Energy Synchrotron Source (CHESS), and other synchrotrons around the world have a position resolution of 0.1% of the beam size down to <50 nm and are suitable for x-ray energies of 4keV and higher. Using the unique assembly and wire bonding capabilities of HDIL, we designed detectors to allow for novel nonmetallic contact materials such as UNCD, small contact geometries, and high-current devices. The UNCD contacts share many of the advantageous characteristics of the underlying diamond, such as radiation hardness and high transmission, and do not introduce x-ray absorption lines, which are undesirable for most spectroscopy experiments. </p> </div> <div class="grid_8"> <h3>Real-time Beam Measurements</h3> <p>CHESS and NSLS-II have deployed transmission-mode diamond x-ray imaging detectors (60-micron pixel size) for real-time measurements of beam shape, position, and flux. For these detectors, we developed the electronics and diamond sensor, which takes advantage of the high dynamic range of diamond’s x-ray linearity. </p> </div>  </div> </div> </div> <div id="topOfPage"><span class="fa fa-chevron-circle-up fa-lg topOfPageTrigger"></span></div> <div class="footer" id="footer" > <div class="container_24"> <div class="grid_6"> <h3 id="BNL">Brookhaven National Laboratory</h3> <p>PO Box 5000<br/> Upton, NY 11973-5000<br/> (631) 344-8000</p> <p><a id="contactUs" class="extrasmall white button" href="https://www.bnl.gov/contact-us/">Contact us</a></p> <ul class="socialMediaIcons"> <li><a target="_blank" href="https://twitter.com/BrookhavenLab" title="Follow Us on 𝕏"><i class="fa-brands fa-square-x-twitter fa-2x"></i></a> <li><a target="_blank" href="https://www.facebook.com/brookhavenlab" title="Follow Us on Facebook"><span class="fa fa-facebook-square fa-2x"></span></a> <li><a target="_blank" href="https://www.instagram.com/brookhavenlab/" title="Follow Us on Instagram"><span class="fa fa-instagram fa-2x"></span></a> <li><a target="_blank" href="https://www.linkedin.com/company/brookhavenlab/" title="Follow Us on LinkedIn"><span class="fa fa-linkedin-square fa-2x"></span></a> <li><a target="_blank" href="https://www.youtube.com/BrookhavenLab" title="Follow Us on YouTube"><span class="fa fa-youtube-square fa-2x"></span></a> <li><a target="_blank" href="http://www.flickr.com/brookhavenlab/" title="Follow Us on Flickr"><span class="fa fa-flickr fa-2x"></span></a> </ul> </div> <div class="grid_3"> <ul class="linkList2"> <li><a href="https://www.bnl.gov/science/">Our Science</a></li> <li><a href="https://www.bnl.gov/about/">About</a></li> <li><a href="https://www.bnl.gov/about/history/">History</a></li> <li><a href="https://www.bnl.gov/about/org/">Leadership</a></li> <li><a href="https://www.bnl.gov/visiting/">Visiting the Lab</a></li> <li><a href="https://www.bnl.gov/siteindex/">Site Index</a></li> <li><a href="https://www.bnl.gov/directory/">Staff Directory</a></li> </ul> </div> <div class="grid_3"> <ul class="linkList2"> <li><a target="_blank" href="https://jobs.bnl.gov/">Careers</a></li> <li><a href="https://www.bnl.gov/science/facilities.php">Facilities</a></li> <li><a href="https://www.bnl.gov/guv/">Guest Center</a></li> <li><a href="https://www.bnl.gov/partner/">Partnerships</a></li> <li><a href="https://www.bnl.gov/ppm/">For Vendors</a></li> <li><a id="deptLink" href="javascript:void(0);">Departments</a></li> <li><a href="https://www.bnl.gov/visiting/events/">Public Events</a></li> </ul> </div> <div class="grid_4"> <ul class="linkList2 lastList"> <li><a href="https://www.bnl.gov/diversity/">Diversity, Equity & Inclusion</a></li> <li><a href="https://www.bnl.gov/techtransfer/">Technology Licensing</a></li> <li><a href="https://www.bnl.gov/externalaffairs/">Stakeholder Relations</a></li> <li><a href="https://www.bnl.gov/education/">Students & Educators</a></li> <li><a href="https://www.bnl.gov/about/sustainability/">Sustainability</a></li> <li><a href="https://www.bnl.gov/privacy/">Privacy and Security Notice</a></li> <li><a target="_blank" href="https://doe.responsibledisclosure.com/hc/en-us">Vulnerability Disclosure Program</a></li> </ul> </div> <div class="grid_7 prefix_1"> <h3 id="BSA">Brookhaven Science Associates</h3> <p>Brookhaven Science Associates manages and operates Brookhaven National Laboratory on behalf of the U.S. Department of Energy's Office of Science. 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