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Optics & Photonics News - Image of the Week

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by OPN readers</p> <section id="image-gallery-container"> <div> <div class="card card--gallery"> <div class="card_imagebox"> <img id="image0" class="card_image" src="https://opnmedia.blob.core.windows.net/$web/opn/media/images/imageoftheweek/2024/24-11-22.jpg?ext=.jpg" alt="Fiber Speckle Pattern"> </div> <div class="card_textbox p-1"> <h5 class="card_title"> <a data-toggle="modal" data-target="#gallery-modal" data-name="Fiber Speckle Pattern" data-image-id="#image0" data-image-link="/home/gallery/image_of_the_week/2024/1124/fiber_speckle_pattern/" data-text="Red laser light from the end-facet of a short sample of multimode polymer optical fiber was inspected on a black screen. The web pattern disappeared when optimizing the laser input coupling, with speckles from the expected guided modes available for further study, here seen in overlay.&amp;nbsp;&amp;nbsp; &amp;nbsp;" data-owner="Dirk Voigt, Leiden, Netherlands" data-owner-affiliate="" class="packery_modal-toggle text-primary js-modal-toggle"> Fiber Speckle Pattern </a> </h5> Red laser light from the end-facet of a short sample of multimode polymer optical fiber was inspected on a black screen. The web pattern disappeared when optimizing the laser input coupling, with speckles from the expected guided modes available for further study, here seen in overlay.&nbsp;&nbsp; &nbsp; <br> <p> <br> <em> &mdash;Dirk Voigt, Leiden, Netherlands </em> </p> <p> <small>22 Nov 2024</small> </p> </div> </div> </div> <div class="card-columns mt-1"> <div> <div class="card card--gallery"> <div class="card_imagebox"> <img id="image1" class="card_image" src="https://opnmedia.blob.core.windows.net/$web/opn/media/images/imageoftheweek/2024/24-11-15a.jpg?ext=.jpg" alt="Smartphone Diffraction"> </div> <div class="card_textbox p-1"> <h5 class="card_title"> <a data-toggle="modal" data-target="#gallery-modal" data-name="Smartphone Diffraction" data-image-id="#image1" data-image-link="/home/gallery/image_of_the_week/2024/1124/smartphone_diffraction/" data-text="An incandescent light bulb illuminating a smartphone screen creates a colorful diffraction pattern due to the pixelated nature of the screen." data-owner="Alok Kumar Pandey, Imagine Optic, Orsay, France" data-owner-affiliate="" class="packery_modal-toggle text-primary js-modal-toggle"> Smartphone Diffraction </a> </h5> An incandescent light bulb illuminating a smartphone screen creates a colorful diffraction pattern due to the pixelated nature of the screen. <br> <p> <br> <em> &mdash;Alok Kumar Pandey, Imagine Optic, Orsay, France </em> </p> <p> <small>15 Nov 2024</small> </p> </div> </div> </div> <div> <div class="card card--gallery"> <div class="card_imagebox"> <img id="image2" class="card_image" src="https://opnmedia.blob.core.windows.net/$web/opn/media/images/imageoftheweek/2024/24-11-08.jpg?ext=.jpg" alt="Soap Bubble Interference&#xA0;&#xA0;"> </div> <div class="card_textbox p-1"> <h5 class="card_title"> <a data-toggle="modal" data-target="#gallery-modal" data-name="Soap Bubble Interference&#xA0;&#xA0;" data-image-id="#image2" data-image-link="/home/gallery/image_of_the_week/2024/1124/soap_bubble_interference/" data-text="Image of soap bubbles on a finger exhibiting thin film interference from a backlight. There also is a top light to provide better light coverage. Photo taken with a Fujifilm X-T5 using a Fujinon 30 mm macro lens and processed with Adobe Lightroom. [Thanks to Mehmet B&#xFC;t&#xFC;n for providing ideas for the photo.]&amp;nbsp;" data-owner="Berke K&#xF6;ker, Bilkent University, Ankara, Turkey" data-owner-affiliate="" class="packery_modal-toggle text-primary js-modal-toggle"> Soap Bubble Interference&#xA0;&#xA0; </a> </h5> Image of soap bubbles on a finger exhibiting thin film interference from a backlight. There also is a top light to provide better light coverage. Photo taken with a Fujifilm X-T5 using a Fujinon 30 mm macro lens and processed with Adobe Lightroom. [Thanks to Mehmet Bütün for providing ideas for the photo.]&nbsp; <br> <p> <br> <em> &mdash;Berke K&#xF6;ker, Bilkent University, Ankara, Turkey </em> </p> <p> <small>08 Nov 2024</small> </p> </div> </div> </div> <div> <div class="card card--gallery"> <div class="card_imagebox"> <img id="image3" class="card_image" src="https://opnmedia.blob.core.windows.net/$web/opn/media/images/imageoftheweek/2024/24-11-01.jpg?ext=.jpg" alt="Fractals of Light&#xA0;"> </div> <div class="card_textbox p-1"> <h5 class="card_title"> <a data-toggle="modal" data-target="#gallery-modal" data-name="Fractals of Light&#xA0;" data-image-id="#image3" data-image-link="/home/gallery/image_of_the_week/2024/1124/fractals_of_light/" data-text="Chaotic scattering of light from a system made of four silvered spheres stacked like cannonballs to form a pyramid, inspired by E. Ott et al. Nature 399, 315 (1999)." data-owner="Andrea Aiello, Max Planck Institute for the Science of Light, Erlangen, Germany" data-owner-affiliate="" class="packery_modal-toggle text-primary js-modal-toggle"> Fractals of Light&#xA0; </a> </h5> Chaotic scattering of light from a system made of four silvered spheres stacked like cannonballs to form a pyramid, inspired by E. Ott et al. Nature 399, 315 (1999). <br> <p> <br> <em> &mdash;Andrea Aiello, Max Planck Institute for the Science of Light, Erlangen, Germany </em> </p> <p> <small>01 Nov 2024</small> </p> </div> </div> </div> <div> <div class="card card--gallery"> <div class="card_imagebox"> <img id="image4" class="card_image" src="https://opnmedia.blob.core.windows.net/$web/opn/media/images/imageoftheweek/2024/24-10-25.jpg?ext=.jpg" alt="Additive Color"> </div> <div class="card_textbox p-1"> <h5 class="card_title"> <a data-toggle="modal" data-target="#gallery-modal" data-name="Additive Color" data-image-id="#image4" data-image-link="/home/gallery/image_of_the_week/2024/1024/additive_color/" data-text="Focused red, green and blue lasers visualised using graphite powder. The intersection of the beams appears white due to additive color mixing.&amp;nbsp;" data-owner="Anatolii Kashchuk, Ukraine, Wiki Science Competition 2021; CC-BY-4.0" data-owner-affiliate="" class="packery_modal-toggle text-primary js-modal-toggle"> Additive Color </a> </h5> Focused red, green and blue lasers visualised using graphite powder. The intersection of the beams appears white due to additive color mixing.&nbsp; <br> <p> <br> <em> &mdash;Anatolii Kashchuk, Ukraine, Wiki Science Competition 2021; CC-BY-4.0 </em> </p> <p> <small>25 Oct 2024</small> </p> </div> </div> </div> <div> <div class="card card--gallery"> <div class="card_imagebox"> <img id="image5" class="card_image" src="https://opnmedia.blob.core.windows.net/$web/opn/media/images/imageoftheweek/2024/24-10-18.jpg?ext=.jpg" alt="Aurora Borealis&#xA0;"> </div> <div class="card_textbox p-1"> <h5 class="card_title"> <a data-toggle="modal" data-target="#gallery-modal" data-name="Aurora Borealis&#xA0;" data-image-id="#image5" data-image-link="/home/gallery/image_of_the_week/2024/1024/aurora_borealis/" data-text="The aurora&amp;nbsp;visible from southern Oregon, USA. The pole star Polaris can be seen just above the rays pointing toward it." data-owner="Robert Schalck, Senior Member (Emeritus), North Bend, OR, USA" data-owner-affiliate="" class="packery_modal-toggle text-primary js-modal-toggle"> Aurora Borealis&#xA0; </a> </h5> The aurora&nbsp;visible from southern Oregon, USA. The pole star Polaris can be seen just above the rays pointing toward it. <br> <p> <br> <em> &mdash;Robert Schalck, Senior Member (Emeritus), North Bend, OR, USA </em> </p> <p> <small>18 Oct 2024</small> </p> </div> </div> </div> <div> <div class="card card--gallery"> <div class="card_imagebox"> <img id="image6" class="card_image" src="https://opnmedia.blob.core.windows.net/$web/opn/media/images/imageoftheweek/2024/24-10-11.jpg?ext=.jpg" alt="Liquid Crystal Droplets"> </div> <div class="card_textbox p-1"> <h5 class="card_title"> <a data-toggle="modal" data-target="#gallery-modal" data-name="Liquid Crystal Droplets" data-image-id="#image6" data-image-link="/home/gallery/image_of_the_week/2024/1024/liquid_crystal_droplets/" data-text="In a monodispersed liquid crystal (LC) microemulsion, LCs surrounded by an immiscible medium form a spherical shape due to surface tension.&amp;nbsp;" data-owner="Ramesh Manda, University of Hyderabad, India" data-owner-affiliate="" class="packery_modal-toggle text-primary js-modal-toggle"> Liquid Crystal Droplets </a> </h5> In a monodispersed liquid crystal (LC) microemulsion, LCs surrounded by an immiscible medium form a spherical shape due to surface tension.&nbsp; <br> <p> <br> <em> &mdash;Ramesh Manda, University of Hyderabad, India </em> </p> <p> <small>11 Oct 2024</small> </p> </div> </div> </div> <div> <div class="card card--gallery"> <div class="card_imagebox"> <img id="image7" class="card_image" src="https://opnmedia.blob.core.windows.net/$web/opn/media/images/imageoftheweek/2024/24-10-04.jpg?ext=.jpg" alt="Light in Sweet Media"> </div> <div class="card_textbox p-1"> <h5 class="card_title"> <a data-toggle="modal" data-target="#gallery-modal" data-name="Light in Sweet Media" data-image-id="#image7" data-image-link="/home/gallery/image_of_the_week/2024/1024/light_in_sweet_media/" data-text="Reflections of light from white LED strips on the shiny surface of caramelized strawberries. In an experiment, the reflections were analyzed using the principles of M&#xF6;bius transformations." data-owner="&#xA0;Alberto Tufaile, Soft Matter Lab, EACH, Universidade de S&#xE3;o Paulo, S&#xE3;o Paulo, Brazil" data-owner-affiliate="" class="packery_modal-toggle text-primary js-modal-toggle"> Light in Sweet Media </a> </h5> Reflections of light from white LED strips on the shiny surface of caramelized strawberries. In an experiment, the reflections were analyzed using the principles of Möbius transformations. <br> <p> <br> <em> &mdash;&#xA0;Alberto Tufaile, Soft Matter Lab, EACH, Universidade de S&#xE3;o Paulo, S&#xE3;o Paulo, Brazil </em> </p> <p> <small>04 Oct 2024</small> </p> </div> </div> </div> <div> <div class="card card--gallery"> <div class="card_imagebox"> <img id="image8" class="card_image" src="https://opnmedia.blob.core.windows.net/$web/opn/media/images/imageoftheweek/2024/24-09-27.jpg?ext=.jpg" alt="Green Tunnel"> </div> <div class="card_textbox p-1"> <h5 class="card_title"> <a data-toggle="modal" data-target="#gallery-modal" data-name="Green Tunnel" data-image-id="#image8" data-image-link="/home/gallery/image_of_the_week/2024/0924/green_tunnel/" data-text="Scattering produced by a 520-nm laser projected onto a 3D-printed cylinder creates a green tunnel that illuminates the printing layers. Image taken with a Nikon 5100, f/4.5, ISO 320." data-owner="&#xA0;Baruc Zago Mazzocco, Instituto Nacional de Astrof&#xED;sica &#xD3;ptica y Electr&#xF3;nica, Puebla, Mexico" data-owner-affiliate="" class="packery_modal-toggle text-primary js-modal-toggle"> Green Tunnel </a> </h5> Scattering produced by a 520-nm laser projected onto a 3D-printed cylinder creates a green tunnel that illuminates the printing layers. Image taken with a Nikon 5100, f/4.5, ISO 320. <br> <p> <br> <em> &mdash;&#xA0;Baruc Zago Mazzocco, Instituto Nacional de Astrof&#xED;sica &#xD3;ptica y Electr&#xF3;nica, Puebla, Mexico </em> </p> <p> <small>27 Sep 2024</small> </p> </div> </div> </div> <div> <div class="card card--gallery"> <div class="card_imagebox"> <img id="image9" class="card_image" src="https://opnmedia.blob.core.windows.net/$web/opn/media/images/imageoftheweek/2024/24-09-20.jpg?ext=.jpg" alt="Chemical Flowers"> </div> <div class="card_textbox p-1"> <h5 class="card_title"> <a data-toggle="modal" data-target="#gallery-modal" data-name="Chemical Flowers" data-image-id="#image9" data-image-link="/home/gallery/image_of_the_week/2024/0924/chemical_art/" data-text="This photomicrograph reveals a floral-like pattern formed by absorption around a central nucleation point in a crystallizing chemical film. The observed colors arise from variations in the orientation and thickness of the crystal grains as viewed through crossed-polarizers and a wave plate. The intricate structure results from molecular charges." data-owner="Karl Gaff, Art of Science Photography, Dublin, Ireland" data-owner-affiliate="" class="packery_modal-toggle text-primary js-modal-toggle"> Chemical Flowers </a> </h5> This photomicrograph reveals a floral-like pattern formed by absorption around a central nucleation point in a crystallizing chemical film. The observed colors arise from variations in the orientation and thickness of the crystal grains as viewed through crossed-polarizers and a wave plate. The intricate structure results from molecular charges. <br> <p> <br> <em> &mdash;Karl Gaff, Art of Science Photography, Dublin, Ireland </em> </p> <p> <small>20 Sep 2024</small> </p> </div> </div> </div> </div> <div id="loadmore1"><div class="text-center mb-3"><a class="btn btn-primary text-white" data-ajax="true" data-ajax-mode="replace" data-ajax-success="var queryParams = new URLSearchParams(window.location.search); queryParams.set(&quot;pageNumber&quot;, &quot;2&quot;); history.replaceState(null, null, &quot;?&quot;&#x2B;queryParams.toString());" data-ajax-update="#loadmore1" data-ajax-url="/ViewComponent/ImageGallery?PageNumber=2&amp;PageSize=10&amp;ParentPath=/Home/Gallery/Image_of_the_Week">Load More</a></div></div> <div aria-hidden="true" class="modal fade" id="gallery-modal" role="dialog" tabindex="-1"> <div class="modal-dialog modal-lg"> <div class="modal-content"> <div class="modal-header"> <button aria-label="Close" class="close" data-dismiss="modal" type="button"> <span aria-hidden="true">&times;</span> </button> <h4 class="modal-title" id="modal-image-title">Image Title</h4> </div> <div> <img alt="" class="modal-image" id="image-target" src="/opn/media/Images/ImageOfTheWeek/15-01-26.jpg?width=1024&amp;height=768&amp;ext=.jpg"/> </div> <div class="modal-body"> <p class="modal-text" id="image-description">Image Description</p> <p class="modal-text"> <em id="image-credit">Image Credit</em> </p> </div> <div class="modal-footer"> <div class="modal-share"> <ul class="list-inline list-unstyled"> <li> <strong>Share:</strong> </li> <li> <a class="twitter-link" href="https://twitter.com/home?status=https%3A%2F%2Fwww.optica-opn.org%2Fgallery%2F" target="_blank" title="Share on Twitter"><i class="fab fa-twitter">&nbsp;</i> Share on Twitter</a> </li> <li> <a class="facebook-link" href="https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.optica-opn.org%2Fgallery%2F" target="_blank" title="Share on Facebook"><i class="fab fa-facebook">&nbsp;</i> Share on Facebook</a> </li> <li> <a class="instagram-link" href="https://www.instagram.com/optica.worldwide/" target="_blank"><i class="fab fa-instagram"></i> Visit our Instagram</a> </li> </ul> </div> </div> </div> </div> </div> </section> </article> <aside id="ArticleOnlySidebar" class="col-md-4"> <div class="card bg-light mb-1"> <div class="card-body"> <h6>Send us your Best! 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