{"id":21,"date":"2022-02-01T15:33:09","date_gmt":"2022-02-01T15:33:09","guid":{"rendered":"https:\/\/www.photonics.fi\/opd2022\/?page_id=21"},"modified":"2026-04-17T08:16:18","modified_gmt":"2026-04-17T08:16:18","slug":"optics-and-photonics-days-2022","status":"publish","type":"page","link":"https:\/\/www.photonics.fi\/opd2026\/","title":{"rendered":"Optics and Photonics Days 2026"},"content":{"rendered":"\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1080\" data-id=\"3672\" src=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2026\/04\/OPD2026-Linkedin-Esitys-7.jpg\" alt=\"\" class=\"wp-image-3672\" srcset=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2026\/04\/OPD2026-Linkedin-Esitys-7.jpg 1920w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2026\/04\/OPD2026-Linkedin-Esitys-7-300x169.jpg 300w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2026\/04\/OPD2026-Linkedin-Esitys-7-1024x576.jpg 1024w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2026\/04\/OPD2026-Linkedin-Esitys-7-768x432.jpg 768w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2026\/04\/OPD2026-Linkedin-Esitys-7-1536x864.jpg 1536w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><\/figure>\n<\/figure>\n\n\n\n<p class=\"has-medium-font-size\">Optics and Photonics Days (OPD) is an annual central event in Optics and Photonics in Finland and the largest yearly Photonics event in the Nordics.<\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>OPD2026 will be held at <a href=\"https:\/\/www.paviljonki.fi\/en\/visitors\/\" target=\"_blank\" rel=\"noreferrer noopener\">Paviljonki<\/a> 26. \u2013 28. May 2026, Jyv\u00e4skyl\u00e4, Finland.<\/strong><\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link has-white-color has-vivid-cyan-blue-to-vivid-purple-gradient-background has-text-color has-background has-link-color has-text-align-center wp-element-button\" href=\"https:\/\/www.conftool.com\/opd2026\/\" target=\"_blank\" rel=\"noreferrer noopener\">Register for OPD2026<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-medium-font-size\">OPD offers an unique opportunity to learn from interesting presentations from Academy and Industry program running in parallel, network with companies, students and researchers in the field of photonics and optics, but also to explore products and services at OPD Exhibition&nbsp;that is held during the conference.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Also there is&nbsp;a lot of additional activities such as Networking Dinner, Job Fair,&nbsp;Student meeting, PREIN Annual Event, Photonics Finland annual meeting, Panel discussions, Media event and also Poster- and Pitch sessions.<\/p>\n\n\n\n<div style=\"height:32px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-vivid-cyan-blue-to-vivid-purple-gradient-background has-text-color has-background has-text-align-center wp-element-button\" href=\"https:\/\/youtu.be\/B8EZueyZuxQ\" target=\"_blank\" rel=\"noreferrer noopener\">Watch OPD video<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-vivid-cyan-blue-to-vivid-purple-gradient-background has-text-color has-background wp-element-button\" href=\"https:\/\/youtu.be\/FIoWuyOcqew\" target=\"_blank\" rel=\"noreferrer noopener\">See what others think about OPD<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-vivid-cyan-blue-to-vivid-purple-gradient-background has-text-color has-background wp-element-button\" href=\"https:\/\/www.photonics.fi\/2025\/06\/19\/optics-and-photonics-days-2025-a-celebration-of-collaboration-innovation-and-community\/\" target=\"_blank\" rel=\"noreferrer noopener\">OPD2025 in numbers<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:31px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Sponsors for OPD2026<\/h2>\n\n\n\n<p>Maximize your visibility at OPD2026 by becoming a Gold or Silver Sponsor.<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/www.northlab.se\/\" target=\"_blank\" rel=\"noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" class=\"wp-image-3462\" style=\"width: 150px;\" src=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2026\/03\/NorthLabPhotonics-thumb-taustalla.jpg\" alt=\"\" srcset=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2026\/03\/NorthLabPhotonics-thumb-taustalla.jpg 250w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2026\/03\/NorthLabPhotonics-thumb-taustalla-150x150.jpg 150w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/www.photonics.fi\/members\/cheos\/\" target=\"_blank\" rel=\"noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" class=\"wp-image-686\" style=\"width: 150px;\" src=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2022\/06\/Cheos-thumb.jpg\" alt=\"\" srcset=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2022\/06\/Cheos-thumb.jpg 250w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2022\/06\/Cheos-thumb-150x150.jpg 150w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a><\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Official OPD2026 Gold Sponsor is <a href=\"https:\/\/www.northlab.se\/\" target=\"_blank\" rel=\"noreferrer noopener\">NorthLab Photonics AB<\/a> and <a href=\"https:\/\/www.photonics.fi\/members\/cheos\/\" target=\"_blank\" rel=\"noreferrer noopener\">Cheos<\/a>.<\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/www.photonics.fi\/members\/thorlabs\/\" target=\"_blank\" rel=\"noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" class=\"wp-image-2569\" style=\"width: 150px;\" src=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/03\/Thorlabs-thumb.jpg\" alt=\"\" srcset=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/03\/Thorlabs-thumb.jpg 250w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/03\/Thorlabs-thumb-150x150.jpg 150w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/www.ci-systems.com\/Home\" target=\"_blank\" rel=\"noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" class=\"wp-image-3231\" style=\"width: 150px;\" src=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/10\/Ci-Systems-thumb.jpg\" alt=\"\" srcset=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/10\/Ci-Systems-thumb.jpg 250w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/10\/Ci-Systems-thumb-150x150.jpg 150w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/www.photonics.fi\/members\/kimmy-photonics\/\" target=\"_blank\" rel=\"noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" class=\"wp-image-2328\" style=\"width: 150px;\" src=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2024\/11\/KimmyPhotonics-thumb.jpg\" alt=\"\" srcset=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2024\/11\/KimmyPhotonics-thumb.jpg 250w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2024\/11\/KimmyPhotonics-thumb-150x150.jpg 150w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a><\/td><td class=\"has-text-align-center\" data-align=\"center\"><a href=\"https:\/\/www.oceanoptics.com\/\" target=\"_blank\" rel=\"noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" class=\"wp-image-3375\" style=\"width: 150px;\" src=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2026\/02\/OceanOptics-thumb.jpg\" alt=\"\" srcset=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2026\/02\/OceanOptics-thumb.jpg 250w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2026\/02\/OceanOptics-thumb-150x150.jpg 150w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a><\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Official OPD2026 Silver Sponsors are <a href=\"https:\/\/www.photonics.fi\/members\/thorlabs\/\" target=\"_blank\" rel=\"noreferrer noopener\">Thorlabs<\/a>, <a href=\"https:\/\/www.ci-systems.com\/Home\" target=\"_blank\" rel=\"noreferrer noopener\">Ci Systems<\/a>, <a href=\"https:\/\/www.photonics.fi\/members\/kimmy-photonics\/\" target=\"_blank\" rel=\"noreferrer noopener\">Kimmy Photonics<\/a> and <a href=\"https:\/\/www.oceanoptics.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">OceanOptics<\/a>. <\/figcaption><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>How to Attend to OPD<\/strong> (Please find all the details through links below)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.photonics.fi\/opd2026\/program\/\" target=\"_blank\" rel=\"noreferrer noopener\">Program<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.photonics.fi\/opd2026\/venue\/\" target=\"_blank\" rel=\"noreferrer noopener\">Venue<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.photonics.fi\/opd2026\/registration\/\" target=\"_blank\" rel=\"noreferrer noopener\">Registration<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.photonics.fi\/opd2026\/submission\/\" target=\"_blank\" rel=\"noreferrer noopener\">Submission<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.photonics.fi\/opd2026\/exhibition\/\" target=\"_blank\" rel=\"noreferrer noopener\">Exhibition<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.photonics.fi\/opd2026\/accommodation\/\" target=\"_blank\" rel=\"noreferrer noopener\">Accommodation<\/a><\/li>\n\n\n\n<li><a rel=\"noreferrer noopener\" href=\"https:\/\/www.photonics.fi\/opd2022\/contact\/\" target=\"_blank\">Q<\/a><a href=\"https:\/\/www.photonics.fi\/opd2026\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">uestions? Contact details <\/a><\/li>\n<\/ul>\n\n\n\n<p>The information about extra events such as the <a href=\"https:\/\/www.photonics.fi\/opd2026\/prein-annual-event\/\" target=\"_blank\" rel=\"noreferrer noopener\">PREIN Annual event<\/a>-, Student event, Job Fair, Media Event and Photonics Finland spring &#8211; meetings will be announced later.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-medium-font-size\"><strong>Important Dates<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.photonics.fi\/opd2026\/accommodation\/\" target=\"_blank\" rel=\"noreferrer noopener\">Accommodation<\/a> special pricing available! <\/li>\n\n\n\n<li>Early Bird registration fee available until 8th of April 2026<\/li>\n\n\n\n<li>Regular registration fee from 9th April and until 2nd May 2026<\/li>\n\n\n\n<li>Late registration fee from 3rd of May 2026 until the event.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:41px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" data-id=\"12253\" src=\"https:\/\/www.photonics.fi\/wp-content\/uploads\/2023\/06\/OPD2023_TP-18-1024x683.jpg\" alt=\"\" class=\"wp-image-12253\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" data-id=\"12254\" src=\"https:\/\/www.photonics.fi\/wp-content\/uploads\/2023\/06\/OPD2023_TP-49-1024x683.jpg\" alt=\"\" class=\"wp-image-12254\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" data-id=\"2927\" src=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A8800-1024x683.jpg\" alt=\"\" class=\"wp-image-2927\" srcset=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A8800-1024x683.jpg 1024w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A8800-300x200.jpg 300w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A8800-768x512.jpg 768w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A8800-1536x1024.jpg 1536w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A8800-2048x1365.jpg 2048w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A8800-272x182.jpg 272w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" data-id=\"12251\" src=\"https:\/\/www.photonics.fi\/wp-content\/uploads\/2023\/06\/OPD2023_TP-7-1024x683.jpg\" alt=\"\" class=\"wp-image-12251\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" data-id=\"2928\" src=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A3458-1024x683.jpg\" alt=\"\" class=\"wp-image-2928\" srcset=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A3458-1024x683.jpg 1024w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A3458-300x200.jpg 300w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A3458-768x512.jpg 768w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A3458-1536x1024.jpg 1536w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A3458-2048x1365.jpg 2048w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A3458-272x182.jpg 272w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/paviljonki-tero-takalo-eskola-web-1024x683.jpg\" alt=\"\" class=\"wp-image-2952\" srcset=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/paviljonki-tero-takalo-eskola-web-1024x683.jpg 1024w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/paviljonki-tero-takalo-eskola-web-300x200.jpg 300w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/paviljonki-tero-takalo-eskola-web-768x512.jpg 768w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/paviljonki-tero-takalo-eskola-web-1536x1024.jpg 1536w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/paviljonki-tero-takalo-eskola-web-272x182.jpg 272w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/paviljonki-tero-takalo-eskola-web.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A9044-1024x683.jpg\" alt=\"\" class=\"wp-image-3042\" srcset=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A9044-1024x683.jpg 1024w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A9044-300x200.jpg 300w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A9044-768x512.jpg 768w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A9044-1536x1024.jpg 1536w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A9044-2048x1365.jpg 2048w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A9044-272x182.jpg 272w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A3298-1024x683.jpg\" alt=\"\" class=\"wp-image-3043\" srcset=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A3298-1024x683.jpg 1024w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A3298-300x200.jpg 300w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A3298-768x512.jpg 768w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A3298-1536x1024.jpg 1536w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A3298-2048x1365.jpg 2048w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/09\/3E2A3298-272x182.jpg 272w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-medium-font-size\"><strong>OPD2026 Official Partner<\/strong><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"664\" src=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2024\/02\/prein-logo-1024x664.png\" alt=\"\" class=\"wp-image-1576\" style=\"width:239px;height:auto\" srcset=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2024\/02\/prein-logo-1024x664.png 1024w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2024\/02\/prein-logo-300x195.png 300w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2024\/02\/prein-logo-768x498.png 768w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2024\/02\/prein-logo.png 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n\n\n<div style=\"height:27px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"has-medium-font-size\"><strong>OPD in collaboration with<\/strong><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"998\" data-id=\"1572\" src=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2024\/02\/EOS-1024x998.png\" alt=\"\" class=\"wp-image-1572\" srcset=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2024\/02\/EOS-1024x998.png 1024w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2024\/02\/EOS-300x292.png 300w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2024\/02\/EOS-768x748.png 768w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2024\/02\/EOS.png 1131w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"436\" src=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/10\/bf_logo_blue_rgb-1024x436.png\" alt=\"\" class=\"wp-image-3206\" srcset=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/10\/bf_logo_blue_rgb-1024x436.png 1024w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/10\/bf_logo_blue_rgb-300x128.png 300w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/10\/bf_logo_blue_rgb-768x327.png 768w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2025\/10\/bf_logo_blue_rgb.png 1193w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"407\" src=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2026\/03\/jyu-vaaka-kaksikielinen-1024x407.png\" alt=\"\" class=\"wp-image-3518\" srcset=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2026\/03\/jyu-vaaka-kaksikielinen-1024x407.png 1024w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2026\/03\/jyu-vaaka-kaksikielinen-300x119.png 300w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2026\/03\/jyu-vaaka-kaksikielinen-768x306.png 768w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2026\/03\/jyu-vaaka-kaksikielinen-1536x611.png 1536w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2026\/03\/jyu-vaaka-kaksikielinen-2048x815.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"485\" src=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2026\/03\/01.-EEN_logo_RGB_HORIZ_positive-1024x485.png\" alt=\"\" class=\"wp-image-3520\" srcset=\"https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2026\/03\/01.-EEN_logo_RGB_HORIZ_positive-1024x485.png 1024w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2026\/03\/01.-EEN_logo_RGB_HORIZ_positive-300x142.png 300w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2026\/03\/01.-EEN_logo_RGB_HORIZ_positive-768x364.png 768w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2026\/03\/01.-EEN_logo_RGB_HORIZ_positive-1536x728.png 1536w, https:\/\/www.photonics.fi\/opd2026\/wp-content\/uploads\/2026\/03\/01.-EEN_logo_RGB_HORIZ_positive-2048x970.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Optics and Photonics Days (OPD) is an annual central event in Optics and Photonics in Finland and the largest yearly Photonics event in the Nordics. OPD2026 will be held at Paviljonki 26. \u2013 28. May 2026, Jyv\u00e4skyl\u00e4, Finland. OPD offers an unique opportunity to learn from interesting presentations from Academy and Industry program running inContinue reading &rarr;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-21","page","type-page","status-publish","hentry","no-thumb"],"_links":{"self":[{"href":"https:\/\/www.photonics.fi\/opd2026\/wp-json\/wp\/v2\/pages\/21","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.photonics.fi\/opd2026\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.photonics.fi\/opd2026\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.photonics.fi\/opd2026\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.photonics.fi\/opd2026\/wp-json\/wp\/v2\/comments?post=21"}],"version-history":[{"count":198,"href":"https:\/\/www.photonics.fi\/opd2026\/wp-json\/wp\/v2\/pages\/21\/revisions"}],"predecessor-version":[{"id":3674,"href":"https:\/\/www.photonics.fi\/opd2026\/wp-json\/wp\/v2\/pages\/21\/revisions\/3674"}],"wp:attachment":[{"href":"https:\/\/www.photonics.fi\/opd2026\/wp-json\/wp\/v2\/media?parent=21"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}