Laser Focus World is an industry bedrock—first published in 1965 and still going strong. We publish original articles about cutting-edge advances in lasers, optics, photonics, sensors, and quantum technologies, as well as test and measurement, and the shift currently underway to usher in the photonic integrated circuits, optical interconnects, and copackaged electronics and photonics to deliver the speed and efficiency essential for data centers of the future.

Our 80,000 qualified print subscribers—and 130,000 12-month engaged online audience—trust us to dive in and provide original journalism you won’t find elsewhere covering key emerging areas such as laser-driven inertial confinement fusion, lasers in space, integrated photonics, chipscale lasers, LiDAR, metasurfaces, high-energy laser weaponry, photonic crystals, and quantum computing/sensors/communications. We cover the innovations driving these markets.

Laser Focus World is part of Endeavor Business Media, a division of EndeavorB2B.

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Showcases the newest content from Laser Focus World, including photonics- and optics-based applications, components, research, and trends. (Daily)

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The latest in products within the biophotonics industry. (4x per year)

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Following the Photons: A Photonics Podcast

Following the Photons: A Photonics Podcast dives deep into the fascinating world of photonics. Our weekly episodes feature interviews and discussions with industry and research experts, providing valuable perspectives on the issues, technologies, and trends shaping the photonics community.

Editorial Advisory Board

  • Professor Andrea M. Armani, University of Southern California
  • Ruti Ben-Shlomi, Ph.D., LightSolver
  • James Butler, Ph.D., Hamamatsu
  • Natalie Fardian-Melamed, Ph.D., Columbia University
  • Justin Sigley, Ph.D., AmeriCOM
  • Professor Birgit Stiller, Max Planck Institute for the Science of Light, and Leibniz University of Hannover
  • Professor Stephen Sweeney, University of Glasgow
  • Mohan Wang, Ph.D., University of Oxford
  • Professor Xuchen Wang, Harbin Engineering University
  • Professor Stefan Witte, Delft University of Technology

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Date Open High Low Close Volume Change (%)
Sep 25, 2025 0.4200 0.4300 0.4100 0.4200 318,391 +0.01(+1.20%)
Sep 24, 2025 0.4250 0.4250 0.4000 0.4150 326,656 -0.01(-1.19%)
Sep 23, 2025 0.4250 0.4300 0.4200 0.4200 392,076 -0.01(-2.33%)
Sep 22, 2025 0.4300 0.4350 0.4200 0.4300 390,298 -0.01(-2.27%)
Sep 19, 2025 0.4450 0.4500 0.4350 0.4400 291,350 -0.01(-2.22%)
Sep 18, 2025 0.4500 0.4550 0.4350 0.4500 598,309 -0.01(-2.17%)
Sep 17, 2025 0.4250 0.4700 0.4250 0.4600 1,156,656 +0.03(+6.98%)
Sep 16, 2025 0.4150 0.4300 0.4100 0.4300 247,970 -0.00(-0.58%)
Sep 15, 2025 0.4350 0.4400 0.4200 0.4325 270,322 -0.01(-2.81%)
Sep 12, 2025 0.4350 0.4450 0.4350 0.4450 1,014,389 -0.01(-1.11%)
Sep 11, 2025 0.4400 0.4500 0.4300 0.4500 893,300 +0.02(+3.45%)
Sep 10, 2025 0.4300 0.4350 0.4150 0.4350 684,415 +0.00(+0.00%)
Sep 09, 2025 0.4350 0.4350 0.4050 0.4350 388,085 +0.01(+1.16%)
Sep 08, 2025 0.4500 0.4500 0.4275 0.4300 144,212 -0.02(-4.44%)
Sep 05, 2025 0.4500 0.4500 0.4250 0.4500 313,836 +0.01(+2.27%)
Sep 04, 2025 0.4450 0.4550 0.4350 0.4400 464,302 -0.01(-2.22%)
Sep 03, 2025 0.4150 0.4600 0.4150 0.4500 1,622,751 +0.02(+4.65%)
Sep 02, 2025 0.4300 0.4300 0.4100 0.4300 139,422 +0.01(+1.18%)
Aug 29, 2025 0.4250 0 +0.02(+4.94%)
Aug 28, 2025 0.4100 0.4100 0.3900 0.4050 244,314 -0.00(-1.22%)
Aug 27, 2025 0.4100 0.4250 0.3950 0.4100 357,610 -0.01(-1.20%)
Aug 26, 2025 0.3850 0.4200 0.3800 0.4150 360,404 +0.03(+9.21%)
Aug 25, 2025 0.3800 0.3850 0.3600 0.3800 623,268 +0.01(+1.33%)
Aug 22, 2025 0.3900 0.3900 0.3750 0.3750 362,369 -0.01(-3.23%)
Aug 21, 2025 0.3900 0.4000 0.3875 0.3875 433,038 -0.01(-3.13%)
Aug 20, 2025 0.3900 0.4050 0.3800 0.4000 663,282 -0.01(-1.23%)
Aug 19, 2025 0.4200 0.4200 0.3800 0.4050 674,424 -0.01(-3.57%)
Aug 18, 2025 0.4000 0.4450 0.4000 0.4200 2,129,269 +0.02(+6.33%)
Aug 15, 2025 0.3650 0.3950 0.3600 0.3950 2,199,779 +0.03(+8.22%)
Aug 14, 2025 0.3450 0.3700 0.3400 0.3650 3,336,684 +0.05(+17.74%)
Aug 13, 2025 0.3200 0.3200 0.3000 0.3100 1,073,120 +0.01(+1.64%)
Aug 12, 2025 0.3100 0.3200 0.3050 0.3050 476,251 +0.01(+1.67%)
Aug 11, 2025 0.3100 0.3200 0.2950 0.3000 503,712 -0.00(-0.83%)
Aug 08, 2025 0.3100 0.3100 0.2950 0.3025 138,500 +0.00(+0.83%)
Aug 07, 2025 0.3150 0.3150 0.2950 0.3000 205,207 -0.02(-4.76%)
Aug 06, 2025 0.3100 0.3175 0.3000 0.3150 240,198 +0.02(+5.00%)
Aug 05, 2025 0.2800 0.3000 0.2750 0.3000 347,111 +0.03(+11.11%)
Aug 01, 2025 0.2700 0 +0.01(+1.89%)
Jul 31, 2025 0.2900 0.3000 0.2625 0.2650 3,636,974 -0.02(-8.62%)
Jul 30, 2025 0.3000 0.3000 0.2850 0.2900 402,898 -0.01(-3.33%)
Jul 29, 2025 0.3100 0.3100 0.3000 0.3000 427,197 -0.01(-1.64%)
Jul 28, 2025 0.3150 0.3150 0.3050 0.3050 596,033 +0.00(+0.00%)
Jul 25, 2025 0.3000 0.3050 0.2950 0.3050 1,233,140 -0.01(-3.17%)
Jul 24, 2025 0.3150 0.3200 0.3100 0.3150 1,806,046 +0.00(+0.00%)
Jul 23, 2025 0.3250 0.3300 0.3150 0.3150 1,058,182 +0.00(+0.00%)
Jul 22, 2025 0.3150 0.3250 0.3025 0.3150 1,526,518 +0.00(+0.00%)
Jul 21, 2025 0.3050 0.3250 0.2950 0.3150 738,905 +0.02(+5.00%)
Jul 18, 2025 0.3150 0.3150 0.2950 0.3000 372,630 -0.01(-3.23%)
Jul 17, 2025 0.3100 0.3250 0.2850 0.3100 2,626,591 +0.00(+0.00%)
Jul 16, 2025 0.2950 0.3350 0.2800 0.3100 1,647,022 +0.02(+6.90%)
Jul 15, 2025 0.2800 0.3300 0.2800 0.2900 1,044,881 +0.01(+1.75%)
Jul 14, 2025 0.2750 0.2850 0.2700 0.2850 217,663 +0.00(+1.79%)
Jul 11, 2025 0.2800 0.2800 0.2750 0.2800 27,110 -0.01(-3.45%)
Jul 10, 2025 0.2850 0.2900 0.2850 0.2900 201,322 +0.02(+7.41%)
Jul 09, 2025 0.2900 0.2900 0.2700 0.2700 111,854 -0.01(-5.26%)
Jul 08, 2025 0.3050 0.3100 0.2850 0.2850 119,283 -0.01(-1.72%)
Jul 07, 2025 0.3050 0.3100 0.2900 0.2900 307,682 -0.02(-4.92%)
Jul 04, 2025 0.2950 0.3050 0.3000 0.3050 59,665 +0.01(+3.39%)
Jul 03, 2025 0.2900 0.2950 0.2900 0.2950 51,390 +0.01(+1.72%)
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