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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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 30, 2025 0.6000 0.6299 0.5850 0.6081 142,171 +0.01(+1.27%)
Sep 29, 2025 0.6200 0.6220 0.5901 0.6005 116,846 -0.01(-2.09%)
Sep 26, 2025 0.6200 0.6275 0.5841 0.6133 162,651 -0.01(-2.26%)
Sep 25, 2025 0.6400 0.6445 0.6250 0.6275 82,394 -0.01(-1.55%)
Sep 24, 2025 0.6500 0.6699 0.6302 0.6374 50,552 -0.01(-1.45%)
Sep 23, 2025 0.6401 0.6730 0.6300 0.6468 377,455 +0.03(+4.32%)
Sep 22, 2025 0.6202 0.6299 0.6100 0.6200 116,055 -0.01(-1.32%)
Sep 19, 2025 0.6200 0.6400 0.6181 0.6283 155,929 -0.02(-2.44%)
Sep 18, 2025 0.6300 0.6473 0.6129 0.6440 242,174 +0.03(+5.57%)
Sep 17, 2025 0.6151 0.6300 0.5900 0.6100 310,292 -0.02(-3.19%)
Sep 16, 2025 0.6500 0.6980 0.5994 0.6301 3,356,826 -0.02(-2.49%)
Sep 15, 2025 0.6000 0.6822 0.6000 0.6462 882,427 +0.05(+8.42%)
Sep 12, 2025 0.5702 0.5969 0.5702 0.5960 46,176 +0.02(+2.76%)
Sep 11, 2025 0.5720 0.5850 0.5399 0.5800 171,900 +0.00(+0.03%)
Sep 10, 2025 0.5690 0.5892 0.5600 0.5798 71,281 -0.00(-0.77%)
Sep 09, 2025 0.5590 0.5880 0.5524 0.5843 148,606 +0.01(+2.42%)
Sep 08, 2025 0.5600 0.5873 0.5296 0.5705 151,255 +0.01(+0.97%)
Sep 05, 2025 0.6370 0.6370 0.5202 0.5650 925,177 -0.04(-6.87%)
Sep 04, 2025 0.5800 0.6445 0.5770 0.6067 175,811 +0.00(+0.38%)
Sep 03, 2025 0.5800 0.6200 0.5600 0.6044 258,617 +0.03(+5.83%)
Sep 02, 2025 0.5900 0.6012 0.5684 0.5711 145,183 -0.03(-5.73%)
Aug 29, 2025 0.6200 0.6240 0.5950 0.6058 262,078 -0.01(-1.48%)
Aug 28, 2025 0.5900 0.6290 0.5626 0.6149 571,662 +0.02(+3.38%)
Aug 27, 2025 0.6000 0.6141 0.5900 0.5948 724,558 -0.04(-6.08%)
Aug 26, 2025 0.7679 0.7698 0.6113 0.6333 24,035,102 -0.14(-18.18%)
Aug 25, 2025 0.7500 0.7740 0.7500 0.7740 15,436 +0.01(+1.18%)
Aug 22, 2025 0.7599 0.7800 0.7509 0.7650 17,742 +0.02(+3.21%)
Aug 21, 2025 0.7600 0.7649 0.7400 0.7412 19,318 -0.02(-3.12%)
Aug 20, 2025 0.8010 0.8010 0.7600 0.7651 5,589 -0.01(-1.28%)
Aug 19, 2025 0.7700 0.7949 0.7600 0.7750 20,591 -0.01(-1.05%)
Aug 18, 2025 0.7500 0.7900 0.7410 0.7832 13,108 +0.01(+1.08%)
Aug 15, 2025 0.7600 0.7950 0.7401 0.7748 23,349 +0.04(+5.06%)
Aug 14, 2025 0.7500 0.7998 0.7337 0.7375 45,788 -0.01(-1.69%)
Aug 13, 2025 0.7800 0.7800 0.7222 0.7502 63,620 -0.03(-3.29%)
Aug 12, 2025 0.7600 0.7899 0.7500 0.7757 40,771 +0.02(+2.07%)
Aug 11, 2025 0.7752 0.7999 0.7600 0.7600 18,282 -0.02(-3.05%)
Aug 08, 2025 0.8100 0.8100 0.7755 0.7839 23,570 -0.01(-0.78%)
Aug 07, 2025 0.7920 0.7980 0.7900 0.7901 12,960 +0.00(+0.62%)
Aug 06, 2025 0.7700 0.8199 0.7700 0.7852 62,658 +0.01(+1.04%)
Aug 05, 2025 0.8500 0.8500 0.7500 0.7771 60,294 -0.05(-6.37%)
Aug 04, 2025 0.8874 0.8993 0.8245 0.8300 36,770 -0.02(-1.80%)
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