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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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 30, 2025 0.3700 0.3700 0.3700 0.3700 24,111 +0.04(+12.12%)
Sep 29, 2025 0.3700 0.3700 0.3300 0.3300 15,550 -0.04(-10.81%)
Sep 26, 2025 0.3600 0.3700 0.3600 0.3700 3,621 +0.01(+2.78%)
Sep 25, 2025 0.3600 0.3600 0.3600 0.3600 3,100 +0.01(+1.41%)
Sep 24, 2025 0.3550 0.3550 0.3550 0.3550 1,000 +0.01(+4.41%)
Sep 23, 2025 0.3400 0.3400 0.3200 0.3400 28,044 +0.01(+1.49%)
Sep 22, 2025 0.3850 0.3850 0.3350 0.3350 143,563 -0.07(-18.29%)
Sep 19, 2025 0.4450 0.4450 0.4000 0.4100 35,667 -0.04(-8.89%)
Sep 18, 2025 0.4500 0.4500 0.4500 0.4500 5,100 +0.00(+0.00%)
Sep 17, 2025 0.4500 0.4500 0.4500 0.4500 2,301 -0.03(-7.22%)
Sep 16, 2025 0.4450 0.5100 0.3900 0.4850 17,416 +0.04(+8.99%)
Sep 15, 2025 0.5100 0.5100 0.4450 0.4450 52,500 -0.05(-11.00%)
Sep 12, 2025 0.5400 0.5400 0.5000 0.5000 15,936 -0.01(-1.96%)
Sep 11, 2025 0.5500 0.6000 0.5100 0.5100 67,803 +0.00(+0.00%)
Sep 10, 2025 0.5600 0.5600 0.5100 0.5100 36,270 +0.01(+2.00%)
Sep 09, 2025 0.4700 0.5100 0.4650 0.5000 34,582 +0.05(+11.11%)
Sep 08, 2025 0.4600 0.4800 0.4400 0.4500 46,126 -0.04(-9.09%)
Sep 04, 2025 0.4950 0.4950 100 -0.06(-10.00%)
Sep 03, 2025 0.5400 0.5500 0.5400 0.5500 1,701 +0.02(+3.77%)
Sep 02, 2025 0.6200 0.6200 0.5300 0.5300 23,525 -0.05(-8.62%)
Aug 29, 2025 0.5800 0 +0.04(+7.41%)
Aug 28, 2025 0.5400 0.5400 0.5400 0.5400 2,300 -0.02(-3.57%)
Aug 27, 2025 0.5500 0.5600 0.5500 0.5600 6,000 +0.01(+1.82%)
Aug 26, 2025 0.5500 0.5500 0.5500 0.5500 8,460 +0.00(+0.00%)
Aug 25, 2025 0.5500 0.5500 0.5500 0.5500 5,000 +0.08(+17.02%)
Aug 22, 2025 0.4950 0.5100 0.4700 0.4700 24,988 +0.02(+4.44%)
Aug 21, 2025 0.4650 0.4650 0.4500 0.4500 259,170 -0.10(-18.18%)
Aug 20, 2025 0.4750 0.5500 0.4750 0.5500 29,800 +0.08(+15.79%)
Aug 19, 2025 0.5000 0.5300 0.4700 0.4750 64,906 -0.05(-8.65%)
Aug 18, 2025 0.5600 0.5600 0.4900 0.5200 49,900 -0.04(-7.14%)
Aug 15, 2025 0.6200 0.6200 0.5600 0.5600 46,850 -0.06(-9.68%)
Aug 14, 2025 0.6100 0.6200 0.5900 0.6200 31,809 -0.01(-1.59%)
Aug 13, 2025 0.6000 0.6900 0.6000 0.6300 214,858 +0.07(+12.50%)
Aug 11, 2025 0.5600 0.5600 200 +0.02(+3.70%)
Aug 08, 2025 0.5400 0.5400 0.5200 0.5400 20,740 +0.04(+8.00%)
Aug 07, 2025 0.5100 0.5100 0.5000 0.5000 16,700 -0.04(-7.41%)
Aug 06, 2025 0.5200 0.5400 0.5100 0.5400 25,561 +0.04(+8.00%)
Aug 05, 2025 0.5500 0.5700 0.5000 0.5000 46,386 -0.01(-1.96%)
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