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.

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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 (%)
Oct 09, 2025 0.5715 0.5900 0.5581 0.5696 211,783 -0.01(-1.06%)
Oct 08, 2025 0.5715 0.5900 0.5705 0.5757 269,339 -0.00(-0.42%)
Oct 07, 2025 0.5900 0.6000 0.5724 0.5781 542,951 -0.02(-3.91%)
Oct 06, 2025 0.5966 0.6355 0.5800 0.6016 1,190,622 -0.00(-0.07%)
Oct 03, 2025 0.5900 0.6100 0.5851 0.6020 409,683 +0.01(+0.94%)
Oct 02, 2025 0.6000 0.6399 0.5814 0.5964 1,215,658 -0.01(-1.36%)
Oct 01, 2025 0.6801 0.7200 0.6000 0.6046 14,861,791 +0.03(+5.81%)
Sep 30, 2025 0.5700 0.6035 0.5600 0.5714 19,648,176 -0.00(-0.61%)
Sep 29, 2025 0.6600 0.6600 0.5635 0.5749 727,922 -0.05(-7.27%)
Sep 26, 2025 0.5950 0.6323 0.5882 0.6200 808,803 +0.03(+5.41%)
Sep 25, 2025 0.6100 0.6200 0.5800 0.5882 362,381 -0.03(-4.39%)
Sep 24, 2025 0.6350 0.6450 0.6026 0.6152 378,106 -0.02(-3.42%)
Sep 23, 2025 0.6750 0.7140 0.6111 0.6370 3,000,246 -0.01(-1.68%)
Sep 22, 2025 0.6000 0.6600 0.6010 0.6479 1,669,173 +0.05(+7.89%)
Sep 19, 2025 0.6270 0.6500 0.5750 0.6005 221,439 -0.00(-0.81%)
Sep 18, 2025 0.6157 0.6695 0.5957 0.6054 220,557 -0.01(-1.67%)
Sep 17, 2025 0.6300 0.6408 0.6016 0.6157 161,186 -0.01(-0.92%)
Sep 16, 2025 0.6400 0.6500 0.6000 0.6214 179,450 +0.00(+0.21%)
Sep 15, 2025 0.6339 0.6898 0.5700 0.6201 531,718 -0.08(-11.16%)
Sep 12, 2025 0.6800 0.6999 0.6410 0.6980 248,241 +0.01(+1.14%)
Sep 11, 2025 0.6400 0.7100 0.6100 0.6901 678,210 -0.00(-0.53%)
Sep 10, 2025 0.7200 0.8386 0.6240 0.6938 4,114,549 +0.06(+9.21%)
Sep 09, 2025 0.6300 0.6562 0.5605 0.6353 6,647,319 -0.00(-0.77%)
Sep 08, 2025 0.6200 0.7360 0.6221 0.6402 258,816 -0.01(-1.79%)
Sep 05, 2025 0.6611 0.6900 0.6204 0.6519 272,959 -0.03(-4.13%)
Sep 04, 2025 0.6390 0.7445 0.6100 0.6800 725,631 +0.05(+7.09%)
Sep 03, 2025 0.6461 0.6700 0.6300 0.6350 70,352 -0.02(-3.35%)
Sep 02, 2025 0.6730 0.6850 0.6063 0.6570 204,637 -0.02(-2.38%)
Aug 29, 2025 0.6400 0.7000 0.6311 0.6730 285,835 +0.03(+5.16%)
Aug 28, 2025 0.6200 0.6400 0.5849 0.6400 146,784 -0.01(-1.54%)
Aug 27, 2025 0.5700 0.7490 0.5600 0.6500 879,303 +0.08(+14.04%)
Aug 26, 2025 0.7312 1.110 0.4700 0.5700 7,921,062 -0.09(-14.03%)
Aug 25, 2025 0.7362 0.7700 0.6630 0.6630 107,667 -0.06(-8.31%)
Aug 22, 2025 0.7201 0.7900 0.6648 0.7231 107,195 +0.00(+0.43%)
Aug 21, 2025 0.8030 0.8030 0.7000 0.7200 160,772 -0.03(-4.00%)
Aug 20, 2025 0.8200 0.8400 0.7000 0.7500 325,990 -0.07(-8.54%)
Aug 19, 2025 0.8970 1.220 0.7796 0.8200 2,296,729 -0.07(-7.40%)
Aug 18, 2025 1.000 1.000 0.8598 0.8855 38,719 -0.10(-10.56%)
Aug 15, 2025 0.9200 0.9999 0.8701 0.9900 64,064 +0.09(+10.00%)
Aug 14, 2025 0.9700 0.9710 0.8900 0.9000 27,441 -0.06(-5.88%)
Aug 13, 2025 0.9600 1.100 0.9500 0.9562 31,801 -0.04(-4.38%)
Aug 12, 2025 1.030 1.060 0.9858 1.000 7,851 -0.03(-2.91%)
Aug 11, 2025 1.000 1.065 1.000 1.030 46,021 +0.03(+3.46%)
Aug 08, 2025 1.015 1.015 0.9700 0.9956 13,491 +0.05(+5.69%)
Aug 07, 2025 1.060 1.060 0.9400 0.9420 71,054 -0.12(-11.13%)
Aug 06, 2025 1.090 1.170 1.050 1.060 74,332 -0.01(-0.93%)
Aug 05, 2025 1.050 1.140 1.050 1.070 16,528 +0.01(+0.94%)
Aug 04, 2025 1.050 1.320 1.050 1.060 30,535 -0.04(-3.64%)
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