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 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 4.200 4.440 3.510 3.510 187,316 -1.13(-24.35%)
Sep 29, 2025 4.200 4.750 4.080 4.640 377,308 -0.03(-0.64%)
Sep 26, 2025 5.000 5.030 4.050 4.670 22,636,912 +1.51(+47.78%)
Sep 25, 2025 3.240 3.300 3.000 3.160 1,764,056 -0.11(-3.36%)
Sep 24, 2025 3.260 3.390 3.190 3.270 27,795 -0.14(-4.11%)
Sep 23, 2025 3.440 3.580 3.300 3.410 35,411 -0.14(-3.94%)
Sep 22, 2025 3.440 3.570 3.370 3.550 30,794 -0.04(-1.11%)
Sep 19, 2025 3.320 3.650 3.300 3.590 53,840 +0.20(+5.90%)
Sep 18, 2025 3.580 3.630 3.220 3.390 72,889 -0.25(-6.87%)
Sep 17, 2025 3.760 3.760 3.490 3.640 177,750 +0.15(+4.30%)
Sep 16, 2025 3.030 3.550 2.980 3.490 356,626 +0.44(+14.43%)
Sep 15, 2025 3.010 3.088 2.900 3.050 82,074 -0.21(-6.44%)
Sep 12, 2025 2.890 3.390 2.739 3.260 533,846 +0.27(+9.03%)
Sep 11, 2025 3.120 3.569 2.850 2.990 727,718 +0.27(+9.93%)
Sep 10, 2025 2.770 2.885 2.590 2.720 752,127 -0.05(-1.81%)
Sep 09, 2025 2.420 2.880 2.350 2.770 212,477 +0.39(+16.39%)
Sep 08, 2025 2.620 2.850 2.360 2.380 234,665 -0.52(-17.93%)
Sep 05, 2025 2.800 2.900 2.750 2.900 110,230 -0.25(-7.94%)
Sep 04, 2025 3.225 3.395 3.000 3.150 214,384 -0.68(-17.75%)
Sep 03, 2025 4.250 4.250 3.765 3.830 111,551 -0.17(-4.13%)
Sep 02, 2025 3.750 4.700 3.498 3.995 548,629 +0.10(+2.44%)
Aug 29, 2025 4.250 4.375 3.625 3.900 464,078 -0.81(-17.24%)
Aug 28, 2025 5.468 5.692 4.210 4.713 9,529,274 +1.21(+34.64%)
Aug 27, 2025 3.110 9.250 2.895 3.500 15,192,993 +0.67(+23.78%)
Aug 26, 2025 3.250 3.250 2.805 2.828 105,194 -0.77(-21.40%)
Aug 25, 2025 3.942 4.237 3.530 3.598 116,088 -1.07(-22.88%)
Aug 22, 2025 4.607 5.188 4.075 4.665 168,962 +0.57(+13.92%)
Aug 21, 2025 4.093 4.875 4.025 4.095 24,129 -0.30(-6.77%)
Aug 20, 2025 5.000 5.120 4.320 4.393 25,851 -0.63(-12.50%)
Aug 19, 2025 4.375 5.245 4.375 5.020 71,132 +0.29(+6.24%)
Aug 18, 2025 5.255 5.750 4.345 4.725 81,681 -0.87(-15.47%)
Aug 15, 2025 8.250 9.000 4.827 5.590 198,966 -3.39(-37.75%)
Aug 14, 2025 8.750 9.197 8.562 8.980 4,201 -0.22(-2.39%)
Aug 13, 2025 9.125 9.432 8.453 9.200 8,461 +0.19(+2.11%)
Aug 12, 2025 8.918 9.400 8.755 9.010 5,721 -0.09(-0.96%)
Aug 11, 2025 9.020 9.277 8.985 9.098 8,830 -0.30(-3.22%)
Aug 08, 2025 8.775 10.15 8.250 9.400 35,719 +0.76(+8.76%)
Aug 07, 2025 9.338 9.607 7.418 8.643 24,455 -0.81(-8.54%)
Aug 06, 2025 9.152 9.918 9.010 9.450 8,074 +0.20(+2.16%)
Aug 05, 2025 9.000 9.540 8.887 9.250 17,780 -0.35(-3.60%)
Aug 04, 2025 8.750 9.943 8.750 9.595 38,341 +0.43(+4.63%)
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