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 (%)
Oct 03, 2025 4.700 5.044 4.610 4.700 471,773 +0.01(+0.21%)
Oct 02, 2025 4.700 4.830 4.660 4.690 197,990 -0.02(-0.42%)
Oct 01, 2025 4.500 4.758 4.500 4.710 236,082 +0.15(+3.29%)
Sep 30, 2025 4.680 4.814 4.510 4.560 301,507 -0.11(-2.36%)
Sep 29, 2025 5.000 5.500 4.480 4.670 2,719,773 +0.09(+1.97%)
Sep 26, 2025 4.540 4.674 4.380 4.580 160,752 -0.02(-0.43%)
Sep 25, 2025 4.560 4.884 4.310 4.600 238,034 -0.15(-3.16%)
Sep 24, 2025 4.970 5.180 4.730 4.750 322,786 -0.22(-4.43%)
Sep 23, 2025 5.330 5.650 4.900 4.970 695,107 -0.16(-3.12%)
Sep 22, 2025 4.880 5.230 4.680 5.130 488,156 +0.28(+5.77%)
Sep 19, 2025 4.710 5.329 4.500 4.850 1,306,411 +0.19(+4.08%)
Sep 18, 2025 4.520 4.750 4.440 4.660 271,514 +0.23(+5.19%)
Sep 17, 2025 4.310 4.840 4.310 4.430 694,537 +0.13(+3.02%)
Sep 16, 2025 4.320 4.500 4.180 4.300 241,490 -0.02(-0.46%)
Sep 15, 2025 4.460 4.500 4.250 4.320 206,026 -0.14(-3.14%)
Sep 12, 2025 4.310 4.480 4.140 4.460 282,689 +0.07(+1.59%)
Sep 11, 2025 4.100 4.400 4.050 4.390 315,340 +0.34(+8.40%)
Sep 10, 2025 4.340 4.400 4.010 4.050 496,098 -0.19(-4.48%)
Sep 09, 2025 3.970 4.320 3.830 4.240 356,238 +0.27(+6.80%)
Sep 08, 2025 3.880 4.023 3.880 3.970 154,362 +0.09(+2.32%)
Sep 05, 2025 3.750 3.900 3.700 3.880 196,051 +0.19(+5.15%)
Sep 04, 2025 3.920 4.008 3.582 3.690 293,267 -0.22(-5.63%)
Sep 03, 2025 3.910 4.070 3.880 3.910 128,178 -0.03(-0.76%)
Sep 02, 2025 3.900 4.065 3.850 3.940 130,730 -0.09(-2.23%)
Aug 29, 2025 4.010 4.120 3.950 4.030 163,968 -0.02(-0.49%)
Aug 28, 2025 3.910 4.095 3.866 4.050 200,509 +0.15(+3.85%)
Aug 27, 2025 3.700 3.950 3.680 3.900 130,246 +0.15(+4.00%)
Aug 26, 2025 3.920 3.960 3.700 3.750 178,081 -0.15(-3.85%)
Aug 25, 2025 3.860 3.950 3.800 3.900 124,982 +0.00(+0.00%)
Aug 22, 2025 3.700 3.940 3.700 3.900 182,364 +0.16(+4.28%)
Aug 21, 2025 3.690 3.740 3.560 3.740 85,045 +0.02(+0.54%)
Aug 20, 2025 3.630 3.794 3.630 3.720 150,968 +0.11(+3.05%)
Aug 19, 2025 3.730 3.848 3.550 3.610 232,637 -0.17(-4.37%)
Aug 18, 2025 3.840 3.895 3.730 3.775 129,040 +0.02(+0.40%)
Aug 15, 2025 4.060 4.100 3.710 3.760 251,839 -0.32(-7.84%)
Aug 14, 2025 4.100 4.180 3.960 4.080 290,602 -0.16(-3.77%)
Aug 13, 2025 3.900 4.340 3.865 4.240 472,284 +0.40(+10.27%)
Aug 12, 2025 3.760 3.880 3.650 3.845 287,950 +0.01(+0.13%)
Aug 11, 2025 3.880 4.200 3.810 3.840 926,568 +0.22(+6.08%)
Aug 08, 2025 3.630 3.945 3.490 3.620 659,211 -0.04(-1.09%)
Aug 07, 2025 3.520 3.920 3.434 3.660 450,015 +0.09(+2.52%)
Aug 06, 2025 3.570 3.688 3.490 3.570 139,368 -0.03(-0.83%)
Aug 05, 2025 3.610 3.690 3.473 3.600 130,432 +0.06(+1.69%)
Aug 04, 2025 3.320 3.700 3.320 3.540 225,154 +0.24(+7.27%)
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