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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Historical Prices

Date Open High Low Close Volume Change (%)
Sep 26, 2025 4.530 5.000 4.460 4.820 295,360 +4.37(+963.08%)
Sep 25, 2025 0.4500 0.4621 0.4305 0.4534 544,584 -0.01(-2.37%)
Sep 24, 2025 0.5151 0.5151 0.4600 0.4644 788,840 -0.03(-6.18%)
Sep 23, 2025 0.5400 0.5400 0.4950 0.4950 238,582 -0.01(-2.06%)
Sep 22, 2025 0.5200 0.5360 0.5000 0.5054 392,992 -0.01(-1.79%)
Sep 19, 2025 0.5175 0.5210 0.5033 0.5146 622,495 -0.01(-1.62%)
Sep 18, 2025 0.4950 0.5311 0.4705 0.5231 1,089,148 +0.05(+9.55%)
Sep 17, 2025 0.5469 0.5539 0.4775 0.4775 935,725 -0.05(-10.23%)
Sep 16, 2025 0.5399 0.5500 0.5200 0.5319 360,049 +0.01(+1.31%)
Sep 15, 2025 0.5900 0.5900 0.5150 0.5250 1,045,885 -0.05(-8.57%)
Sep 12, 2025 0.5300 0.5792 0.5200 0.5742 1,313,889 +0.04(+7.89%)
Sep 11, 2025 0.5300 0.5498 0.5175 0.5322 1,644,248 +0.02(+4.78%)
Sep 10, 2025 0.5100 0.5199 0.4953 0.5079 770,642 +0.01(+3.02%)
Sep 09, 2025 0.4543 0.5094 0.4543 0.4930 931,348 +0.04(+9.00%)
Sep 08, 2025 0.4500 0.4699 0.4302 0.4523 753,696 +0.01(+1.98%)
Sep 05, 2025 0.4500 0.4654 0.4296 0.4435 881,863 -0.00(-0.94%)
Sep 04, 2025 0.5000 0.5001 0.4407 0.4477 650,510 -0.05(-9.70%)
Sep 03, 2025 0.5100 0.5180 0.4805 0.4958 798,699 -0.01(-1.55%)
Sep 02, 2025 0.5600 0.5600 0.5000 0.5036 1,121,320 -0.05(-8.44%)
Aug 29, 2025 0.5600 0.5659 0.5300 0.5500 1,018,839 -0.02(-2.79%)
Aug 28, 2025 0.6000 0.6000 0.5610 0.5658 722,256 -0.02(-4.15%)
Aug 27, 2025 0.5812 0.6017 0.5522 0.5903 674,174 +0.05(+9.31%)
Aug 26, 2025 0.5800 0.6000 0.5352 0.5400 1,175,592 -0.05(-9.17%)
Aug 25, 2025 0.6008 0.6199 0.5937 0.5945 580,773 -0.01(-1.05%)
Aug 22, 2025 0.5830 0.6300 0.5830 0.6008 634,942 +0.01(+1.83%)
Aug 21, 2025 0.5897 0.6096 0.5600 0.5900 928,793 +0.00(+0.51%)
Aug 20, 2025 0.6100 0.6110 0.5712 0.5870 615,912 -0.02(-3.91%)
Aug 19, 2025 0.6300 0.6375 0.5920 0.6109 655,006 -0.02(-2.41%)
Aug 18, 2025 0.6350 0.6498 0.6100 0.6260 445,263 -0.01(-1.80%)
Aug 15, 2025 0.6300 0.6519 0.6090 0.6375 944,246 -0.01(-1.80%)
Aug 14, 2025 0.6600 0.7200 0.6200 0.6492 1,645,066 -0.00(-0.73%)
Aug 13, 2025 0.6163 0.6854 0.5921 0.6540 824,143 +0.03(+5.50%)
Aug 12, 2025 0.6012 0.6299 0.5846 0.6199 303,821 +0.02(+3.13%)
Aug 11, 2025 0.6300 0.6300 0.5901 0.6011 224,712 -0.00(-0.69%)
Aug 08, 2025 0.6400 0.6410 0.5921 0.6053 952,280 -0.03(-4.53%)
Aug 07, 2025 0.6300 0.6499 0.6300 0.6340 202,848 -0.00(-0.77%)
Aug 06, 2025 0.6460 0.6500 0.6300 0.6389 236,557 -0.01(-1.77%)
Aug 05, 2025 0.6401 0.6600 0.6350 0.6504 399,691 -0.00(-0.25%)
Aug 04, 2025 0.6400 0.6698 0.6370 0.6520 374,871 +0.00(+0.60%)
Aug 01, 2025 0.6400 0.6771 0.6300 0.6481 699,720 -0.01(-0.93%)
Jul 31, 2025 0.6900 0.6900 0.6531 0.6542 468,321 -0.01(-2.07%)
Jul 30, 2025 0.6887 0.6912 0.6622 0.6680 383,675 -0.02(-3.15%)
Jul 29, 2025 0.7275 0.7298 0.6850 0.6897 612,781 -0.04(-5.20%)
Jul 28, 2025 0.7200 0.7398 0.6909 0.7275 732,000 +0.00(+0.21%)
Jul 25, 2025 0.7400 0.7499 0.7219 0.7260 261,947 -0.01(-1.28%)
Jul 24, 2025 0.7200 0.7504 0.6900 0.7354 849,127 +0.02(+3.39%)
Jul 23, 2025 0.6900 0.7169 0.6701 0.7113 505,692 +0.03(+4.63%)
Jul 22, 2025 0.6700 0.6899 0.6400 0.6798 463,598 +0.02(+2.55%)
Jul 21, 2025 0.7016 0.7200 0.6600 0.6629 959,816 -0.02(-3.37%)
Jul 18, 2025 0.7100 0.7190 0.6659 0.6860 1,178,527 -0.03(-4.72%)
Jul 17, 2025 0.7899 0.7920 0.7200 0.7200 850,730 -0.05(-6.49%)
Jul 16, 2025 0.7200 0.7999 0.6514 0.7700 4,142,075 +0.02(+2.65%)
Jul 15, 2025 0.7813 0.8000 0.7501 0.7501 387,537 -0.02(-2.98%)
Jul 14, 2025 0.7700 0.7799 0.7501 0.7731 287,354 +0.02(+2.33%)
Jul 11, 2025 0.7741 0.8050 0.7500 0.7555 418,513 -0.01(-1.88%)
Jul 10, 2025 0.7800 0.8198 0.7700 0.7700 320,835 -0.03(-3.35%)
Jul 09, 2025 0.8199 0.8199 0.7720 0.7967 380,319 +0.03(+3.89%)
Jul 08, 2025 0.8300 0.8600 0.7600 0.7669 687,935 -0.08(-9.79%)
Jul 07, 2025 0.9000 0.8967 0.8285 0.8501 442,659 -0.03(-3.90%)
Jul 03, 2025 0.9001 0.9117 0.8521 0.8846 514,050 -0.02(-2.25%)
Jul 02, 2025 0.8900 0.9200 0.8800 0.9050 499,245 +0.04(+5.09%)
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