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.

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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

Surge Copper Corp (OP:SRGXF)

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Date Open High Low Close Volume Change (%)
Oct 10, 2025 0.1981 0.2000 0.1860 0.1870 103,117 -0.01(-4.20%)
Oct 09, 2025 0.2149 0.2180 0.1890 0.1952 72,457 -0.02(-9.75%)
Oct 08, 2025 0.2023 0.2176 0.1947 0.2163 223,182 +0.03(+15.05%)
Oct 07, 2025 0.1750 0.1900 0.1740 0.1880 288,895 +0.01(+5.03%)
Oct 06, 2025 0.1864 0.1874 0.1761 0.1790 179,416 -0.00(-2.19%)
Oct 03, 2025 0.1980 0.1980 0.1790 0.1830 20,936 -0.00(-2.19%)
Oct 02, 2025 0.1841 0.1871 0.1687 0.1871 113,865 +0.01(+7.04%)
Oct 01, 2025 0.1860 0.1920 0.1721 0.1748 98,538 -0.01(-2.89%)
Sep 30, 2025 0.1905 0.1905 0.1690 0.1800 244,637 -0.01(-7.64%)
Sep 29, 2025 0.1845 0.1988 0.1820 0.1949 73,738 +0.02(+10.86%)
Sep 26, 2025 0.1540 0.1758 0.1515 0.1758 556,021 +0.03(+21.83%)
Sep 25, 2025 0.1508 0.1508 0.1429 0.1443 18,754 -0.01(-3.80%)
Sep 24, 2025 0.1463 0.1573 0.1463 0.1500 21,850 -0.01(-4.64%)
Sep 23, 2025 0.1620 0.1725 0.1497 0.1573 250,493 -0.01(-8.55%)
Sep 22, 2025 0.1620 0.1749 0.1620 0.1720 166,000 +0.01(+3.80%)
Sep 19, 2025 0.1641 0.1657 0.1550 0.1657 116,535 -0.00(-2.53%)
Sep 18, 2025 0.1468 0.1720 0.1350 0.1700 588,270 +0.03(+23.91%)
Sep 17, 2025 0.1281 0.1446 0.1281 0.1372 215,429 +0.01(+4.81%)
Sep 16, 2025 0.1298 0.1312 0.1251 0.1309 112,858 +0.00(+3.72%)
Sep 15, 2025 0.1269 0.1269 0.1223 0.1262 26,830 +0.01(+7.13%)
Sep 12, 2025 0.1163 0.1254 0.1163 0.1178 42,930 -0.00(-0.34%)
Sep 11, 2025 0.1257 0.1277 0.1154 0.1182 145,301 -0.00(-2.72%)
Sep 10, 2025 0.1216 0.1216 0.1176 0.1215 10,025 +0.00(+3.40%)
Sep 09, 2025 0.1168 0.1202 0.1138 0.1175 119,709 -0.00(-0.17%)
Sep 08, 2025 0.1196 0.1204 0.1067 0.1177 399,604 +0.00(+2.88%)
Sep 05, 2025 0.1100 0.1202 0.1100 0.1144 223,500 +0.00(+1.24%)
Sep 04, 2025 0.1165 0.1195 0.1130 0.1130 61,802 -0.01(-9.96%)
Sep 03, 2025 0.1340 0.1340 0.1255 0.1255 35,000 -0.01(-6.83%)
Sep 02, 2025 0.1314 0.1398 0.1279 0.1347 70,168 -0.00(-2.53%)
Aug 29, 2025 0.1362 0.1400 0.1360 0.1382 29,800 +0.00(+3.29%)
Aug 28, 2025 0.1292 0.1350 0.1288 0.1338 36,650 -0.00(-0.59%)
Aug 27, 2025 0.1302 0.1346 0.1260 0.1346 126,038 +0.01(+6.83%)
Aug 26, 2025 0.1272 0.1272 0.1240 0.1260 90,000 +0.00(+1.04%)
Aug 25, 2025 0.1227 0.1286 0.1220 0.1247 131,420 +0.00(+2.72%)
Aug 22, 2025 0.1199 0.1214 0.1163 0.1214 85,083 -0.00(-0.16%)
Aug 21, 2025 0.1130 0.1237 0.1130 0.1216 27,650 +0.02(+15.04%)
Aug 20, 2025 0.1055 0.1090 0.1009 0.1057 80,000 +0.00(+0.28%)
Aug 19, 2025 0.1059 0.1059 0.1054 0.1054 3,600 -0.00(-0.09%)
Aug 18, 2025 0.1045 0.1102 0.0999 0.1055 280,101 +0.00(+3.43%)
Aug 15, 2025 0.1117 0.1156 0.1020 0.1020 15,600 -0.00(-2.86%)
Aug 14, 2025 0.1131 0.1131 0.1050 0.1050 20,000 -0.01(-9.01%)
Aug 13, 2025 0.1149 0.1154 0.1108 0.1154 35,800 +0.00(+2.49%)
Aug 12, 2025 0.1090 0.1126 0.1090 0.1126 72,029 +0.00(+3.21%)
Aug 11, 2025 0.1077 0.1091 0.1047 0.1091 73,001 -0.00(-0.82%)
Aug 08, 2025 0.1156 0.1183 0.1055 0.1100 270,694 -0.00(-3.68%)
Aug 07, 2025 0.1109 0.1143 0.1109 0.1142 112,500 +0.00(+1.06%)
Aug 06, 2025 0.1144 0.1144 0.1130 0.1130 66,500 -0.00(-2.50%)
Aug 05, 2025 0.1164 0.1164 0.1159 0.1159 12,000 -0.01(-4.21%)
Aug 04, 2025 0.1133 0.1210 0.1133 0.1210 15,000 +0.01(+12.77%)
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