{"id":12022,"date":"2025-07-29T08:02:45","date_gmt":"2025-07-29T07:02:45","guid":{"rendered":"https:\/\/visegradpost.com\/?p=12022"},"modified":"2025-07-27T15:56:34","modified_gmt":"2025-07-27T14:56:34","slug":"theyre-aiming-for-the-sky-chinas-giant-laser-crystal-sparks-alarms-over-potential-satellite-killing-space-weapon","status":"publish","type":"post","link":"https:\/\/visegradpost.com\/en\/2025\/07\/29\/theyre-aiming-for-the-sky-chinas-giant-laser-crystal-sparks-alarms-over-potential-satellite-killing-space-weapon\/","title":{"rendered":"“They\u2019re Aiming for the Sky”: China\u2019s Giant Laser Crystal Sparks Alarms Over Potential Satellite-Killing Space Weapon"},"content":{"rendered":"
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IN A NUTSHELL<\/strong><\/td>\n<\/tr>\n
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  • \ud83d\udd2c Chinese scientists have developed the world\u2019s largest barium gallium selenide (BGSe) crystal<\/strong>, enhancing laser systems and infrared technologies.<\/li>\n
  • \ud83d\udca1 The crystal withstands laser energy up to 550 megawatts per square centimeter<\/strong>, surpassing most military-grade materials.<\/li>\n
  • \ud83d\ude80 Potential applications include directed-energy weapons<\/strong> and civilian uses like medical imaging and missile tracking.<\/li>\n
  • \ud83c\udf0d This breakthrough raises questions about global technological competition<\/strong> and the responsible use of advanced technologies.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

    The development of the world’s largest barium gallium selenide (BGSe) crystal represents a significant leap in both military and civilian technologies. Created by researchers at the Hefei Institutes of Physical Science under the Chinese Academy of Sciences, this innovation is poised to revolutionize long-range laser systems and infrared sensing technologies. With a diameter of 2.36 inches, this crystal can withstand immense laser energies, making it a formidable asset in various applications. As China continues to advance its technological capabilities, the implications of such breakthroughs extend beyond borders, raising questions about global security and technological parity.<\/p>\n

    World\u2019s Largest BGSe Crystal<\/h2>\n

    The creation of the world’s largest BGSe crystal marks a monumental achievement in material science. Capable of withstanding laser energy up to 550 megawatts per square centimeter, this crystal surpasses the durability of most existing military-grade materials by a significant margin. Such resilience opens new possibilities for ultra-high-power laser applications, which previously suffered from internal damage issues. For instance, a 1997 US Navy test saw a mid-infrared laser damaging its components while targeting a satellite. The research team, led by physicist Wu Haixin, highlighted this achievement in a peer-reviewed paper, emphasizing the global significance of their work. The crystal’s journey began in 2010, and despite efforts by Western labs, replicating this material on a large scale remains elusive. The intricate process of producing such a stable crystal involves high-purity materials and precise thermal conditions, illustrating the expertise required to achieve this breakthrough.<\/p>\n

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