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discover the best tips and must-try dishes to fully enjoy europe's vibrant street food scenes, from bustling markets to hidden local favorites.
How to enjoy europe’s street food scenes
discover essential tips for solo travel across europe to make your journey safe, enjoyable, and unforgettable. from planning to exploring, learn how to navigate europe on your own with confidence.
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discover hidden european islands you need to visit, featuring secluded beaches, charming villages, and untouched natural beauty for your next unforgettable adventure.
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“World’s Largest Laser Crystal Unveiled” as Experts Warn China Could Use It to Target and Disable Satellites in Orbit

Chinese scientists have unveiled the world’s largest barium gallium selenide crystal, a breakthrough poised to revolutionize laser technology and significantly impact both military and civilian applications.
Gabriel CruzGabriel Cruz01/08/202511
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Illustration of powerful lasers emerging from the new laser system on Unit Telescope 4 of ESO's Very Large Telescope.
Illustration of powerful lasers emerging from the new laser system on Unit Telescope 4 of ESO's Very Large Telescope.
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IN A NUTSHELL
  • 🔬 Chinese scientists have developed the world’s largest barium gallium selenide (BGSe) crystal, enhancing laser capabilities significantly.
  • 💥 The crystal can withstand up to 550 megawatts per square centimeter, making it ideal for ultra-high-power laser applications.
  • 🌐 This breakthrough has potential military and civilian applications, including medical imaging and advanced infrared detection systems.
  • 🛰️ The development aligns with China’s expanding interest in directed-energy weapons and space-based defense technologies.

In a remarkable development, Chinese scientists have unveiled the world’s largest barium gallium selenide (BGSe) crystal, a technological advancement poised to significantly enhance long-range laser systems and infrared sensing technologies. Developed by researchers at the Hefei Institutes of Physical Science under the Chinese Academy of Sciences, this synthetic crystal measures 2.36 inches in diameter and holds the potential to redefine laser applications globally. Capable of withstanding intense laser energy of up to 550 megawatts per square centimeter, the crystal’s durability offers unprecedented opportunities for military and civilian use. This breakthrough is the culmination of a decade-long effort, marking a pivotal moment in the field of synthetic crystals.

World’s Largest BGSe Crystal

The newly developed BGSe crystal stands out for its remarkable ability to endure intense laser energy, boasting a damage threshold of 550 megawatts per square centimeter. This durability is almost tenfold compared to most current military-grade materials. Such resilience makes the crystal ideal for applications in ultra-high-power laser systems, overcoming challenges that have traditionally plagued similar endeavors. For instance, a 1997 U.S. Navy test involving a mid-infrared laser ended in failure due to damage to its components. The development of this crystal not only addresses such limitations but also represents the largest known specimen globally, as noted by physicist Wu Haixin and his team in a recent peer-reviewed paper.

The discovery of BGSe dates back to 2010 when Chinese scientists first introduced the material, capturing the attention of global defense researchers. Despite concerted attempts by Western laboratories, replicating the material on a large scale has proven elusive. The process of producing such a stable and large crystal involves exceptional precision. Starting with high-purity barium, gallium, and selenium, these elements are sealed in quartz tubes and subjected to vacuum conditions. The mixture is heated in a dual-zone furnace, forming a molten region that slowly cools over a month to form the crystal, requiring meticulous environmental control.

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Powerful Laser Systems

Once formed, the BGSe crystal undergoes a series of rigorous processes to ensure its optical clarity and structural integrity. It is annealed at 932 degrees Fahrenheit for several days before being cooled meticulously to prevent defects. The surfaces are polished to achieve the necessary quality for laser applications. This intricate process poses several challenges, such as removing oxygen and moisture and maintaining precise temperature controls. Despite these complexities, the crystal’s development aligns with China’s growing focus on directed-energy weapons and space-based defense systems.

While the researchers have not explicitly confirmed military applications, the timing of this advancement coincides with China’s strategic interests in these areas. The crystal’s potential for use in laser systems capable of transmitting through atmospheric windows suggests possible applications in targeting satellites or other distant objects. In addition to military uses, the researchers highlight potential civilian applications, including medical imaging and advanced infrared detection systems for missile tracking and aircraft identification.

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Civilian Applications and Global Impact

The implications of this breakthrough extend beyond military and defense sectors. The BGSe crystal’s performance surpasses other non-weapon laser optics, offering promising applications in various civilian fields. For instance, medical imaging could benefit from the crystal’s ability to convert short-wave infrared lasers into mid- to far-infrared beams, facilitating clearer imaging through atmospheric interference. Similarly, the crystal’s properties could enhance hypersensitive infrared detection systems, providing improved accuracy in missile tracking or aircraft identification.

Compared to other large-scale laser systems, such as the ZEUS laser at the University of Michigan, which utilizes a titanium-doped sapphire crystal nearly 7 inches in diameter, the BGSe crystal represents a significant advancement in terms of production time and efficiency. The rapid development of this crystal, completed in a fraction of the time required for the ZEUS laser, underscores the potential for swift advancements in laser technology.

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Challenges and Future Prospects

Despite the promising applications of the BGSe crystal, numerous challenges remain in its production and refinement. Ensuring consistent crystal quality throughout each stage of growth and addressing technical challenges such as oxygen and moisture removal require ongoing research and development. As China integrates these newly developed crystals into various research programs, the global scientific community will closely monitor the potential implications for both military and civilian applications.

The development of the BGSe crystal raises important questions about the future of laser technology and its potential impact on global security dynamics. As countries worldwide seek to harness the power of advanced laser systems, how will this influence international relations and the balance of power in the coming decades?

This article is based on verified sources and supported by editorial technologies.

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China's Military Directed-Energy Weapons Laser Technology
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Gabriel Cruz
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Gabriel Cruz is a U.K.-based journalist at Visegrád Post, where he has reported for five years on politics, society, environmental affairs, and global developments. Trained in journalism in London, he combines sharp analysis with a strong commitment to justice and sustainability. His work explores the forces shaping our era, from shifting power dynamics to planetary challenges. Contact: [email protected]

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View 11 Comments
11 Comments
  1. christina_equinox on 01/08/2025 09:08

    Wow, that’s a huge crystal! How long did it take to grow it? 🌟

    Reply
  2. Sebastian on 01/08/2025 09:35

    Could this laser crystal be used for peaceful purposes like medical imaging? It sounds promising. 🤔

    Reply
  3. matildagriffin on 01/08/2025 10:03

    Another step in the arms race… when will we learn? 😞

    Reply
  4. Sophia on 01/08/2025 10:33

    Isn’t it a bit scary that this could be used to disable satellites? What about international regulations?

    Reply
  5. samanthagriffin on 01/08/2025 11:01

    Just another reason to look up at the night sky with wonder and fear! ✨

    Reply
  6. valerie on 01/08/2025 11:29

    How does this compare to the ZEUS laser at the University of Michigan?

    Reply
  7. cedricequinox on 01/08/2025 11:57

    The future of warfare is getting more Star Wars-like by the day! 🚀

    Reply
  8. carolvenus on 01/08/2025 12:25

    Can the crystal’s production process be scaled up for widespread use?

    Reply
  9. yusuf on 01/08/2025 12:53

    This is both exciting and terrifying. What’s next, laser swords?

    Reply
  10. elisamysticism on 01/08/2025 13:21

    Great article! Appreciate the detailed explanation of the crystal growth process.

    Reply
  11. Arnold8 on 01/08/2025 13:49

    Why is China the only country able to make this crystal? What’s their secret?

    Reply
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News, investigations, and analysis — our top stories every morning to start your day right.

discover the best tips and must-try dishes to fully enjoy europe's vibrant street food scenes, from bustling markets to hidden local favorites.
How to enjoy europe’s street food scenes
discover essential tips for solo travel across europe to make your journey safe, enjoyable, and unforgettable. from planning to exploring, learn how to navigate europe on your own with confidence.
Tips for solo travel across europe
discover hidden european islands you need to visit, featuring secluded beaches, charming villages, and untouched natural beauty for your next unforgettable adventure.
Hidden european islands you need to visit
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