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Diamond mirrors for high-power continuous-wave lasers

Author

Listed:
  • Haig A. Atikian

    (Harvard University)

  • Neil Sinclair

    (Harvard University
    California Institute of Technology)

  • Pawel Latawiec

    (Harvard University)

  • Xiao Xiong

    (Harvard University
    University of Science and Technology of China)

  • Srujan Meesala

    (Harvard University)

  • Scarlett Gauthier

    (Harvard University)

  • Daniel Wintz

    (Harvard University)

  • Joseph Randi

    (Pennsylvania State University Applied Research Laboratory, Electro-Optics Center)

  • David Bernot

    (Pennsylvania State University Applied Research Laboratory, Electro-Optics Center)

  • Sage DeFrances

    (Pennsylvania State University Applied Research Laboratory, Electro-Optics Center)

  • Jeffrey Thomas

    (Pennsylvania State University Applied Research Laboratory, Electro-Optics Center)

  • Michael Roman

    (Dahlgren Division)

  • Sean Durrant

    (Dahlgren Division)

  • Federico Capasso

    (Harvard University)

  • Marko Lončar

    (Harvard University)

Abstract

High-power continuous-wave (CW) lasers are used in a variety of areas including industry, medicine, communications, and defense. Yet, conventional optics, which are based on multi-layer coatings, are damaged when illuminated by high-power CW laser light, primarily due to thermal loading. This hampers the effectiveness, restricts the scope and utility, and raises the cost and complexity of high-power CW laser applications. Here we demonstrate monolithic and highly reflective mirrors that operate under high-power CW laser irradiation without damage. In contrast to conventional mirrors, ours are realized by etching nanostructures into the surface of single-crystal diamond, a material with exceptional optical and thermal properties. We measure reflectivities of greater than 98% and demonstrate damage-free operation using 10 kW of CW laser light at 1070 nm, focused to a spot of 750 μm diameter. In contrast, we observe damage to a conventional dielectric mirror when illuminated by the same beam. Our results initiate a new category of optics that operate under extreme conditions, which has potential to improve or create new applications of high-power lasers.

Suggested Citation

  • Haig A. Atikian & Neil Sinclair & Pawel Latawiec & Xiao Xiong & Srujan Meesala & Scarlett Gauthier & Daniel Wintz & Joseph Randi & David Bernot & Sage DeFrances & Jeffrey Thomas & Michael Roman & Sean, 2022. "Diamond mirrors for high-power continuous-wave lasers," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
  • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-30335-2
    DOI: 10.1038/s41467-022-30335-2
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    References listed on IDEAS

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    1. John H. Martin & Brennan D. Yahata & Jacob M. Hundley & Justin A. Mayer & Tobias A. Schaedler & Tresa M. Pollock, 2017. "3D printing of high-strength aluminium alloys," Nature, Nature, vol. 549(7672), pages 365-369, September.
    2. Morsy, Mohamed H., 2012. "Review and recent developments of laser ignition for internal combustion engines applications," Renewable and Sustainable Energy Reviews, Elsevier, vol. 16(7), pages 4849-4875.
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    1. Nicolas Bonod & Pierre Brianceau & Jérôme Daurios & Sylvain Grosjean & Nadja Roquin & Jean-Francois Gleyze & Laurent Lamaignère & Jérôme Neauport, 2023. "Linear-to-circular polarization conversion with full-silica meta-optics to reduce nonlinear effects in high-energy lasers," Nature Communications, Nature, vol. 14(1), pages 1-10, December.

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