Design of Rectangular Transmission Gratings Fabricated in LiNbO3 for High-Power Terahertz-Wave Generation

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概要

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• Precise parameters are investigated for rectangular transmission gratings fabricated in a LiNbO3 substrate for high-power terahertz-wave generation. Here, a simple setup is considered, where the pumping laser is injected into the grating surface from air or fused silica. The maximum diffraction efficiencies are 0.4 for air and 0.9 for fused silica. The designed gratings have deep grooves with a depth of about 0.5 μm and a width of 0.12–0.14 μm. It was found that the diffraction efficiency is much less sensitive to the groove depth than to the groove width.

• 2010-12-25

著者

• Nagashima Keisuke

  Quantum Beam Science Directorate And Kansai Photon Science Institute Japan Atomic Energy Agency

• Kosuge Atsushi

  Quantum Beam Science Directorate, Kansai Photon Science Institute, Japan Atomic Energy Agency, 8-1-7 Umemidai, Kizugawa, Kyoto 619-0215, Japan

関連論文

• Design of Rectangular Transmission Gratings Fabricated in LiNbO3 for High-Power Terahertz-Wave Generation
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• Erratum: ``Design of Rectangular Transmission Gratings Fabricated in LiNbO3 for High-Power Terahertz-Wave Generation''

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