... 光学元件（Optical components） 体全息光栅（Volume holographic grating VHG） 脉冲展宽器/脉冲抑制器（Pulse stretcher/compressor filters） ...
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First, the properties of volume holographic grating, such as diffraction efficiencies, angle and wavelength selectivity, have been theoretically analyzed by using the couple-wave theory.
首先应用耦合波理论对体全息光栅的衍射效率以及角度选择性和波长选择性等衍射特性进行了分析。
参考来源 - 光折变自选通光开关技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
体全息光栅由球面信号光波和平面参考光波干涉记录，并以原信号光作为探测光波进行成像。
Volume holographic grating, used as a volume holographic imaging lens in the imaging system, is recorded via illuminating the recording medium with a spherical signal beam and a plane reference beam.
体全息光栅的读出偏离布拉格条件时，衍射光方向的确定是体光栅耦合波理论中的一个重要问题。
When a volume holographic grating is readout under off-Bragg condition, determining the direction of the diffracted beam is an important issue in the coupled-wave theory of volume gratings.
首先应用耦合波理论对体全息光栅的衍射效率以及角度选择性和波长选择性等衍射特性进行了分析。
First, the properties of volume holographic grating, such as diffraction efficiencies, Angle and wavelength selectivity, have been theoretically analyzed by using the couple-wave theory.
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