A reflective blazed grating wedge-plate, a new optical element, is proposed and designed.

提出并设计了一种新型光学元件——反射式闪耀光栅楔形平板。

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As the refractive index of the overlay is higher than that of the cladding, the Long Period fiber Grating (LPG) element exhibits high sensitivity.

对于涂覆长周期光纤光栅(LPG)传感元件，涂覆层折射率大于包层折射率时将具有很高的灵敏度。

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This single period layered phase grating, which has been tried out successfully for the first time by our institute, provides a kind of new element for the precision measurements.

由本院精密计量室初试成功的单周期层状位相光栅，为精密测试提供了一种新元件。

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