Acta Optica Sinica, Volume. 4, Issue 12, 1111(1984)
Absolute measurement of grating diffraction efficiency
This paper discribes a new method of measuring absolute diffraction efficiency of a grating. The main advantage is that the measurement precision is increased by using multiple diffraction. The experimental setup and results are given. Under nonoptimum conditions the measurement uncertainty is less than 4×10-3.
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HUANG YONGKAI, ZHUANG DAKUN, XU GENCHUAN. Absolute measurement of grating diffraction efficiency[J]. Acta Optica Sinica, 1984, 4(12): 1111