Acta Optica Sinica, Volume. 16, Issue 7, 1010(1996)
Multiple Beams Generation Using Double-Layer Rectangular Phase-Only Gratings
The parameters of several double-layer rectangular phase-only gratings are optimized in order to obtain the beam splitters with high diffraction effieiency and good intensity uniformity. The beam splitters with respectively 2, 3, and 5 fan-out beams and higher than 89% of total diffraction efficiency and less than 5% of intensity nonuniformity are obtained theoretically.
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[in Chinese], [in Chinese]. Multiple Beams Generation Using Double-Layer Rectangular Phase-Only Gratings[J]. Acta Optica Sinica, 1996, 16(7): 1010