Double blazed binary diffraction optical element beam splitter

Details Double blazed binary diffraction optical element beam splitter Double blazed binary diffraction optical element beam splitter

1993-12-23

1996-07-16

Dzierzynski, Paul M.

Optical: systems and elements

Diffraction

From grating

359571, 359117, G02B 508, H04J 1400

Patent

active

055372520

ABSTRACT:
A double blazed binary diffractive optical element beam splitter having alternating and opposing individual blazed diffraction gratings upon a multilevel surface relief phase grating structure for splitting an incident monochromatic light beam into a first and second diffracted light beams. The double blazed binary diffractive optical element and two single blazed binary diffractive optical elements can form either a beam splitting apparatus or a beam combining apparatus. Double blazed binary diffractive optical elements and sets of two single blazed binary diffractive optical elements can form beam splitting and combining apparatuses to produce a single beam or two closely spaced beams.

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