发明名称 OPTICAL MODULE AND IMAGING DEVICE
摘要 It is an object of the present invention to provide an optical module which can extract only light components satisfying predetermined conditions, and an imaging device comprising the optical module. The optical module (10) comprises a first plate-like optical element (4) formed with a ¼ wavelength plate portion (1) and a −¼ wavelength plate portion (2) alternately jointed together at a joint portion (3), and a second plate-like optical element (8) formed with a ¼ wavelength plate portion (5) and a −¼ wavelength plate portion (6) alternately jointed together at a joint portion (7), wherein the first plate-like optical element (4) and the second plate-like optical element (8) are parallel, and the ¼ wavelength plate portion (1) of the first plate-like optical element (4) and the −¼ wavelength plate portion (6) of the second plate-like optical element (8) are overlapped across a gap (9).
申请公布号 US2010253827(A1) 申请公布日期 2010.10.07
申请号 US20060159489 申请日期 2006.12.27
申请人 PHOTONIC LATTICE, INC.;RICOH COMPANY, LTD. 发明人 KAWAKAMI SHOJIRO;OGATA TETSUYA
分类号 H04N5/225 主分类号 H04N5/225
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