Polarizing Optical Element, Optical Low Pass Filer and Photographing Apparatus
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United States of America Patent
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Issued Date -
Nov 13, 2014
app pub date -
May 2, 2014
filing date -
May 8, 2013
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Abandoned
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Abstract
A polarizing optical element comprising a multdayer film in which two or more types of polymeric films are laminated, wherein a number of laminated polymeric films is 500 to 500,000 in total, each of the two or more types of polymeric films has a uniform refractive index and has a film thickness of 0.2 μm to 40 μm, and a difference in refractive index between the two or more types of polymeric films is larger than or equal to 0.05.
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