Optical: systems and elements – Having significant infrared or ultraviolet property – Multilayer filter or multilayer reflector
Patent
1990-06-12
1993-08-17
Arnold, Bruce Y.
Optical: systems and elements
Having significant infrared or ultraviolet property
Multilayer filter or multilayer reflector
359490, 359583, 359589, 359834, 358 44, 358 55, G02B 530, G02B 528, G02B 526, G02B 504
Patent
active
052374467
ABSTRACT:
An optical low-pass filter comprising at least two boundary surfaces arranged substantially parallel to each other which can split incident light into two components or reflect it and at least one of which has color dependency, in order to make it possible to be favorably used to an objective optical system for for endoscopes, to have wavelength dependency to response, and to minimize the generation of color moire. The optical low-pass filter is constructed in the form of various shaped prisms and can also have two-dimensional filter characteristics.
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M. Torfeh et al, "Coupling and Phase Matching Coefficients in a Magneto-Optical TE-TM Mode Converter", Physica 89B, (1977) pp. 255-259.
Arnold Bruce Y.
Olympus Optical Co,. Ltd.
Shafer R. D.
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