G - Physics – 02 – F
Patent
G - Physics
02
F
G02F 1/01 (2006.01) G01N 21/25 (2006.01) G02B 6/12 (2006.01) G02B 6/122 (2006.01) G02B 6/34 (2006.01) H04J 14/02 (2006.01)
Patent
CA 2428973
An optical element using one-dimensional photonic crystal according to the invention includes a multilayer film, which is achieved by an element processed into a triangular prism shape. A phase modulation unit is provided so as to be adjacent or abutting to a light input end surface of the optical element. Input light is phase-modulated by the phase modulation unit in the same period and direction as those of photonic crystal so that only specific high-order band light can be propagated through the optical element. When this optical element is formed in an optical waveguide, a small-size spectroscopic device having high resolving power can be provided.
Asai Takahiro
Kittaka Shigeo
Nara Masatoshi
Oya Kazuaki
Tsunetomo Keiji
Nippon Sheet Glass Co. Ltd.
Riches Mckenzie & Herbert Llp
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