G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 27/30 (2006.01) G02B 6/34 (2006.01) G02B 6/42 (2006.01) G02B 7/00 (2006.01) G02B 6/38 (2006.01)
Patent
CA 2180711
An optical device having a collimating mechanism for converting light emitted from an excitation port into a parallel beam and outputting the parallel beam onto an optical path, an optical film provided so as to pass the parallel beam output from the collimating mechanism, and a supporting mechanism for supporting the optical film so that the optical film is rotatable about an axis inclined with respect to the optical path. The optical film is inclined with respect to a plane perpendicular to the axis. An incident angle of the parallel beam upon the optical film can be changed by rotating the optical film about the axis. Thus, the optical device having the optical film that can vary the incident angle thereupon can be provided with a simple structure.
Fukushima Nobuhiro
Naganuma Norihisa
Fetherstonhaugh & Co.
Fujitsu Limited
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