Optical waveguides – With optical coupler – Plural
Reexamination Certificate
2009-04-14
2010-10-26
Healy, Brian M. (Department: 2883)
Optical waveguides
With optical coupler
Plural
C385S014000, C385S031000, C385S033000, C385S037000, C385S039000, C385S125000, C385S146000, C385S147000, C359S001000, C359S010000, C359S015000, C359S024000, C359S035000, C359S618000, C359S625000, C359S627000, C359S629000, C359S631000, C372S006000, C372S009000, C372S020000, C372S096000, C372S102000, C398S034000, C398S035000, C398S036000, C398S037000, C398S038000, C398S079000, C398S087000, C398S089000
Reexamination Certificate
active
07822304
ABSTRACT:
A laser beam multiplexer capable of easily multiplexing a plurality of laser beams is provided. A laser beam multiplexer includes a multiplexing element having a hollow portion with a sectional elliptical shape, in which the multiplexing element includes: a plurality of light-incident apertures guiding laser beams from outside toward one of two focal points of the hollow portion, a reflective layer arranged on a wall surface of the hollow portion, and multiplexing a plurality of incident laser beams while reflecting the plurality of laser beams, and a light-emitting aperture guiding laser beams multiplexed by the reflective layer toward outside.
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Roland Diehl(Ed.); “High-Power Diode Lasers: Fundamentals, Technology, Applicantions”; p. 310; 2000; Springer-Verlag Berlin Heidelberg New York.
Japanese Office Action dated Jan. 26, 2010; issued in connection with counterpart Japanese Patent Application No. 2008-109138; pp. 1-3.
Healy Brian M.
Lam Hung
Sonnenschein Nath & Rosenthal LLP
Sony Corporation
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