External cavity semiconductor laser

Details External cavity semiconductor laser External cavity semiconductor laser

H - Electricity

01

S

H01S 3/109 (2006.01) H01S 3/098 (2006.01) H01S 5/14 (2006.01) H01S 3/08 (2006.01) H01S 5/06 (2006.01)

Patent

CA 2049943

2049943 9013161 PCTABS00002 An external cavity semiconductor laser (10) comprising a resonance cavity (12, 16) coupled to a diode laser (11). The cavity may contain a lens (14) or lens system (14, 24) or may be constructed as an optical waveguide (30). The external cavity (12, 16) may also contain a nonlinear optical material (32) to produce light of a frequency which is higher than that produced by the semiconductor laser. The use of an external cavity (12, 16) insures the single mode and/or single frequency operation of the semiconductor laser (10).

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