Optical resonant device

Details Optical resonant device Optical resonant device

H - Electricity

01

S

345/46

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

Patent

CA 1303710

ABSTRACT (reference Fig 3) An optical resonant device An optical resonant device comprises a laser diode (14), a graded-index collimating lens (11) and a prism grating (17). The lens (11) is rigidly connected to the prism grating (17) coarse tuning by adjustment of the angle of incidence of light on the grating (17) is achieved by laterally offsetting the laser (14) relative to the central optical axis C of the lens (11). The grating (17) is angled relative to the optical axis C so that the tuned position of the laser (14) is at or close to the optical axis C.

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