Tunable laser source, and method for preventing occurrence...

Details Tunable laser source, and method for preventing occurrence... Tunable laser source, and method for preventing occurrence...

H - Electricity

01

S

H01S 5/065 (2006.01) H01S 5/14 (2006.01) H01S 5/06 (2006.01) H01S 5/0687 (2006.01)

Patent

CA 2390672

A tunable laser source for continually changing the wavelength of output light by means of changing the length of an external cavity of an external cavity-type semiconductor laser light source section includes laser diode current control section 7, 8 for controlling a drive current supplied to a laser diode 1 as section for changing the length of the external cavity for preventing occurrence of mode hopping which arises as a result of continual changes in the wavelength of output light.

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