Calibrated feedback for laser diodes

Details Calibrated feedback for laser diodes Calibrated feedback for laser diodes

H - Electricity

01

S

356/198, 324/3,

H01S 3/10 (2006.01) G11B 7/125 (2006.01) H01S 5/0683 (2006.01)

Patent

CA 1222793

ABSTRACT OF THE DISCLOSURE Two thick film resistors calibrate the output of the feedback light detector circuit for monitoring the light power of a laser diode. The output is connected to the power control circuit for the laser diode. Calibration of the feedback output during manufacture permits replacement of the laser diode/feedback light detector combination in the field without recalibration of the power control circuit.

469766

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