Laser diode drive circuit

Details Laser diode drive circuit Laser diode drive circuit

H - Electricity

01

S

H01S 5/042 (2006.01) H05B 43/00 (2006.01) H01S 5/0683 (2006.01) H01S 3/096 (1995.01)

Patent

CA 2146555

The lasing output of a laser diode (1) is controlled by the current through the diode (1). The laser diode (1) is driven by a switched mode drive circuit in which a pulsed signal is applied to a smoothing circuit, typically including a capacitor C and an inductor L, arranged to provide a smoothed output voltage whose magnitude depends on the pulse width of the drive signal.

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