Simple Circuit Drives, Manages Laser Diode's Output (.PDF Download)

Jan. 15, 2016

This circuit was designed to meet a medical application’s requirement to drive a laser diode with reasonable precision and a minimum of components and footprint (the device is now in clinical trials). These diodes are prone to short- and long-term drifts due to temperature changes and aging. Since they’re usually driven from a constant-current (CC) source, their optical output power is monitored and the current adjusted due to varying output power...

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