The laser driver LD-SMART was developed to operate our laser modules ELM1064, ELM1064HP as well as ELM532 and others. The driver contains up to three PID temperature controllers to stabilize the temperature of the laser diode, the laser crystal and the doubling crystal. Depending on the application, a laser diode can either be integrated in the driver or operated outside the driver. With the help of the LD-SMART, a laser diode can be operated in CW mode or pulsed. The modulation of the laser diode is done either with the help of the clock integrated in the driver or with the help of external trigger signals. The external modulation can be done via an analogue signal or via a corresponding TTL signal. User-friendly software is available to operate the driver via USB or Bluetooth.