Pulse/QCW Diode Driver

STJ Series QCW Laser Diode Drivers

The QCW Laser diode driver is specially designed for various QCW laser diodes at the compact size and modularization. It adopts the latest modern power electronic devices, high-speed microprocessor (MPU) program control technology, and low-power linear modulation technology (with extremely low ripple). It has excellent voltage and current output characteristics. No overshoot, no kickback, no surge and low noise when operation. It has perfect multiple protection functions, and has reliable protection for laser diode. The adjustment and control of current parameters can be selected by local and computer (setting by software). In addition, the driver also has alarm signal settings. (eg. water pressure alarm, for shutdown protection). The driver adopts 240x128 dot matrix graphic LCD or 16 bit "8" digital tube display, simple menu mode display, membrane button, and has friendly user interface and fault diagnosis function. And TEC for precision maintaining the temperature on peiltier element (TEM) is also an optional.

The QCW laser diode driver is an excellent choice for laser equipment manufactures and research institute. It can set the temperature parameters independently and you can also set the temperature on the LCD only via a serial line to connect to the laser driver.

Features:

• Ideal rectangle output pulse current waveform;

• The max output voltage 50V (adaptive load)

• Adaptive load, real-time display of actual voltage;

• 0-150A (The output current is continuously adjustable), QCW output;

• Pulse frequency 1-2000Hz (adjustable). The Max 5kHz (When the duty cycle =50%, need to customized);

• Pulse width 20-500us (adjustable) (Need to customized if the pulse width >1000us);

• Pulse duty cycle 0-25% (max) adjustable.( Need to customized if the duty cycle >25%);

• Local & computer control for the pulse current;

• Local & computer control for the pulse frequency;

• Local & computer control for the pulse width;

• Local and computer control for power on / off;

• A 400million times counting ability pulse counter PC, which is used to count the output pulse (only for Y1 and Y2 models);

• High speed ,rapidly adjusted the current value of each pulse one by one;

• Delay synchronization signal output with 0-6000us delay and adjustment step size at 1us;

• With input alarm signal (eg. water pressure alarm, for shutdown protection);

• Over heat, over current protections;

• High stability, high anti-interference and low noise;

• 240x28 dot matrix graphic LCD or 16 bit "8" digital tube display, to show setting current, actual current, voltage and power, simple menu / mode display, membrane button

• User friendly interface, fault diagnosis function

• With perfect PID control software, intelligent step-less temperature control on both heating and cooling, TEC laser diode driver is an good optional for better laser performance and compact size for the user.

• We can customize the driver according to customer’s requirements.

Remarks:

• If you need 110VAC input power supply, please inform us when ordering

• We have four sizes of the drivers W×L×H＝304×295×88mm (Y1, S1);W×L×H＝425×310×88mm (Y2, S2);

• Above drivers are our standard models. We can also customize according to customer’s parameters.

• We can customized the driver with adjustable pre-current (It is also known as preheating current, maintaining current, base current).