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Digital Laser Diode Drivers

Photonics.com
Jun 2012
Portable Power Systems Inc.Request Info
 
ST. LOUIS, June 20, 2012 — Portable Power Systems Inc. has expanded its line of digital laser diode drivers with the introduction of the PPS series.

The drivers are offered as continuous-wave, pulsed or CW/pulsed versions. The pulsed models have rise times of <10 s, and the CW versions reach maximum current in <100 s. Voltages up to 250 V and currents up to 500 A are available. All units have electrically erasable programmable read-only memory that allows the user to store and recall up to 16 sets of parameters such as current, pulse width and frequency on pulsed units, and current on CW units.

Communications can be from the front panel, analog, RS-232 or USB, and an optional graphical user interface also is available. Fault alerts include open load, overvoltage, overcurrent, laser overtemperature (optional), driver overtemperature, remote interlock, coolant interlock and emergency stop.

The drivers provide a sync output and current monitor BNC output connector on the rear panel. Some drivers are equipped with automatic compliance voltage adjust through PPS proprietary software, which senses the number of laser diodes or laser diode bars and adjusts the compliance voltage to operate the laser with maximum efficiency. Most units have universal input power supplies that allow worldwide operation, and all have a two-year warranty.


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