LASER DIODE DRIVER POWER SUPPLIES
Description
Product 2004 is a constant current output supply optimised to drive laser diodes and is available in three current ratings. The output can be a single diode or strings of diodes/bars of up to six series diodes. (For strings greater than six please contact factory for advice). The unique 'auto-sense' output circuitry automatically compensates for the number of diodes used maintaining a constant current output. Also, output current is slowly transferred from a low internal resistance of 10 ohms to the diode load. This slow transition takes approximately thee seconds to maximum output and prevents thermal shock to the laser diodes. Shut down follows a similar technique, phasing the load current away from the diode string into the internal resistor before finally turning off. Transient suppression is included. A remote modulation input is available for fast changes of the set DC diode current, within a bounded limit. This wide bandwidth channel can be used for 'process control'.
LASER DIODE DRIVER POWER SUPPLIES
Specifications |
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|---|---|
| Frequency Range: | 0.047-0.063KHz |
| Minimum Pulse Duration: | -- us |
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Frequently Asked Questions
The product can support strings of up to six series diodes. For strings greater than six, please contact the factory for advice.
The product features unique 'auto-sense' output circuitry that automatically compensates for the number of diodes used, ensuring a constant current output.
The output current is slowly transferred from a low internal resistance of 10 ohms to the diode load, taking approximately three seconds to reach maximum output. This prevents thermal shock to the laser diodes.
Yes, the product has a remote modulation input that allows for fast changes of the set DC diode current within a bounded limit. This feature can be used for 'process control'.
The product has full galvanic isolation from the line and low voltage control circuitry and wiring. The output is fully floating. It is recommended to connect the positive lead to earth if required. The build standards comply with EN61010-1.