The LDP-3830 Precision Pulsed Current Source is specifically designed for controlling laser diodes and quantum cascade lasers and is ideal for single-emitter VCSELs or VCSEL arrays. It provides an adjustable peak pulse current of up to 5A with a compliance voltage of up to 20V, adjustable pulse widths from 25 ns to 1 µs, and an adjustable duty cycle from 0.01% to 5.00%. Careful attention to the design provides for highly repeatable pulse-to-pulse amplitude and pulse width. Laser protection features are incorporated in the LDP-3830 including redundant current limits, transient protection, floating outputs, and safety interlocks.
Pulsed current output up to 5 amps
20 V compliance voltage
Adjustable pulse width from 25 ns to 1 us with adjustable duty cycle up to 5%
Laser diode protection including current limits, transient protection, safety interlocks and shorting relay
USB and GPIB computer interfaces
LabVIEW® instrument driver
Features
Precision Pulse Control for Laser Diodes and Quantum Cascade Lasers
The LDP-3830 was designed to provide safe and repeatable pulse current for laser diodes and quantum cascade lasers. The LDP-3830 is capable of delivering up to 5A peak current over a pulse width range of 25 ns to 1 µs with a maximum duty cycle of 5%. To achieve pulse widths of 25 ns with rise times less than 10 ns, the pulse circuitry is contained in the LPB-386 Pulse Board with all control functions being sent from the LDP-3830. For accurate monitoring of laser drive parameters, the LPB-386 Pulse Board has the ability to monitor the current via a switch located on the LPB-386. For quantum cascade laser applications,