Power

Laser diodes for material processing & laser cutting applications

24th April 2018
Enaie Azambuja
0

The low noise LD15CHA, the newest addition to the Wavelength laser diode driver line, offers modulation bandwidth, and power for materials processing, industrial laser cutting, and laser diode bars / stacks. The small laser diode driver delivers 15A output current up to 28V. It meets laser compliance requirements from 3V with a single 5V supply, and up to 28V with an additional 30V power supply.

Additional models are available with 2.5A, 5A, and 10A output. This product family supports A & B type laser diodes. Three photodiode current ranges are available.

FEATURES AND BENEFITS
➢ Up to 15A output current
➢ Dual supply operation up to +30VDC (28V maximum to laser)
➢ Constant Current or Constant Power Mode
➢ Bandwidth 600kHz (3dB at Full Current, Constant Current Mode, Sinewave)
➢ Stability: <200ppm (CC) and 0.03% (CP).
➢ RMS Noise Current as low as 35μA at 100kHz
➢ Noise current density: 100nA/√Hz.
➢ Safety:
 initial configurations can be made prior to enabling current to the laser
 adjustable clipping current limit ensures that output current will never exceed the user-set limit
 slow-start and delay circuitry
 brownout protection
 over-/under-voltage protection
➢ Simple wiring using spring-loaded terminal strips
➢ Easily mounted to an optics table or Wavelength heat sink

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