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Laser Controller
Product Manuals - https://www.vescent.com/manuals/
The bandwidth of the current servo input is >10 MHz.
Laser On (LED indicator)
Turns ON 5 seconds before laser light turns on. If light is on, laser is on (or will be in <5secs).
Laser ON-Off/Reset (switch)
When the switch is in the Off/Reset position, the laser diode is turned off and the laser is shorted to
ground. When flipped into the On position, the Laser ON (LED indicator) will turn on and 5s later, the
laser will turn on. If the laser diode is turned off from the laser enable or remote interlock, this switch
must to placed into the Off/Reset position and then into the ON position to turn the laser back on.
Neither the laser nor the Laser ON (LED indicator) will turn on if any of the following conditions are
true:
The remote interlock is not engaged
1.
The key interlock is not engaged
2.
The laser diode is shorted
3.
The COARSE CURRENT knob is turned all the way down
4.
If the LED indicator does not turn on when the Laser ON-OFF/Reset switch is
flipped up, make sure both interlocks are engaged and that the COARSE
CURRENT knob is turned up at least half a turn. If the current is set to 0 mA when
you engage the Laser ON switch, the system detects an open circuit (no current
flowing) and indicates an error. Due to the “soft start” circuitry employed in the
current source, you may safely leave the current at its operating setpoint when
engaging and disengaging the Laser ON switch. The soft start limits the ramp
time of the current to the set point to >300 ms.
If the LED indicator turns on for ~5 seconds and then turns off, check your laser
diode connection to see if it is open (or if the diode is backwards).
Laser Out (SMA)
Always power down the D2-105 completely before making
connections to the laser. Never connect or disconnect the
D2-105 to/from a laser with the D2-105 energized.
Always turn off the power supply, make connections to this
device, and then re-energize the power supply. Never
connect this device to a power supply that is switched on
and supplying power.
As with any diode laser and controller, improper usage can
cause irreparable damage to the diode.
The D2-105 Laser Controller is designed for a grounded
cathode only. If the anode of your laser is connected to the
