
Laser Diode Drivers
Model Current Voltage Accuracy Noise BW QCW
4201-DR 100 mA 10 V 0.025% + 0.03 mA < 1 uA 325 kHz No
4205-DR 500 mA 10 V 0.025% + 0.12 mA < 1.5 uA 325 kHz No
4210-DR 2 A 5 V 0.025% + 0.5 mA < 15 uA 150 kHz No
The 4200-DR Series LaserSource laser driver is an excellent solution for low power
applications, such as butterfly and TO-can lasers, as well as many LED applications. It's
compact enclosure means it takes up very little of your workspace, and it offers an
4200-DR Series LaserSource
excellent value. We have many customers that have switched to the 4200 after years of using other products, and discovered what
we've said, which is why spend significantly more when you can get the same performance for fraction of the price?
The LaserSource has features you would expect from a laser driver, such as safety interlock, ESD protection, and hardware limit
circuits for current and voltage. In addition, the LaserSource has unique features not found on competing products including optically
isolated photodiode and modulation inputs, programmable PD bias, and a constant voltage control mode.
●
100mA, 500mA, and 2,000mA models available
●
High stability / low noise
●
High accuracy
●
Constant current, constant power and constant voltage operating modes
●
Large, clear VFD display easily viewable with laser goggles
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Advanced laser diode protection
●
USB computer interface
●
Command set compatibility with Newport and ILX controllers
Model Current Voltage Accuracy Noise BW QCW
4302 2 A 15 V 0.05% + 0.4 mA < 20 uA 65 kHz No
4302-QCW 2 A 15 V 0.05% + 0.4 mA < 20 uA 65 kHz Yes
4304 4 A 8 V 0.05% + 0.8 mA < 30 uA 50 kHz No
4304-QCW 4 A 8 V 0.05% + 0.8 mA < 30 uA 50 kHz Yes
4308 8 A 5 V 0.05% + 1.6 mA < 60 uA 40 kHz No
4308-QCW 8 A 5 V 0.05% + 1.6 mA < 60 uA 40 kHz Yes
4320 20 A 5 V 0.05% + 4 mA < 5 mA 10 kHz No
4320-QCW 20 A 5 V 0.05% + 4 mA < 5 mA 10 kHz Yes
The 4300 Series LaserSource laser driver is an excellent solution for medium power
applications, such as high power pump lasers, freespace lasers, and high power fiber-
pigtailed devices. It would also fit well with many of the high power LED devices. It's
compact enclosure means it takes up very little of your workspace, and it's price offers an
excellent value. We have many customers that have switched to the 4300 after years of
using other products, and discovered what we've said, which is why spend significantly
4300 Series LaserSource
more when you can get the same performance for fraction of the price?
The LaserSource has features you would expect from a laser driver, such as safety interlock, ESD protection, and hardware limit
circuits for current and voltage. In addition, the LaserSource has unique features not found on competing products including optically
isolated photodiode and modulation inputs, programmable PD bias, and a constant voltage control mode.
The 4300 also offers an optional Quasi-CW (QCW) mode, a feature only found on units costing several times as much. With QCW
mode, you can operate the device at a low duty cycle, which mitigates the thermal loading on the device and allows you to run at
higher output powers than would otherwise be achievable with CW operation. With the special measurement circuitry in the 4300,
measurements can be taken even in QCW mode, something not possible when externally triggering a laser driver using a squarewave
input on the modulation port.
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2A, 4A, 8A, and 20A models available
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Standard compliance voltages as high as 15V (call for higher voltages)
●
High stability / low noise
●
High accuracy
●
Constant current, constant power and constant voltage operating modes
●
Large, clear VFD display easily viewable with laser goggles
●
Advanced laser diode protection
●
USB / RS-232 computer interfaces
●
Command set compatibility with Newport and ILX controllers
CHAPTER
2
LASERS
http://www.onset-eo.com
2-59
He-Ne Lasers Argon-lon Lasers He-Cd Lasers CO
2
Lasers Ultra Fast Lasers DPSS Lasers Fiber Coupled Lasers Diode Lasers LD & Controllers IR Light Sources
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