Laser Diode Controllers
At a Glance
100mA to 4 Amps
60 Watt TEC
Low noise, dual range
Advanced laser protection
Computer Interface
Easy to Use, Easy to Configure
Like all our products, you’ll nd the user interface is easy to
setup and use. A dot-pixel character display allows for human-
readable status, readings, and errors. No longer do you need to
get out the manual to gure out how to set the current limit, or
to understand what error 114 is; you can read it directly on the
display in plain English. Want to see big numbers from across
the room? No problem. Want to see actual versus set point,
voltage, and current…all at once? You can do that, too. With
a congurable display you can make the instrument work the
way you want it to. Its compact form factor means the
Combo-
Source
takes up less room on your test bench, and the USB and
RS232 computer interfaces make it easy to integrate into your
existing test systems.
User Function Keys
The user function keys can be used to quickly select dierent
conguration states or execute a predened set of commands.
Switch between two dierent experiments or script repetitive
actions
…anything you can do manually with the instrument
can be programmed to the function key.
High Performance Temperature Control
In addition to being an excellent laser driver, the Combo-
Source also functions as a high performance temperature
controller. Sixty watts of output power and fully adjustable PID
control make it suitable for a wide range of applications.
Enhanced QCL Capabilities
The 6310-QCL and 6340-QCL Controllers provide a few key
capabilities that optimize the controller for QCL application.
Most importantly, the driver oers the higher compliance volt-
ages typical of QCL lasers. In addition, wave number tables can
be created and downloaded to the controller, allowing simple
operation by wave number and letting the controller manage
the necessary current and voltage.
Dual Range Operation & 4-Wire Sense
The ComboSource features dual current operating ranges for
improved noise and accuracy for lower current applications
without sacricing headroom for your more power powerful
devices. The ComboSource also has 4-wire sensor for accurate
device voltage measurements. This eliminates voltage errors
caused by cable and connector resistances.
Full Isolation Means No Ground Loops
Beyond the expected laser protection features, the Com-
boSource adds something unique to the Arroyo family of
products: optical isolation of the modulation and photo diode
inputs (the computer interfaces are also isolated). This protects
against unwanted ground loops and other electrical distur-
bances that can plague traditional instruments and damage
lasers. No other driver on the market has this capability.
Independent, Isolated Outputs
With multiple, independent power supplies, the ComboSource
operates the laser and temperature controller outputs fully
independent of each other, with full electrical isolation.
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