They are designed to provide precise, stable current for laser diodes with maximum operating currents from 1 to 20 A (see the table to the lower right for details) and excellent temperature stabilization to within 0.002 ☌ over a period of 24 hours. Thorlabs' Combined Laser Diode and TEC Controllers combine the functionality of a LDC4000 series current controller and a TED4015 temperature controller in a single device. The applicable control range depends on the sensor parameters.The TEC current limit is set to a low value before the unit is shipped, and needs to be increased by the user in order to enable thermal regulation.Information on the compatibility of this driver with our QCLs and ICLs can be found on the Drivers tab here. The ITC4002QCL and ITC4005QCL controllers have high compliance voltages designed to support our high-power QCLs.For complete specifications, see the Specs tab.
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