LEDs & LDs

LDC205C, Benchtop LD Current Controller, ±500 mA HV, Thorlabs

Features
Extremely Low Noise (LDC201CU 0.2 μA)
5-Digit LED Display
Analog Control Input and Output
Reliable Laser Diode Protection
Operates With All Polarities of Laser Diode and Photodiode
Certificate of Calibration and Test Report Included

Seven Models With Laser Current Ranges: From 20 mA to 4 A