| general info on optics |
| optics group designed electronics: photodiode detectors, pyro-electric detectors,HV pulsers, preamps |
dual S(uperconducting)S(ingle)P(hoton)D(etector)-interface more info |
bias-tees for SSPD measurements  rise time measurement(78pS) |
| quad APD(detector) output to TTL 50ohm converter dual output: TTL signals, pulse-stretched for counter (ADWIN), APD-signal feedthrough for correlation timer  basic circuit drawing |
| Led/Laser driver pcboard input: sinewave or TTL up to 200MHz + dc-bias output: Up to 5V-200mA squarewave (3nS rise/fall for LED, <2nS for Laser) sma-current monitor  |
simple dc..40MHz modulated laser  |
