| | Ge Photodiode, Amplified, 700-1800 nm, 5 mm, NIST Calibration | IMPERIAL | | | | |
| | Ge Photodiode, Amplified, 700-1800 nm, 2-stage TE, 5 mm, NIST Calibration | IMPERIAL | | | | |
| | PbS Photodiode, 3 x 3 mm, 700-3000 nm, Supply and AC Coupled Pre-amplifier | IMPERIAL | | | | |
| | Pyroelectric Detector, Lithium Tantalate, 2 mm, FET Amplifier, 0.45-9 µm | IMPERIAL | | | | |
| | Pyroelectric Detector, Lithium Tantalate, 2 mm, FET Amplifier, 0.60-50 µm | IMPERIAL | | | | |
| | UV-Si Photodiode, Transimpedance Amplifier, 200-1100 nm, 10 x 10 mm, NIST | IMPERIAL | | | | |
| | UV-Si Photodiode, Amplified, 200-1100 nm, 1-stage TE cooled, 5 mm, NIST | IMPERIAL | | | | |