Liquid Helium Cooled Bolometer (1.6K Version)

Liquid Helium Cooled Bolometers are 10^2 to 10^4 (two to four orders magnitude) more sensitive than room temperature pyro-electric detectors
Liquid Helium Cooled 1.6K
5u - 2000u spectral range
Liquid Nitrogen required in outer jacket (dual stage cooling)
2.5 mm diameter diamond absorber
0.5" F/3.8 diameter condensing cone as input optics
Preamp circuitry generates +/-14V max
5" Diameter Dewar Included

Filterwheel Position #1 - Long pass 5micron cut-on
Position #2 - Wedged P13 filter (13micron cut-on long pass)
Position #3 - Wedged C103 filter (103 micron cut-on long pass filter)
Wedged Diamond window Diameter = 25.0mm