Detectors

The Hot e- HEB detector system includes:
• HDL5 Helium dewar with Liquid Nitrogen cooled heat shield
• Liquid Helium Capacity -1.2 liters
• Liquid Nitrogen Capacity - 0.8 liters
• LHe hold time >20 hours
• Field of view baffle installed on heat shield
• Vacuum valve with burst disc and KF25 vacuum fitting
• Liquid Nitrogen fill and removal attachments
• Liquid Helium pumping/safety attachment
• Enhanced InSb Hot-e detector (HEB)
• Electrical Responsivity >5kV/W
• Detector Optical responsivity >3.5kV/W
• Detector electrical NEP < 500 fW.Hz-1/2
• Useful Frequency range 200- 5000 microns
• Frequency response ~ 500 kHz (-3dB)
• Operating resistance 5kOhms to 20 kOhms
• Operating Temperature 4.2K
• DC coupled response
• Physical size of element 5 mm x 4.7 mm x 300 um
• Detector installed in gold-plated copper substrate
• Cone optic assembly
• Entrance = 0.5”
• Exit = 0.196”
• Length = 0.813”
• 1" diameter wedged, Teflon window with diamond powder coating
• C285 wedged filter, 0.75” diameter, installed in front of cone entrance
• ULN6 preamplifier

$ 50,000.00

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

$ 54,340.00