Sensitive Terahertz Detectors: Cooled Terahertz Detectors based on Hot Electron Bolometer (HEB) |
Cooled Terahertz Detectors: Hot Electron Bolometers (HEB)
Cooled Terahertz (THz) Detector Type 7: Hot Electron Bolometer (HEB) Detector
Type of detector |
7 |
Operating frequency range |
25-150 THz |
Noise Equivalent Power NEP |
4-5*10^-12 W*HZ^-0.5 |
Response Time |
50 ps |
Maximum power handling capacity |
1 mW |
Upper level of the dynamic range (3dB compression point) |
10 uW |
Bandwidth of cold (LHe temp.) HEMT amplifier |
1 MHz - 3.5 GHz |
Total gain (including room temperature amplifying) |
55-60 dB |
Cold filter and window of the LHe cryostat |
High Resistivity Germanium window |
Antenna type |
12 mm Dia Germanium hyperhemi-spherical lens |
Superconducting material of the sensitive element |
NbN |
Liquid helium Cryostat characteristics
| Type of cryostat | 1 |
2 |
3 |
| Volume of liquid helium | 0.5 liters |
0.8 liters |
2.0 liters |
| liquid helium hold time | more than 5 hours |
more than 5 hours |
more than 5 hours |
| Input optical window diameter | 12 mm |
20 mm |
40 mm |
| Weight | 5 kg |
6.5 kg |
18 kg |
| Height | 360 mm |
380 mm |
490 mm |
| Diameter |
150 mm |
160 mm |
260 mm |
| Temperature on the cold plate | 4.2 K |
4.2 K |
4.2 K |
| Output signal connector type | SMA-50 Ohm |
SMA-50 Ohm |
SMA-50 Ohm |
Contact:
| E-mail: | admin@insight-product.com |
| Phone: | (617) 965-8151 |