Insight Product Company offers ultrafast superconducting hot-electron bolometers (HEBs) operating at terahertz frequency range. from 0.3 to 150 THz.
Superconducting hot electron bolometers HEBs are designed to detect and register the electromagnetic radiation pulses in the frequency range from 0.3 THz to 150 THz.
 

Technical data for HEB Detectors

Type of detector	1	2	3	4	5	6	7	8
Operating frequency range	0.3-3 THz	0.3-3 THz	1-12 THz	1-12 THz	1-30 THz	1-30 THz	25-150 THz	25-150 THz
Noise Equivalent Power NEP	3-5*10^-13 W*HZ^-0.5	5-7*10^-14 W*HZ^-0.5	<6 -8 *10^-11 W*Hz^-0.5	<1 -2 * 10^-11 W * Hz^-0.5	<6 -8 * 10^-11 W *Hz^-0.5 (1-13 THz, 18-30 THz) <1-2 * 10^-10 W*Hz^-0.5 (13 - 18 THz)	<1 -2 * 10^-11 W * Hz^-0.5 (1-13 THz, 18-30 THz) <5-6 * 10^-11 W*Hz^-0.5 (13 - 18 THz)	4-5*10^-12 W*HZ^-0.5	1-2*10^-12 W*HZ^-0.5
Response Time	50 ps	1 ns	50 ps	1 ns	50 ps	1 ns	50 ps	1 ns
Maximum power handling capacity	100 uW	50 uW	10 mW	10 mW	10 mW	10 mW	1 mW	1 mW
Upper level of the dynamic range (3dB compression point)	0.2 uW	0.1 uW	50 uW	20 uW	50 uW	20 uW	10 uW	10 uW
Bandwidth of cold (LHe temp.) HEMT amplifier	1 MHz - 3.5 GHz	100 kHz - 200 MHz	1 MHz - 3.5 GHz	100 kHz - 200 MHz	1 MHz - 3.5 GHz	100 kHz - 200 MHz	1 MHz - 3.5 GHz	100 kHz - 200 MHz
Total gain (including room temperature amplifying)	55-60 dB	55-60 dB	55-60 dB	55-60 dB	55-60 dB	55-60 dB	55-60 dB	55-60 dB
Cold filter and window of the LHe cryostat	Black PE filtering and HDPE window	Black PE filtering and HDPE window	Black PE filtering and HDPE window	Black PE filtering and HDPE window	Black PE filtering and HDPE window	Black PE filtering and HDPE window	High Resistivity Germanium window	High Resistivity Germanium window
Antenna type	12 mm Dia Silicon hyperhemi-spherical lens and log periodic spiral antenna	12 mm Dia Silicon hyperhemi-spherical lens and log periodic spiral antenna	12 mm Dia Silicon hyperhemi-spherical lens	12 mm Dia Silicon hyperhemi-spherical lens	4 mm Dia Silicon hyperhemi-spherical lens	4 mm Dia Silicon hyperhemi-spherical lens	12 mm Dia Germanium hyperhemi-spherical lens	12 mm Dia Germanium hyperhemi-spherical lens
Superconducting material of the sensitive element	NbN	MoRe	NbN	MoRe	NbN	MoRe	NbN	MoRe

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

The detector can be equipped by 3-4 Kelvin closed cycle refrigerator system instead of LHe cryostat.
Closed cycle refrigerator system must fit the following requirements:
1. Refrigeration Capacity – not less than 0.4 W @ 4.2 K
2. Sample volume dimensions – diameter 100 mm and 50 mm height
3. Optical window diameter – not less than 15 mm

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