Insight Product Company offers ultrafast superconducting hot-electron bolometers (HEBs) operating at terahertz frequency range. from 0.3 to 70 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 70 THz.
 

Technical data for HEB Detectors

Type of detector	1	2	3	4	5	6
Operating frequency range	0.3-3 THz	0.3-3 THz	1-12 THz	1-12 THz	25-70 THz	25-70 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	4-5*10^-12 W*HZ^-0.5	1-2*10^-12 W*HZ^-0.5
Response Time	50 ps	1 ns	0.1ns	1 ns	50 ps	1 ns
Maximum power handling capacity	50 uW	50 uW	10 mW	10 mW	1 mW	1 mW
Upper level of the dynamic range (3dB compression point)	0.1 uW	0.1 uW	50 uW	50 uW	2 uW	2 uW
Responsivity, V/W	approx. 3,000	approx. 10,000	approx. 100	approx. 300	approx. 500	approx. 2,000
Bandwidth of cold (LHe temp.) HEMT amplifier	1 MHz - 3.5 GHz	10 kHz - 200 MHz	1 MHz - 3.5 GHz	10 kHz - 200 MHz	1 MHz - 3.5 GHz	10 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
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	High Resistivity Germanium window	High Resistivity Germanium window
Antenna type	12 mm Diameter Silicon hyperhemi-spherical lens and log periodic spiral antenna	12 mm Diameter Silicon hyperhemi-spherical lens and log periodic spiral antenna	12 mm or 4mm Diameter Silicon hyperhemi-spherical lens	12 mm or 4mm Diameter Silicon hyperhemi-spherical lens	12 mm Dia Germanium hyperhemi-spherical lens	12 mm Dia Germanium hyperhemi-spherical lens
Input beam, Max. Diameter	10 mm	10 mm	10 mm (3 mm)	10 mm (3 mm)	10 mm	10 mm
Input beam, Beam Pattern	F/3 to F/infinity (collimated beam)	F/3 to F/infinity (collimated beam)	F/3 to F/infinity (collimated beam)	F/3 to F/infinity (collimated beam)	F/3 to F/infinity (collimated beam)	F/3 to F/infinity (collimated beam)
Superconducting material of the sensitive element	NbN	MoRe	NbN	MoRe	NbN	MoRe

Liquid helium Cryostat characteristics

Type of cryostat	1	2
Volume of liquid helium	1.0 liter	2.0 liters
liquid helium hold time	more than 5 hours	more than 7 hours
Weight	9 kg	13 kg
Height	380 mm	490 mm
Diameter	150 mm	250 mm

The detector can be equipped by 3-4 degrees Kelvin closed cycle refrigerator system instead of LHe cryostat.

Element/Parameter	Closed-cycle refrigirator	Compressor	Control Unit
Weight, kg	25	75	1
Length x width x height	240 x 240 x 580 mm	450 x 320 x 560 mm	240 x 260 x 140 mm
Preparation time	150 min	NA	NA
Maintenance, hours	10,000	30,000	NA
Power consumption	1.5 kW*		30 kW*

* Voltage of control unit and compressor: 100-240 V/50-60 Hz.

General parameters:

Number of channels: 1 or 2

Electrical connection: SMA-50 Ohm

Driver Interface: USB, LabVIEW

Advantages of the System:

Response time as low as 50 picoseconds.

Possibility for different beam geometry, beam pattern F/3 to F/infinity (collimated beam).

Registration of short pulses (THz pulses from nanoseconds to picosecond).

Ultra-high sensitivity.

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