Products

Infrared Photometer IRPS

IRPS is the small size infrared photometer with detector cooled by liquid nitrogen . IRPS was designed as the instrument for work with optical systems with angular apertures < F/12. in spectral range 1 - 10 microns.

Modulation frequency:15 Hz.
Filter wheels: 5 interference filters.
Cryostat: Liquid nitrogen capacity 0.1 ltr.
Liquid nitrogen hold time 4 hrs (min)
Detector data: PlS, InSb or HgCdTe.
Electronics: Low noise preamplifier, synchronous amplifier,
A/F converter, counter.
Weight- 9 kg.
Connected with computer.
This type photometer was used for IR photometry of nuclear reactor-powered satellite "Cosmos-1900".

Multichannel preamplifier MCP

Multichannel preamplifiers (N*8) are designed for use with IR and mm wave detectors arrays.

Number of the channel of based model: 8.
Standard gain is 1000.
Bandwidth : DC to 80 kHz.
Voltage Noise Density (1kHz): 1 nV/Hz(1/2).
Power Requirements: + - 15 VDC.

Multichannel lock-in amplifier

Multichannel lock-in amplifiers (N*8) are designed for use with IR and mm wave detectors arrays.

Number of the channel of based model: 8.
Standard gain is 500.
Bandwidth : 10Hz to 20 kHz.
Noise/Signal < 300.
Power Requirements: + - 15 VDC.

Thermoelectric cooling system

Thermoelectric cooling system is designed for use with IR detectors. Four or five stage thermoelectrical cooler.

Detectors types PlS, PlSe, InSb, HgCdTe.
Internal preamplifier.
Standard gain of preamplifier is 1000.
Bandwidth : DC to 80 kHz.
Voltage Noise Density (1kHz): 1 nV/Hz(1/2).
Power Requirements: + - 15 VDC.

Absolute black body

IR photodetector modules with detectors cooled by LN2.

IR photodetector modules with detectors cooled by LN2. Gas cooled radiation shield optical cryostat, IR detectors.

liquid nitrogen capacity 1.2 ltr.
Cooled time 72 hours.
The photometer module is completed by PlS, InSb, HgCdTe.

IR photodetector modules with detectors cooled by LHe4.

IR photodetector modules with detectors cooled by LHe4. Gas cooled radiation shield optical cryostat without LN2. We developed scheme of stabilization of working point of superconducting bolometer by including bolometer in oscillated circuit.

liquid helium capacity 1.2 ltr.
Cooled time 18 hours.
The photometer module is completed by PlSn superconducting bolometric detector.
Working temperature Tw = 4.3 K.

The system of reused He4 gas from telescope

The system of reused He4 gas from telescope. He4 gas is collected in rubber balloon and is compressed in four metallic balloons by pressure 60 atm.