MultiRad - Multi Spectral Fast Radiometer

Specifications

Parameter Value Comments
Spectral Channels 5 - 8 channels  
Optics aperture 1” (23 mm CA)  
FOV 40 or 80 mrad  
Spectral range 0.4-12 µm Wide choice of spectral ranges
Detectors Si, PbSe, InGaAs, MCT, Pyroelectric See Table below
Filters 1 Spectral band
1 ND filter per channel
User defined per channel, factory set 
(not user-replaceble)
Operational Mode Fast transient mode (DIR)
Lock-In Amplifier mode (LIA)
<20 µs rise time
For high sensitivity applications
Chopper 100-600 Hz Variable, SW controllable
Lock-In amplifiers 1 per channel Included in optical head
Data Acquisition Up to 16 bit, 200 x 103 samples/sec per channel Included in optical head
USB2.0 interface to PC
FOV Viewer Video overlaid with sight pattern FOV limits and cross sight
Data acquisition 16 bit, up to 250 x 103 samples/sec per channel  
Video aiming sight

Color CCD camera with cross hair and FOV boundary

Allows aiming the radiometer - can be
recorded for documentation
Dimensions L 650 x W 255 x H 255 mm  
Weight <25 Kg  

Channel options

Spectral range¹ Detector
material
Cooling² FOV mrad /° Optics CA [mm] NEI DIR
[W/cm²]
NEI LIA
[W/cm²]
Spectral
Engine
Module
0.4 - 1.0 µm Si None 40 / 2.3° 23 5·10-7 5·10-9 SIN-N25
80 / 4.6° SIN-W25
1.0 - 2.4 µm InGaAs TEC 40 / 2.3° 23 3·10-9 5·10-11 IGT-N25
80 / 4.6° IGT-W25
2.0 - 5.0 µm PbSe TEC 40 / 2.3° 23 1·10-6 1·10-8 PBT-N25
80 / 4.6° PBT-W25
1.0 - 5.0 µm PV-MCT TEC 40 / 2.3° 23 1·10-8 2·10-10 MCT-N25
8.0 - 12.0 µm Pyroelectric None 40 / 2.3° 23 Not Available <5·10-6 PYN-N25
80 / 4.6° PYN-W25
Photopic Si None 80 / 4.6° 23 5·10-8 1·10-9 SIN-W25Phot
  • Cooling: TEC=TE Cooled
  • NEI DIR – NEI for fast transient mode BW=50 KHz, NEI LIA – for lock-in mode TC=30 msec;
  • Both NEI values are typical. Actual performance depends on the spectral band pass of the channel.

Specifications are subject to change without notice – Please enquire