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NIR Spectral Cameras

Gilden Photonics offers several Spectral Camera models in the NIR range in order to meet various application requirements. They provide 320 and 640 pixel spatial resolution and image rate from 50 to 350 Hz.

Each Spectral Camera NIR model consists of an ImSpector N17E imaging spectrograph for the wavelength region 900 - 1700nm and a temperature stabilised InGaAs camera. The transmission diffraction grating and lens optics included in the spectrograph provide high light throughput and a high quality and distortionless image which is designed to meet the unique requirements of the associated detector. The maintenance free cooling unit is designed to keep the detector temperature stable throughout a wide ambient temperature range.

Both a cased camera and uncased OEM model are available. The cased camera is equipped with an electro-mechanical shutter for dark image acquisition. The camera housing is designed for easy handling connectivity and operation. The cameras are delivered with separate power supply/ control unit, frame grabber and the necessary cables.

The camera NIR is also supported by SpectraSENS Software


Spectrograph ImSpector N17E  
Spectral Range 900-1700 ± 10 nm
Spectral Resolution 5 (30 μm slit) nm
Spectral Sampling / Pixel 4 2.6 4 nm
Spatial Resolution rms spot radius < 15 μm
Aberrations Insignificant astigmatism, smile or keystone -
Numerical Aperture F / 2.0 -
Slit Width Options 30 um (18, 50, 80, um optional) μm
Effective Slit Length 9.6 12.8 9.6 nm
Total Efficiency (typical) > 50% independent of polarisation -
Stray light < 0.5% halogen lamp, 1400 nm notch filter) -
Sensor TE-cooled InGaAs Photodiode array -
Pixels in Image Frame 320 x 256 640 x 512 320 x 256 -
Active Pixels 320 (spatial) x 240 (spectral) 640 (spatial) x 360 (spectral) 320 (spatial) x 240 (spectral)  
Pixel size 30 x 30 20 x 20 30 x 30 μm
Cooling Forced convection cooling -
Camera Output 12-bit, USB 2.0 or Cameralink 14-bit, USB 2.0, LVDS, or Cameralink 12-bit, Cameralink -
Frame Rate 100 fps/350 15 (USB)/ 60/ 90 50 fps
Exposure Time Range 1us-500ms -
Power Consumption < 4, Cooler - 30 < 30 W
Input Voltage 12 V
Storage -20...+85 ºC
Operating +5...+40, non-condensing ºC


Size (L x W x H) 350 x 100 x 130 385 x 120 x 135 350 x 100 x 115 385 x 120 x 135 mm³
Weight 4.5 5.38 4.4 5.28 kg
Body Anodized aluminium with mounting screw holes -
Lens Mount Standard C-mount -
User Adjustments None -
Shutter Optional Yes, with USB control Optional Yes, with USB control -

Gilden Photonics provides various accessories for the Spectral Cameras to broaden their applicability

Several fore objective lenses with different FOVs are available which have been designed to provide the optimal image and spectral quality across the full spectral range of the Spectral camera

In addition to standard lenses, also a 900-2500nm corrected 1:1 imaging macro lens, OLESmacro, is available for NIR and SWIR spectral cameras

The spectral camera can also be delivered with collection fiber optics to convert the camera into a multiple point spectrometer. All the points are measured simultaneously without a moving multiplexer

The spectral camera can be delivered with a mirror scanner or rotating stage for scanning static targets and outdoor scenes, or with X-stage sample mover for desktop and microscope applications

  • Moisture profiling
  • Food analysis
  • Chemical Storing
  • Recycling
  • Pharmaceutical QA
  • Medical imaging
  • Cosmetics
NIR Spectral Cameras

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Contact us

Gilden Photonics Ltd.
Unit 13 Telford Court
9 South Avenue
Clydebank Business Park
Glasgow G81 2NR

tel: +44 (0)141 952 9475
fax: +44 (0)141 952 9400