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High resolution small form factor InGaAs camera

Smallest SWIR CameraLink camera with low noise and dark current

The ultra-compact Bobcat-640-CL meets machine vision system designers who need high sensitivity in the SWIR range for specialized quality inspection and high temperature process control.

The Bobcat-640-CL is perfectly suited for high speed imaging at full 640x512 resolution with high frame rates up to 100 Hz. The camera comes with an industry-standard CameraLink interface for data transfer at full frame rate. In windowing mode the frame rate can even be further increased.

The Bobcat-640-CL comes as a complete camera with on-board image processing and Thermo Electric stabilization for low dark current and optimized noise performance, all resulting in superior image quality. A VisNIR option extends the wavelength into the visible realm for best sensitivity in low-light applications.

The pixel pitch of 20 μm makes the Bobcat-640-CL compatible with a broader range of C-mount lenses and other lower-cost lenses.

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Benefits & features

  • Made in Europe
    Easy to export - no ITAR
  • On-board image processing
    Image processing algorithms for non-uniformity correction, auto-exposure and contrast enhancement can run on-board in the camera
  • High Operating Temperature range
    The camera uses industrial grade components and can work at high operating temperatures
  • Frame rates of 100 Hz in full resolution
    The camera can output up to 100 frames per second in a 640x512 resolution
  • Smallest complete SWIR CameraLink camera
    Smallest SWIR camera with 640x512 resolution and CameraLink interface
  • Low noise and low dark current for excellent image quality
    Low noise detectors for high sensitivity - low dark current for extended exposures and excellent signal to noise ratios
  • Compliant with National Instruments and Euresys framegrabbers
    Our cameras and Xeneth software are fully compatible with NI 1433 and Euresys Grablink Full frame grabbers

Designed for use in

  • Waste sorting
    SWIR camera is used to check and compare reflectance values for different waste materials
  • Food inspection
    Bruises on food can be detected due to the higher moisture contect which will appear darker in the SWIR images
  • Waste analysis
    SWIR camera is used to check and compare reflectance values for different waste materials
  • Semiconductor inspection
    SWIR cameras are able to see through silicon
  • Thermal imaging of hot objects (> 300°C)
    SWIR cameras can be used for thermal imaging in the temperature range above 300degC


Compatible with a variety of framegrabbers

Several compatible frame grabbers for CameraLink interface are available

Various lens and filter options

Various options for lenses and filters  with C-mount interface

IR camera software included

Xeneth camera control and imaging software is included

SWaP (Small size, weight and power)

Small volume, low weight and low power consumption for demanding applications


External trigger for signal synchronization

Windowing mode

Imaging in a reduced window of interest for increased frame rates

TrueNUC image correction

Non uniformity correction for a wide range of integration times 

High resolution

640x512 pixel resolution

VisNIR option

Visible enhanced InGaAs available (500 - 1700 nm)

High dynamic range

High dynamic range mode available

Camera specifications

Array Specifications

Array Specifications Bobcat-640-CL
Detector type InGaAs Focal Plan Array (FPA) ROIC with CTIA topology
Spectral range 0.9 μm to 1.7 μm (VisNIR optional 0.4 to 1.7 μm)
Image format 640 (w) x 512 (h) pixels
Pixel pitch 20 μm
Readout mode Integrate Then Read (ITR) Integrate While Read (IWR)
Peak Quantum Efficiency (QE) 80 % (SWIR) 85 % (VisNIR)
ROIC noise High gain: 60 e- Low gain: 400 e-
Dark current <1E5 (at 288K sensor temp and 150mV reverse bias) vSWIR: <2E5
Integration capacitor High gain: 6.7 fF Low gain: 85 fF
Array cooling TE1-stabilized
Pixel operability > 99 %

Camera Specifications

Camera Specifications Bobcat-640-CL
Focal length Broad selection of lenses available
Optical interface C-mount
Imaging performance
Maximum frame rate (full frame) 100 Hz
Min region size Minimum size 32 x 4
Integration type Snapshot
Integration time range 1 μs - 40 ms
Noise level: High gain 120 e-
Noise level: Low gain 400 e-
Gain level: High gain 1.28 e-/ADU
Gain level: Low gain 16.2 e-/ADU
On-board image processing Image correction (TrueNUC for high and low gain), Auto-Gain and offset, Auto-Exposure, Histogram-Equalization, Trigger Possibilities
Analog-to-Digital (ADC) 14 bits
Operating mode
Self-starting Yes
Command and control CameraLink
Image acquisition CameraLink
Trigger Trigger in or out (configurable)
Power requirements
Power consumption 2.8 W
Power supply DC 12 V
Physical characteristics
Shock 40 g, 11 ms according to MIL-STD810G/MIL-STD883J
Vibration 5g (20 to 2000 Hz), according to MIL-STD810G
Operating case temperature -40ºC to 70ºC
Storage temperature range -45°C to 85°C
Dimensions (width x height x length) - excluding lens (approximately) 55 x 55 x 72 mm
Weight (excluding lens) 285 gr

Broad range of accessories available

Lens & filter options


  • Xeneth
  • Xeneth SDK (optional)
  • Xeneth Labview SDK (optional)


Press Releases
Bobcat-640: smallest GigE Vision/CameraLink SWIR camera with low noise We demonstrate our Bobcat-640-GigE/CL at Vision 2012. The Bobcat-640 is the smallest GigE Vision/CameraLink SWIR camera with low noise (2012)
Bobcat-640: smallest GigE Vision/CameraLink SWIR camera with low noise Bobcat-640 SWIR InGaAs camera demonstration at SPIE BiOS & Photonics West (2014)
Bobcat-640: smallest SWIR low noise CL/GigE camera now in production We released our Bobcat-640-GigE and Bobcat-640-CL SWIR cameras to full-qualification production (2014)
Serval and SWIR cameras for industrial applications Xenics returns to Automate this year with its line up of cameras suited for industrial applications.
Better image quality at no additional cost By strengthening its production capabilities and optimizing processes, Xenics is happy to announce a significant reduction of dark current its standard InGaAs SWIR detectors.
Application notes
Hyperspectral Imaging vereinfacht die Nahrungsmittelkontrolle (DE) Die Äpfel sollen schön rot glänzen, das Fleisch möglichst zartrosa marmoriert sein. Vor allem erwartet der Verbraucher aber frische und unbelastete Lebensmittel. Moderne Verfahren wie die hyperspektrale Bildanalyse können hier die klassischen Laboruntersuchungen ergänzen oder zum Teil sogar ersetzen.
Technical documents
T3 Bobcat-Rufus E This file contains all the technical documents for the Bobcat CL camera.


Industrial brochure Bobcat-640-CL

Professional service, knowledge and advice!

Secure in Air appreciates the professional service, knowledge and advice of Xenics in implementing the Gobi camera in our project GeoCampro. Our client was more than satisfied with the results, looking for (thermal) defects in the railways. 

Robert de Nes, Secure in Air