Camera Specifications Cheetah-640-CL 400 Hz Cheetah-640-CL 800 Hz Cheetah-640-CL 1700 Hz
Lens (standard)
Focal length Broad selection of lenses available
Optical interface C-mount - Spectrometer holes
Imaging performance
Maximum frame rate (full frame) 444 Hz 865 Hz 1730 Hz
Readout mode Integrate Then Read (ITR)
Readout mode Integrate While Read (IWR)
Window of interest Minimum size 32 x 4
Gain modes High gain and low gain
Exposure time range 1 μs up to 40 ms @ 25°C sensor temperature (high gain mode); or up to 100 ms @ 268K sensor temperature (high gain mode)
Noise 138 e- rms (high gain)
Dynamic range 470:1 (>53 dB) (high gain)
Camera control CameraLink (serial LVDS line on CameraLink port 1)
Image acquisition Base CameraLink (12 bit) Medium CL (12 bit) Full CameraLink (8 bit), 2 x medium CameraLink (12 bit)
Trigger Trigger in and out (3.3 V CMOS)
Power requirements
Power consumption < 4 W without TEC operation; 25 W at maximum cooling
Power supply 12 V
Physical characteristics
Camera cooling Forced air cooling
Ambient operating temperature range 0°C to 50°C
Dimensions (W x H x L mmᵌ) 140 x 135 x 90
Weight camera head 2 kg


  • Array Specifications Cheetah-640-CL
    Array type InGaAs photodiode array
    Resolution 640 x 512
    Pixel size 20 µm x 20 µm
    Spectral band 0.9 μm to 1.7 μm (VisNIR optional 0.4 to 1.7 μm)
    Pixel operability > 99 %
    Array size 12.8 mm x 10.2 mm; 16.4 mm diagonal
    Array cooling TE1-cooled (Optional: TE3)
    Dark current <2 x 10⁵ e -/s