Xenics Short-Wave Infrared (SWIR) Cheetah Series

The Cheetah 640 series is based on a cooled, in-house developed InGaAs detector with a 640 x 512 pixel resolution.

The Cheetah 640 camera with single-stage TE-cooled detector offers high frame rates of either 400 Hz, 800 Hz or 1700 Hz while the version with three-stage TE-cooled detector offers a frame rate of up to 110 Hz. The camera comes with a CameraLink interface.

A visible short-wave infrared (vSWIR) option is available for extension into the visible wavelength band.

Benefits & Features

• World’s fastest SWIR area-scan imaging up to 1700 Hz
• vSWIR optional
• Low dark current
• Reliable data transfer via CameraLink

 

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Mechanical Specifications:
Cheetah 640 TE1 400 SWIR / vSWIRCheetah 640 TE1 800 SWIR / vSWIRCheetah 640 TE1 1700 SWIR / vSWIRCheetah 640 TE3
Approximate dimensions - excluding lens [width x height x length] [mm]143 x 137 x 95143 x 137 x 95143 x 137 x 95143 x 137 x 95
Weight [gr] - excluding lens2000200020002000
Camera coolingForced convection [fan]Forced convection [fan]Forced convection [fan]Water cooling
Optical interfaceC-mountC-mountC-mountC-mount
Connector CameraLinkStandard SDR connectorsStandard SDR connectorsStandard SDR connectorsStandard SDR connectors
Connector powerLEMO ECG 1B-1K302LEMO ECG 1B-1K302LEMO ECG 1B-1K302LEMO ECG 1B-1K302
Connector triggerLEMO ECG 1B-1K302LEMO ECG 1B-1K302LEMO ECG 1B-1K302LEMO ECG 1B-1K302
Water connector---Push-in fitting for 6 mm diameter tube
Environmental & Power Specifications:
Cheetah 640 TE1 400 SWIR / vSWIRCheetah 640 TE1 800 SWIR / vSWIRCheetah 640 TE1 1700 SWIR / vSWIRCheetah 640 TE3
Ambient operating temperature range [°C]From 0 to +50From 0 to +50From 0 to +50From 0 to +50
Storage temperature [°C]From -45 to +60From -45 to +60From -45 to +60From -45 to +60
Power consumption [W]Up to 25Up to 25Up to 25Up to 60
Power supply voltageDC 12 VDC 12 VDC 12 VDC 12 V
ShockMIL-STD810G method 516.6; half-sine, 40 g [11 ms]MIL-STD810G method 516.6; half-sine, 40 g [11 ms]MIL-STD810G method 516.6; half-sine, 40 g [11 ms]MIL-STD810G method 516.6; half-sine, 40 g [11 ms]
VibrationRandom: MIL-STD810G method 514.6; 4.01 g [15 - 2000 Hz]. Sine: MIL-STD883J method 2007; 5 g [20 - 2000 Hz]Random: MIL-STD810G method 514.6; 4.01 g [15 - 2000 Hz]. Sine: MIL-STD883J method 2007; 5 g [20 - 2000 Hz]Random: MIL-STD810G method 514.6; 4.01 g [15 - 2000 Hz]. Sine: MIL-STD883J method 2007; 5 g [20 - 2000 Hz]Random: MIL-STD810G method 514.6; 4.01 g [15 - 2000 Hz]. Sine: MIL-STD883J method 2007; 5 g [20 - 2000 Hz]
Regulatory complianceCE, RoHSCE, RoHSCE, RoHSCE, RoHS
Electro-Optical Specifications:
Cheetah 640 TE1 400 SWIR / vSWIRCheetah 640 TE1 800 SWIR / vSWIRCheetah 640 TE1 1700 SWIR / vSWIRCheetah 640 TE3
Image format [pixels]640 x 512640 x 512640 x 512640 x 512
Pixel pitch [µm]20202020
Detector typeInGaAs photodiode array with CTIA ROICInGaAs photodiode array with CTIA ROICInGaAs photodiode array with CTIA ROICInGaAs photodiode array with CTIA ROIC
Sensor coolingTE coolerTE coolerTE cooler3-stage TE cooler
Integration typeSnapshot - global shutterSnapshot - global shutterSnapshot - global shutterSnapshot - global shutter
Active area and diagonal [mm]12.8 x 10.24 [diagonal 16.4]12.8 x 10.24 [diagonal 16.4]12.8 x 10.24 [diagonal 16.4]12.8 x 10.24 [diagonal 16.4]
Optical fill factor100%100%100%100%
Spectral range [nm]900 - 1700 [SWIR]; 500 - 1700 [vSWIR]900 - 1700 [SWIR]; 500 - 1700 [vSWIR]900 - 1700 [SWIR]; 500 - 1700 [vSWIR]900 - 1700 [SWIR]
Quantum efficiency~80% [typical peak value]~80% [typical peak value]~80% [typical peak value]~80% [typical peak value]
Gain modesHigh Gain [HG] & High Dynamic Range [HDR]High Gain [HG] & High Dynamic Range [HDR]High Gain [HG] & High Dynamic Range [HDR]High Gain [HG] & High Dynamic Range [HDR]
Full well capacities [electrons]45k [HG] & 500k [HDR]45k [HG] & 500k [HDR]45k [HG] & 500k [HDR]45k [HG] & 500k [HDR]
Read noise [electrons]120 [HG] & 500 [HDR]120 [HG] & 500 [HDR]120 [HG] & 500 [HDR]120 [HG] & 500 [HDR]
Dark current [electrons/second]<100k [at 288K sensor temp and 150 mV reverse bias]; <200k for vSWIR<100k [at 288K sensor temp and 150 mV reverse bias]; <200k for vSWIR<100k [at 288K sensor temp and 150 mV reverse bias]; <200k for vSWIR<1000 [at 233K sensor temp and 150 mV reverse bias]
Read out modeITR & IWRITR & IWRITR & IWRITR & IWR
Pixel operability>99%>99%>99%>99%
Preconfigured exposure time range [ms]0.1 to 40 in HG, 0.1 to 20 in HDR0.1 to 40 in HG, 0.1 to 20 in HDR0.1 to 40 in HG, 0.1 to 20 in HDRMaximum exposure is up to 20s in HG
Max frame rate [Hz] [full frame]4448651730111
Region of interestYesYesYesYes
Min region size [pixels]32 x 4 [step 16 x 4]32 x 4 [step 16 x 4]32 x 4 [step 16 x 4]32 x 4 [step 16 x 4]
Max frame rate [Hz] [min region size]>100000>100000>100000>10000
Analog-to-Digital [ADC] [bits]14141414
Command and controlCameraLinkCameraLinkCameraLinkCameraLink
Digital output formatCameraLink [12 bit base] - 1 cableCameraLink [12 bit medium] - 2 cablesCameraLink [12 bit dual medium] - 4 cables CameraLink [8 bit full] - 2 cablesCameraLink [14 bit base] - 1 cable
TriggerIn or out via trigger connector [configurable]In or out via trigger connector [configurable]In or out via trigger connector [configurable]In or out via trigger connector [configurable]