Bobcat-640-GigE

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Bobcat-640-GigE

High resolution small form factor InGaAs camera

Smallest SWIR GigE Vision camera with low noise and dark current

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

The industry-standard GigE Vision interface and small form factor reduce the cost and increase the ease of integration. Furthermore the pixel pitch of 20 μm makes the Bobcat-640-GigE compatible with a broader range of C-mount lenses and other lower-cost lenses.

The Bobcat-640-GigE 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 Bobcat-640-GigE reaches high frame rates up to 100 HZ in full resolution of 640x512 and can be further increased in windowing mode.

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Benefits & features

  • Small form factor
    Small size, low weight, TE-cooled SWIR camera
  • Small GigE interface
    Smallest GigE SWIR camera with 640x512 resolution
  • 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
    The camera uses industrial grade components and can work at high operating temperatures
  • High sensitivity and excellent image quality
    Low noise detector and high resolution with 640x512 pixels

Designed for use in

  • R&D (SWIR) range
    SWIR range is a relatively unexplored range and hence providing much research opportunities
  • Solar cell inspection
    Inspection techniques for crack inspection or efficiency mapping based on electroluminescence or photoluminescence
  • Laser beam profiling
    Laser beam analysis for infrared lasers at, e.g., 1064, 1300 and 1550 nm
  • Hyperspectral imaging
    Combination of spectral imaging and 2D imaging. Our SWIR camera are used for hyperspectral SWIR imaging
  • Thermal imaging of hot objects (>300˚C)
    SWIR cameras can be used for thermal imaging in the temperature range above 300degC

Features

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

Power over Ethernet (PoE)

The Gigabit Ethernet interface allows for Power over Ethernet (PoE) connectivity

GigE Vision standard compatibility

The Gigabit Ethernet interface is compatible to the GigE Vision standard

Trigger

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-GigE
Array type InGaAs Focal Plan Array (FPA) ROIC with CTIA topology
Spectral band 0.9 μm to 1.7 μm (VisNIR optional 0.4 to 1.7 μm)
Resolution 640 x 512
Pixel pitch 20 μm
Peak Quantum Efficiency (QE) 80 % (SWIR) 85 % (VisNIR)
ROIC noise High gain: 60 e- Low gain: 400 e-
Dark current 0.19 x 10⁶ e-/s/pixel or 30 fA @ 200 mV bias at 288 K 30 fA at 200 mV bias at 288 K
Integration capacitor High gain: 6.7 fF Low gain: 85 fF
Array cooling TE1-stabilized
Pixel operability > 99 %

Camera Specifications

Camera Specifications Bobcat-640-GigE
Lens
Focal length Broad selection of lenses available
Optical interface C-mount
Imaging performance
Maximum frame rate (full frame) 100 Hz
Window of interest 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
Readout mode Integrate Then Read (ITR) Integrate While Read (IWR)
On-board image processing Up to 4 NUCs, Auto-Gain, Trigger Possibilities
ADC 14 bit
Operating mode
Self-starting Yes
Interfaces
Camera control GigE Vision
Image acquisition GigE Vision
Trigger Trigger in or out (configurable)
Power requirements
Power consumption 4 W
Power supply 12 V
Physical characteristics
Shock 40 G, 11 ms according to MIL-STD810G
Vibration 5g (20 to 2000 Hz), according to MIL-STD810G
Operating case temperature -40ºC to 70ºC (industrial components)
Storage temperature range -45 to 85°C
Dimensions (W x H x L mmᵌ) 55 x 55 x 82
Weight camera head 334 g

Broad range of accessories available

Lens & filter options

Software

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

Documents

Technical documents
T3 Bobcat-Rufus E This is the technical drawing for the Bobcat.
Whitepapers
Laser beam profiling and infrared cameras In this white paper, we will address the general need for laser beam profile analysis. Further, we will briefly describe laser beam analysis instruments and give an overview of laser applications, in particular for infrared wavelengths.

Brochures

Scientific brochure Bobcat-640-GigE

Extreme compact size and low weight

Given the extremely compact size and low weight of the Xenics XS-1.7-320 SWIR camera it was extremely easy to integrate it into our existing optical setup.

University of Strathclyde