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Scan Cameras from Xenics for Spectroscopy Applications

Xenics unveiled the SWIR high-resolution InGaAs line scan camera Lynx at Vision 2010. The product has a 12.5ìm grid with 512, 1024 or 2048 pixels, configurations ranging from high sensitivity to high dynamic mode and a frame rate up to 40kHz. It can be incorporated into industrial image processing and spectroscopy.

It is suitable for image processing and optical coherence tomography in industries. The Lynx platform is built on Xenics' established linear sensor sequence Xlin. Three Lynx models provide line lengths of 512, 1024 or 2048 pixels at a grid of 12.5 or 25ìm and pixel heights of 12.5 or 250ìm across high-resolution industrial and spectroscopy applications.

The analog signal output is pre-determined on-chip through two CMOS read-out ICs having five integration options that can be used individually or together at runtime. This yields conversion characteristics to conform to the needed pixel size and application. An analog multiplexer and pad driver transmits all pixel values  to the external analog converter.

It has a gain of 3.6e-per AD count. It offers a signal to noise ratio of 3.200:1. It outputs 14-bit image information with the CameraLink or Gigabit-Ethernet connection. A serial interface provides camera control and parameter options. Trigger inputs and outputs synchronize images with external events. A GPIO covering 2 inputs and 2 outputs facilitates interface to PLC or PWM controlled systems.

The solution is suitable for near-infrared spectroscopy and image processing to identify internal faults in the objects being scanned. It is able to analyze the weak electro-luminescence of solar modules thus increasing production.


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