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Indium Gallium Arsenide Detectors  

Indium Gallium Arsenide Detectors

Indium Gallium Arsenide Short Form Catalog in PDF Format

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Custom

For more demanding applications, Judson's team of engineers will provide custom design services. Please contact us with your special requirements.

Optional Packages:


Key Features

  • Stable response vs. temperature
  • Wide dynamic range
  • High linearity
  • No bias or cooling required

Applications

  • Gas analysis
  • NIR-FTIR
  • Raman spectroscopy
  • IR fluorescence
  • Blood analysis
  • Optical sorting
  • Radiometry
  • Chemical detection
  • Optical communication
  • Optical power monitoring
  • Laser diode monitoring
  • Laser burn-in

Click here for cutoff information on TE cooled Extended InGaAs detectors.

Literature Click for more InGaAs information.

Parallel Output Arrays

Standard packaging and element configurations result in low cost and quick delivery for Judson's high-quality photodiode arrays. The 16 and 32 element InGaAs arrays respond to infrared radiation from 700nm to 1.8µm. The photodiode arrays come mounted in a dual inline 40 pin package.

Judson's NIR arrays have a parallel output format with common substrate and one pinout for each element. This format allows for independent readings from each channel.

A separate transimpedance op-amp circuit is recommended for each channel. The Judson Model PA-7:16C and PA-7:32C preamps are convenient multi-channel modules with receptacles for the array package. Transimpedance gain is specified by the user.

Applications

  • Clinical Analyzers
  • Near-IR Spectroscopy
  • Fibert Optics
  • Currency Validation

Package

These arrays are mounted in the Judson "40P" package, a 40 pin, dual-in-line package with glass window. Pins 1 and 21 are connected to the common substrate. Elements of the 16-element array are connected to pins 23-38. The 32-element array is mounted with odd-numbered elements connected to pins 3-18 and even-numbered elements connected to pins 23-38. The gap between elements is 0.01mm.


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