Sensors / Detectors Case Studies and White Papers

  1. Airborne Thermal Infrared Hyperspectral Imaging For Mineral Mapping

    In order to illustrate the benefits of thermal infrared hyperspectral imaging (HSI) for mineral mapping, an airborne survey was carried out over an open-pit mine in the Thetford Mines (Qc, Canada) area. The results show how high spectral resolution data facilitates temperature emissivity separation (TES) and atmospheric correction in order to retrieve a thermodynamic temperature map of the area and its associated spectral emissivity datacube. Mineral mapping of various minerals such as lizardite, serpentinite, and quartz was achieved through linear unmixing of the emissivity data using reference emissivity curves found in spectral libraries. The results illustrate the potential of TIR HSI for airborne mapping of silicate minerals.

  2. Maintenance-Free Hermetic Feedthrough Fiber Pigtailed Electro-Optic Sensor for Rugged Environments

    This application note offers a detailed description, features, and more for CMC Electronics’ Hermetic Feedthrough Fiber Pigtailed Electro-Optic Sensor Technology. This electro-optic sensor provides a light and compact solution for applications in harsh environmental conditions that require 100% reliability; such as military and commercial aircraft, oil and gas applications, surface and sub-surface watercraft, and UAV/UAS.

  3. Advantages of Point Source Emitters: Application Note

    A Point Source Emitter is similar to a standard LED, however, its well defined circular area (usually 25μm-200μm in diameter) makes it ideal in applications involving encoders, machine vision, medical fiber, and any other application where a precise beam of light is needed. This application note provides background information on Point Source Emitters, and highlights their advantages over standard LEDs.

  4. Avalanche Photodiode LADAR/LIDAR Receiver Technologies Overview

    Voxtel offers LIDAR receivers and LADAR focal plane arrays optimized for high performance with our novel fast-temporal-response, high gain, low noise InGaAs avalanche photodiode (APD) technology, proven readout integrated circuit (ROIC) designs, and camera electronics expertise.

  5. Remote Sensing Application Note

    Xenics designs and manufactures linear arrays, FPA and cameras for the Short Wavelength range (SWIR), based on InGaAs detectors.

  6. Article: Recent Advances In Laser Warning Systems (LWS)
    The battlefield of yesteryears remains a sad memory for many of us; images of soldiers lying in trenches waiting for the next enemy salvo are unfortunately part of our collective history. By Éric Desfonds, Excelitas Technologies
  7. Single Photon Counting With A Focus On Biomedical Applications

    Over the past few years a growing number of companies have come to rely on Photon Counting for applications that range from particle sizing, atmospheric studies and advanced forms of biomedical research. By Excelitas Technologies

  8. Photodiode Typical Applications
    Photodiodes are unique among light detectors in that when illuminated, they generate an output which is proportional to light level. By Excelitas Technologies
  9. Application Note: Low Noise Optical Receiver Using SiAPD
    Silicon Avalanche photodiodes (Si APD) are the preferred optical detectors for applications where the wavelength lies between 400nm and 1100nm and where high speed and low optical power detection is required. By Excelitas Technologies
  10. Avalanche Photodiodes (APDs) - A User Guide
    Avalanche photodiode detectors (APDs) have and will continue to be used in many diverse applications such as laser range finders, data communications or photon correlation studies. By Excelitas Technologies