Infrared Detector Arrays
Mar 2011Cal Sensors Inc. (See Opto Diode Corporation)
SANTA ROSA, Calif., March 22, 2011 — Cal Sensors has launched its new LMA (linear multiplexed array) family of lead salt infrared detectors. Available in both PbS and PbSe material, the 256-element array provides sensitivity in the 1- to 5.5-µm wavelength region.
It features built-in compensation elements and a refined optional cooler controller, enhancing measurement stability by up to 25%.
It is suited for applications including gas analysis, spectroscopy, process and quality control, thermal imaging, hot-spot detection, manufacturing and assembly process lines, and buildings and railway systems.
The array consists of six compensation elements and 250 active elements and provides real-time measurement compensation for environmental changes. The measurement is adjusted based on a comparison of the six compensation elements and three active elements on each side of the array. The design reduces the effects of system noise by up to 10%, optimizing the measurement resolution, and the built-in shielding isolates the array from environmental variables that could reduce measurement accuracy.
The new optional cooler controller further optimizes measurement stability by providing the means to fine-tune the temperature set point via included software, allowing the array to be set at the optimal operating temperature for a particular target application.
The LMA technology is available in both rectangular (PbS and PbSe) and square (PbSe) configurations in an industry-standard 28-pin package. The optional refined cooler controller can be integrated with a USB electronics drive board.