Fast pyroelectric IR detectors for filter wheel spectrometer work up to several kHz
The pyroelectric detector LIE-200 in the TO-18-body (ø4.7mm) contains a JFET as impedance converter, along with feedback components that in combination with an external operational amplifier (OpAmp) comprise the electrical circuit of the pyroelectric elements. 25µm thin pyroelectric chips of Lithium Tantalate (LiTaO3), coated with a spectral broadband blackening, allows for modulation frequencies up to several kHz. The detector LME-353 (TO-39-body) has an integrated transimpedance amplifier and generates a flat signal at 10Hz to 500Hz at a high voltage sensitivity of more than 8,000 V/W without an additional external component. Broadband detector windows like CaF2, BaF2 or Si ARC are recommended.
InfraTec GmbH Infrarotsensorik und Messtechnik
The Dresden-based company InfraTec GmbH Infrarotsensorik und Messtechnik is a specialist for products and services in the field of infrared technology. InfraTec was founded in 1991 and, with its own capacities in manufacturing and development, employs more than 150 staff now. In the business field of sensor systems, custom-made components are produced on 900 m² of clean room space – especially pyroelectrical infrared detectors – for clients worldwide. The business sector of infrared measuring technology is active in all areas thermographic applications, with its scope of performance ranging from the sales of thermographic cameras to the supply of turn-key thermographic automation solutions and thermal imaging systems.
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