Infrared Detectors
Our pyroelectric infrared detectors and arrays based on lithium tantalate are designed for the use in non-contact temperature measurement and also in gas analysis, spectroscopy and security applications.The wide range of available sensor designs enables us to provide customised solutions for small and large quantities.
By using modern ion beam etching technology very good noise to signal ratio values are achieved.
PYROSENS infrared detectors and arrays
Your benefit
• Very high specific detectivity D* or very low noise equivalent power NEP, respectively
• Large variablity in construction
• Customized solutions with convincing cost-performance ratio
Pyroelectric standard detectors PYROSENS and customized infrared arrays
We offer a wide spectrum of different pyroelectric infrared detectors and arrays:
• Pyroelectric single element detectors
• Pyroelectric multi-channel detectors
• Pyroelectric linear arrays
Pyroelectrical single-element and multi-channel detectors PYROSENS
Our lithium tantalate pyroelectric single and multi-element infrared detectors are developed for use in gas analysis, spectroscopy, pyrometry and security applications.Many types of infrared sensors manufactured in volume production are available. Beyond customized infrared sensors solutions are possible.
Infrared detectors in volume production
• Lithium Tantalate detectors with high specific detectivity and stability
• Highest specific detectivity (109 cm Hz1/2 W-1) achieved using extremely thin ion-beam etched elements
• Extremely low noise and microphony
• Optional absorber or silver black for uniform spectral sensitivity
• Low temperature dependence, thermal compensation optional
• Up to 4 spectral channels per detector
Customized infrared detectors
• Pyroelectric lithium tantalate detector elements
• Sensitive elements with special shapes and sizes
• Temperature compensated detector elements
• Multi-element and multi-spectral detectors
• Customized filters and integrated optics
• Infrared detectors with fiber optics
• Infrared detectors for voltage or current mode operation
• TO18-, TO39-, TO8 or special housings
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Pyroelectrical arrays PYROSENS
The pyroelectric linear array comprises a lithium tantalate chip with 128, 256 or 510 elements. The signals produced by the elements are processed in a CMOS circuit. Signal processing is carried out by the analogue circuitry, which comprises a multiplexer, an output amplifier and an adapted low-noise preamplifier for each pixel. The pyroelectric chip and CMOS readout circuit are located on a thick film substrate, which is mounted inside a hermetic metal housing. The incident radiation passes through a window which is transparent to infrared wavelengths, and reaches the sensitive elements.
Linear arrays in volume production
• Lithium tantalate pyroelectric arrays with high stability
• 128, 256 or 510 elements with 100 µm, 50 µm or 25 µm pitch respectively
• Integrated CMOS multiplexer and temperature sensor
• Coated Ge or Si filters
Evaluation-kit
The evaluation kit allows easy operation of the PYROSENS arrays. It consists of a small circuit board with complete electronics and software by which the electronics is controlled via USB connection from a Windows PC. A DLL interface for the integration of the evaluation kit in custom software solutions and common laboratory softwareis available . Thus, commissioning and integration of PYROSENS arrays in their own software and system solutions become even easier. The interface permits access to all array parameters via API functions and reading out the pixel values. The evaluation kit can be integrated into a variety of software environments, e.g.
NATIONAL INSTRUMENTS LabVIEW
• MathWorks MATLAB
• Microsoft Visual Studio
• Embarcadero RAD Studio
For the development of software in C / C ++ corresponding header and lib files are included.
Customized infrared arrays
• New: Pyroelectric linear arrays with up to 16x higher sensitivity for spectroscopic application
Overview: Pyroelectric linear arrays for spectroscopy and gas analytics
• Up to 510 elements with adjusted element geometry
• 25 µm minimum pitch
• Dual line sensors with two side by side placed pyroelectric arrays, each with up to 256 elements
• Special narrow and wide band-pass filters, variable filters
• Integrated CMOS multiplexer and temperature sensor
• Hermetic metal housing
• Customized sensor modules with sensor electronics and if applicable optical channel
