Detector elements (SEM view) - Linear array 128LT - Module
Customised Arrays
- Up to 256 elements
- Special sizes with appropriate element dimensions
- 50 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
- Customised modules
Module MES-M4 compact with Linear Array
- 128 or 256 elements
- Chopper frequency 128 Hz to 512 Hz
- Power supply and clock generator
- 16 bit analogue to digital converter
- Digital signal processing
- Synchronization output
- Fast Ethernet
- Compact housing
- Windows® software
Linear Arrays in Volume Production
The pyroelectric linear array comprises a lithium tantalate chip with 128 or 256 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.
- Lithium tantalate pyroelectric arrays with high stability
- 128 or 256 elements with 100 µm or 50 µm pitch respectively
- Integrated CMOS multiplexer and temperature sensor
- Coated Ge or Si filters
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Information about all types of detectors which are in volume production is given below.
| Type | Number of elements | Pitch | Size of element |
| 128LT | 128 | 100 µm | 90 µm × 100 µm |
| 128LTI | 128 | 100 µm | 90 µm × 100 µm |
| 256LTI | 256 | 50 µm | 42 µm × 100 µm |
| 128LT SP0.5 | 128 | 100 µm | 90 µm × 500 µm |
| 128LT SP1.0 | 128 | 100 µm | 90 µm × 1000 µm |
| 128LTI SP0.5 | 128 | 100 µm | 90 µm × 500 µm |
| 128LTI SP1.0 | 128 | 100 µm | 90 µm × 1000 µm |
| 256LTI SP0.5 | 256 | 50 µm | 42 µm × 500 µm |
| 256LTI SP1.0 | 256 | 50 µm | 42 µm × 1000 µm |