Improved Linear Pyroelectric IR Detector Arrays

R. C. Twiney; M. K. Robinson; S. G . Porter

doi:10.1117/12.941445

10 September 1987 Improved Linear Pyroelectric IR Detector Arrays

R. C. Twiney, M. K. Robinson, S. G . Porter

Proceedings Volume 0807, Passive Infrared Systems and Technology; (1987) https://doi.org/10.1117/12.941445
Event: Fourth International Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, The Hague, Netherlands

Abstract

Good agreement has been found between theoretical models and measured performance for a range of array geometries. A 64 element 80 μm x 140 μm element array with integral MOSFET I.C. buffer pre-amplifiers shows improved source voltage uniformity c.f. a J-FET buffered array and low frequency D* of 1.7 X 108 cm/Hz/W at 40 Hz. The MOSFET array shows reduced degradation of D* at high temperatures, retaining a D* 1 x 108 cm,/Hz/V1 at + 700C across much of the band. A 64 element array has been designed using on-board multiplexers thus greatly reducing the connections needed to run the array.

Citation Download Citation

R. C. Twiney, M. K. Robinson, and S. G . Porter "Improved Linear Pyroelectric IR Detector Arrays", Proc. SPIE 0807, Passive Infrared Systems and Technology, (10 September 1987); https://doi.org/10.1117/12.941445

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