Shutters with embedded microprocessors

S. Stephenson

doi:10.1117/12.2180603

8 June 2015 Shutters with embedded microprocessors

S. Stephenson

Proceedings Volume 9451, Infrared Technology and Applications XLI; 94511H (2015) https://doi.org/10.1117/12.2180603
Event: SPIE Defense + Security, 2015, Baltimore, MD, United States

Abstract

Shutters are used to periodically provide a non-uniformity correction (NUC) calibration surface to micro bolometers. Many bolometer applications, such as TWS and DVE, require compact, power efficient actuators. Actuators in these applications, such as bistable solenoids and stepper motors, benefit from complex drive schemes. Consumer electronics products have generated compact, low-cost drive components that can be used to embed complex drives into these shutters. Shutter drives using these components maintain compactness and power efficiency while simplifying interfaces at minimal cost. Recently, several commercially available shutter systems have been created that incorporate embedded microprocessors into shutters usable for NUC correction of micro bolometers.

Citation Download Citation

S. Stephenson "Shutters with embedded microprocessors", Proc. SPIE 9451, Infrared Technology and Applications XLI, 94511H (8 June 2015); https://doi.org/10.1117/12.2180603

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