Design and analysis of the flexible support structure of a space infrared detector

Dewei Sun; Guangyu Zhang; Ning Guo

doi:10.1117/12.833409

5 August 2009 Design and analysis of the flexible support structure of a space infrared detector

Dewei Sun, Guangyu Zhang, Ning Guo

Proceedings Volume 7383, International Symposium on Photoelectronic Detection and Imaging 2009: Advances in Infrared Imaging and Applications; 73832U (2009) https://doi.org/10.1117/12.833409
Event: International Symposium on Photoelectronic Detection and Imaging 2009, 2009, Beijing, China

Abstract

A flexible support structure of space infrared detector is presented so as to reduce the impacts of mechanical vibration, electromagnetic interference and temperature shift from outside environment. According to technical requirements of the infrared detector, the flexible support structure is designed, which mainly consists of two components: one component is planted in the outside of the infrared detector to shield electromagnetic wave called shield cover; the other component is a soft rubber ring, which can connect the shield cover to bracket forming a flexible support. In order to demonstrate its effectiveness on reducing vibration, parameter identification and dynamic analysis of this structure are carried out to calculate the acceleration of detector under sine vibration with different frequency. Then a new type composite material is used to produce the shield cover, which has some advantages such as lighter weight, higher stiffness and function of electromagnetic shielding. Besides, the soft rubber ring is made of a special rubber called XM-31. Not only can this rubber isolate the vibration, but insulate the heat, which will further improve the performance of detector. The flexible support structure has an important application value in the field of infrared detection and imaging.

Citation Download Citation

Dewei Sun, Guangyu Zhang, and Ning Guo "Design and analysis of the flexible support structure of a space infrared detector", Proc. SPIE 7383, International Symposium on Photoelectronic Detection and Imaging 2009: Advances in Infrared Imaging and Applications, 73832U (5 August 2009); https://doi.org/10.1117/12.833409

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KEYWORDS

Infrared detectors

Sensors

Composites

Electromagnetism

Electromagnetic radiation

Infrared cameras

Infrared radiation

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