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Paper Information

Journal:   (JOURNAL OF ADVANCED DEFENCE SCIENCE AND TECHNOLOGY) JOURNAL OF PASSIVE DEFENCE SCIENCE AND TECHNOLOGY   SPRING 2018 , Volume 9 , Number 1 ; Page(s) 67 To 75.
 
Paper: 

EFFECT OF OPTICAL HOUSING TO REDUCE STRAY LIGHT IN SPACE OPTICAL PAYLOAD

 
 
Author(s):  ASADNEZHAD M., ESLAMI MAJD A.*, HAJGHASEM H.
 
* MALEKE-ASHTAR UNIVERSITY OF TECHNOLOGY
 
Abstract: 

In this paper, stray lights in optical system of remote sensing satellite camera is simulated. For this purpose, stray lights, sources of production and their destructive effects on the image quality is studied. Moreover, mechanisms to deal with these unwanted lights are presented. Then, the effect of optical housing and surface coatings on the performance of stray light in satellite camera, has been studied by the results of the simulation. Finally an optimal design includes a set of different techniques for improving the performance of the considered camera was selected. Simulation results show that by this method, at large angles, stray lights can be completely eliminated whereas at angles near the FOV, stray lights intensities can be very much reduced namely up to 100000 times of their original intensity without almost no serious disturbance in the camera’s field of view.

 
Keyword(s): STRAY LIGHT, SATELLITE CAMERA, RAY TRACING, REMOTE SENSING, IMAGE QUALITY, DETECTOR, OPTICAL HOUSING
 
References: 
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