On-Board Performance of Star Trackers With Very High Absorber CNT Film Coated Baffles

Very high absorbers are required for stray light attenuation in the space borne systems. Carbon Nano Tube (CNT) based films have been qualified for space applications. The paper provides details on the development of CNT films for space applications and a comparison between the on-board performance...

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Bibliographic Details
Published in:	2024 IEEE Space, Aerospace and Defence Conference (SPACE) pp. 497 - 500
Main Authors:	Gouda, Girish M, Das, Debashree, R, Murulidhara K, R, Venkateswaran, Arvind, Kalpana, V, Sriram K
Format:	Conference Proceeding
Language:	English
Published:	IEEE 22-07-2024
Subjects:	Attenuation Carbon CNT film Electron tubes GSAT24 High absorber on-board performance Star Tracker Stars Stray light
Online Access:	Get full text
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Summary:	Very high absorbers are required for stray light attenuation in the space borne systems. Carbon Nano Tube (CNT) based films have been qualified for space applications. The paper provides details on the development of CNT films for space applications and a comparison between the on-board performance of the star trackers with Black Absorber Coated (BAC) baffle and very high absorber CNT film coated baffles. The analysis of the on-board star tracker data with CNT film coated baffle (in GSAT-24) and BAC baffle (in GSAT-30) shows that CNT film contributes to the improved on-board performance of the attitude sensor.
DOI:	10.1109/SPACE63117.2024.10668312