Secondary concentrators are needed in solar thermal propulsion to further concentrate the energy collected by large lightweight primary concentrators. Although the physics of secondary concentrators has been worked out in detail and the manufacturing has been successfully completed for a ground demonstration, there is a need to quantify the specific performance of as-manufactured concentrators. This paper summarizes the properties of a secondary concentrator manufactured for the Integrated Solar Upper State engine ground demonstration in 1997 and presents data obtained from the optic that describe the performance of the as-manufactured component.


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    Title :

    Optical evaluation of an As-manufactured compound secondary concentrator



    Conference:

    Space technology and applications international forum -1999 ; 1999 ; Albuquerque, New Mexico (USA)


    Published in:

    AIP Conference Proceedings ; 458 , 1 ; 621-626


    Publication date :

    1999-01-22


    Size :

    6 pages





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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