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Proceedings Paper

Experimental investigation of testing large aspheric surfaces with annular subaperture interferometric method
Author(s): Xi Hou; Fan Wu; Li Yang; Qiang Chen
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Paper Abstract

We describe a thorough processing procedure of experimental data from annular subaperture measurents, in which the crucial reconstruction algorithm is based on Zernike annular polynomials and matrix method. The result of simulation is satisfactory, and the proposed method is easier to implement than that of those overlapping annular subaperture interferometry. In addition, experimental results of testing parabolic mirror with about 700-mm diameter and 0.228 obscuration are also provided, and some limitations and considerations are discussed.

Paper Details

Date Published: 14 August 2006
PDF: 6 pages
Proc. SPIE 6292, Interferometry XIII: Techniques and Analysis, 62920I (14 August 2006); doi: 10.1117/12.678000
Show Author Affiliations
Xi Hou, Institute of Optics and Electronics (China)
Chinese Academy of Sciences (China)
Fan Wu, Institute of Optics and Electronics (China)
Li Yang, Institute of Optics and Electronics (China)
Qiang Chen, Institute of Optics and Electronics (China)

Published in SPIE Proceedings Vol. 6292:
Interferometry XIII: Techniques and Analysis
Katherine Creath; Joanna Schmit, Editor(s)

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