2000•Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIERequires access
Exploration for constructing superlarge-aperture plane wavefront (SLAPW)
Zhaoxiang Ge, Xiangning Li, Chengliang Wang
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Abstract
A kind of super larger, aperture combined, reflective plane wavefront is recommended in this paper. Structure principle and the method of forming accurate plane wavefront are described. Accuracy is analyzed, and several results of local experiments for arguments are discussed. All these prove that the SLAPW with accuracy higher than λ/20(λ-wavelength) can be constructed, which will be used in testing astronomic instruments with any super large aperture.