Research on high precision measuring technique for the curvature radius of concave spherical surface.

Details Research on high precision measuring technique for the curvature radius of concave spherical surface. Research on high precision measuring technique for the curvature radius of concave spherical surface.

Sep 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995spie.2536..489j&link_type=abstract

Proc. SPIE - Int. Soc. Opt. Eng., Vol. 2536, p. 489 - 497

Statistics

Applications

Optical Components: Measurements

Scientific paper

A novel focus-setting technique is elaborated in terms of its theoretical analysis and experimental results. Using the new technology a high precision instrument for measuring curvature radius of a polished concave spherical surface has been developed and its practical applications are discussed. According to the appraisal made by authoritative experts, the relative measuring error of the curvature radius has been reduced to the magnitude of ΔR/R ≤ 1/100000. The present instrument is one of the key measuring devices in developing high imaging quality and large size optical instruments in advanced science and technology.

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