Experimental study on the measurement of aspheric vertex radius with different clear apertures

Jie Mao; Xi Hou; Fan Wu

doi:10.1117/12.974288

15 October 2012 Experimental study on the measurement of aspheric vertex radius with different clear apertures

Jie Mao, Xi Hou, Fan Wu

Proceedings Volume 8417, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 84172J (2012) https://doi.org/10.1117/12.974288
Event: 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2012), 2012, Xiamen, China

Abstract

The vertex curvature radius is one of the important parameters to determine the properties of an optical aspheric. Instead of the direct measured values in the local vertex aperture, we usually adopt the global fitting values of vertex radius for full aperture. Based on the interferometric method of sphere radius, using iris diaphragm to align aspheric, the vertex curvature radius of local aperture is direct determined. Then, the tested vertex values of local aperture and the global fitting values are contrastively analyzed. This method offers some guidance for the measurement of vertex curvature radius of optical aspheric.

Citation Download Citation

Jie Mao, Xi Hou, and Fan Wu "Experimental study on the measurement of aspheric vertex radius with different clear apertures", Proc. SPIE 8417, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 84172J (15 October 2012); https://doi.org/10.1117/12.974288

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