An instrument for inspecting aspheric optical surfaces and components

Abstract

A universal, extended dynamic range novel optical inspection system for aspheric optical components and optics that are not easily inspected with conventional interferometry is presented. Modern optical design and manufacturing procedures have begun using such components more and more in routine applications to improve optical system capability. Inspection tools required for these types of optical components have lagged the capability to manufacture them. In this paper unique measurement procedures employing digital holography combined with a spatial light modulator are discussed for complex shapes such as aspheres and mandrels.

Aspherical surfaces approximation in automated design of optical systems

“…[2,8]. С учетом совре-менных возможностей производства и контроля асферические поверхности становятся все более востре-бованными, поскольку позволяют во многих случаях уменьшить количество используемых элементов, и, соответственно, сократить габариты системы, и уменьшить ее вес [8][9][10][11][12]. Традиционно асферические поверхности принято разделять на поверхности второго и высшего порядка.…”