By using aperture-limited high-precision profilometry, comparison test could be performed on large-aperture aspheric mirrors. More high-precision testing methods could also be used for comparison ...
Typical layout used for testing large-aperture mirrors with a CGH as the null lens. A typical layout used for testing large-aperture mirrors with a CGH as the null lens. The surface shape of the ...
In the ultra-precision machining of optical components, the checking tools are specially used to control their surface shape accuracy. As the ultra-precision core component of telescope systems, the ...
In the ultra-precision machining of optical components, the checking tools are specially used to control their surface shape accuracy. As the ultra-precision core component of telescope systems, the ...
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