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 ...
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 ...
The aperture mirror structure enhances cooling as its geometry brings into play both the emissivity of the radiative surface and the emissivity of the atmosphere. In a world where rising temperatures ...
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