2023.230039 discusses diffraction-limited visible imaging for large aperture telescopes. The deformable mirror used in adaptive optics can change its surface to instantly correct the static ...

As the ultra-precision core component of telescope systems, the surface shape accuracy of large-aperture aspheric mirrors often requires to meet nanometer level, which is a severe challenge for ...

Some telescopes are surrounded by small ... per inch of aperture than just about any other. At the hearts of these outstanding, handcrafted instruments are their optics. The mirrors inside these ...

https://doi.org/10.1086/324374 • https://www.jstor.org/stable/10.1086/324374 Copy URL ABSTRACT This paper summarizes concept studies for a large telescope capable ...

The Simons Observatory (SO) has completed the installation of its Large Aperture Telescope (LAT ... with the final step being the placement of its two six-metre mirrors. Shortly after completion in ...

Researchers check the surface of a four-meter-aperture optical mirror developed by Changchun Institute of Optics, Fine Mechanics, and Physics of the Chinese Academy of Sciences in Changchun, northeast ...

A typical layout used for testing large-aperture mirrors with a CGH as the null lens. The surface shape of the equivalent element is obtained by scaling a large-aperture mirror along the optical axis.