1. Extremely Large Telescope.
https://en.wikipedia.org/wiki/Extremely_Large_Telescope
2. William Herschel Telescope.
https://en.wikipedia.org/wiki/William_Herschel_Telescope
3. James Webb space telescope.
https://en.wikipedia.org/wiki/James_Webb_Space_Telescope
4. Hubble space telescope.
https://en.wikipedia.org/wiki/Hubble_Space_Telescope
5. X. Luo, Principles of electromagnetic waves in metasurfaces. Sci. China. Phys. Mech. Astron. 58, 594201 (2015)