This optical prescription is revolved around the optical axis to produce a full-shell mirror (i.e., the mirror spans the full circumference) that resembles a gently tapered cone.

Mirror, mirror trap the light: Measuring invisible light waves via electro-optic cavities. ScienceDaily . Retrieved July 12, 2025 from www.sciencedaily.com / releases / 2025 / 02 / 250212134834.htm ...