Nonlinear crystal
US10890824B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 21, 2018 |
| Grant date | Jan 12, 2021 |
| Priority date | — |
| Expiry date | Feb 21, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/3509
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A nonlinear crystal comprising a first curved face and an opposing second curved face is described. The first and second curved faces are arranged to provide the nonlinear crystal with rotational symmetry about at least one axis of the nonlinear crystal. The nonlinear crystal allows for frequency tuning of a generated optical field that is generated by propagating a fundamental optical field through the nonlinear crystal by rotation of the nonlinear crystal about an axis of rotation without any significant, or minimal, deviation being introduced to the generated optical field. These nonlinear crystals can therefore be incorporated into an external cavity frequency doubler or mixer without any need for the employment of optical compensation optics or servo control electronics to automatically realign the cavity mirrors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.