Two-color wave mixing upconversion in structured waveguides
US11209717B2 · kind B2 · utility
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34Claims
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Key dates
| Filing date | Dec 14, 2018 |
| Grant date | Dec 28, 2021 |
| Priority date | — |
| Expiry date | Dec 14, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/392
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Apparatus and methods for generating controllable, narrow-band radiation at short wavelengths, driven by two colors injected into a structured waveguide. The use of multicolor excitation with the structured waveguide allows the use of very small guided beam diameters, without damaging the waveguide. Reduced guided wave mode area combined with low intensities required to drive wave-mixing frequency conversion allow the use of very compact, high average power, moderate peak intensity femtosecond fiber laser technology to drive useful conversion efficiency of laser light into the deep-UV and vacuum-UV at MHz repetition rates.
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