Rapid optical delay scanning method and apparatus using time dependence of acousto-optic diffraction
US9683896B2 · kind B2 · utility
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Key dates
| Filing date | Feb 12, 2013 |
| Grant date | Jun 20, 2017 |
| Priority date | — |
| Expiry date | Jul 20, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2203/58
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method and a system for scanning a time delay between a first ultrafast optical pulse of duration shorter than 10 ps and a second ultrafast optical pulse of duration shorter than 10 ps, wherein the second ultrafast pulse is submitted to an acousto-optic Bragg diffraction by an acoustic pulse in the bulk of an acousto-optic material and the delay scanning is produced by time variation of the acoustic pulse in the material.
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