Methods and systems for coherent multidimensional spectroscopy
US11486818B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 25, 2021 |
| Grant date | Nov 1, 2022 |
| Priority date | — |
| Expiry date | May 25, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2021/653
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for coherent multidimensional spectroscopy may comprise illuminating a location in a sample with a set of m coherent light pulses, each coherent light pulse having an initial frequency ωm and an initial wave vector {right arrow over (k)}m, wherein m≥2, to generate a coherent output signal having an initial frequency ωoutput=Σ±ωm and an initial wavevector wave vector {right arrow over (k)}output=Σ±{right arrow over (k)}m; scanning a first coherent light pulse of the set of m coherent light pulses across a set of i frequency values, wherein i≥2, the set of i frequency values including the first coherent light pulse having initial frequency ω1; scanning, simultaneously, a second coherent light pulse of the set of m coherent light pulses across a set of i correlated frequency values, the set of i correlated frequency values including the second coherent light pulse having initial frequency ω2, wherein each correlated frequency value is associated with a corresponding frequency value of the set of i frequency values as a correlated frequency grouping; and detecting the coherent output signal. Each correlated frequency value is selected so that the coherent output signal generat…
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