Ultrafast, multiphoton-pump, multiphoton-probe spectroscopy
Abstract
Methods for pump-probe spectroscopy are provided. In an embodiment, such a method comprises directing pump light having a frequency ωpump at a location in a sample to excite a transition between two quantum states of a target entity in the sample, directing probe light at the location to generate a coherent output signal having a frequency ωoutput and a wavevector koutput, and detecting the output signal as the probe light is scanned over a range of frequencies. In the method, either the transition excited by the pump light is a multiphoton transition corresponding to a frequency difference of n*ωpump, wherein n≥2; or the probe light is a set of m coherent light pulses, each coherent light pulse having a frequency ωm and a wavevector km, wherein m≥2; or both. Systems for carrying out the methods are also provided.
- Inventors:
- Issue Date:
- Research Org.:
- Univ. of Wisconsin, Madison, WI (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1771585
- Patent Number(s):
- 10823664
- Application Number:
- 16/446,750
- Assignee:
- Wisconsin Alumni Research Foundation (Madison, WI)
- Patent Classifications (CPCs):
-
G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- DOE Contract Number:
- SC0002162
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 06/20/2019
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Morrow, Darien James, Kohler, Daniel David, and Wright, John Curtis. Ultrafast, multiphoton-pump, multiphoton-probe spectroscopy. United States: N. p., 2020.
Web.
Morrow, Darien James, Kohler, Daniel David, & Wright, John Curtis. Ultrafast, multiphoton-pump, multiphoton-probe spectroscopy. United States.
Morrow, Darien James, Kohler, Daniel David, and Wright, John Curtis. Tue .
"Ultrafast, multiphoton-pump, multiphoton-probe spectroscopy". United States. https://www.osti.gov/servlets/purl/1771585.
@article{osti_1771585,
title = {Ultrafast, multiphoton-pump, multiphoton-probe spectroscopy},
author = {Morrow, Darien James and Kohler, Daniel David and Wright, John Curtis},
abstractNote = {Methods for pump-probe spectroscopy are provided. In an embodiment, such a method comprises directing pump light having a frequency ωpump at a location in a sample to excite a transition between two quantum states of a target entity in the sample, directing probe light at the location to generate a coherent output signal having a frequency ωoutput and a wavevector koutput, and detecting the output signal as the probe light is scanned over a range of frequencies. In the method, either the transition excited by the pump light is a multiphoton transition corresponding to a frequency difference of n*ωpump, wherein n≥2; or the probe light is a set of m coherent light pulses, each coherent light pulse having a frequency ωm and a wavevector km, wherein m≥2; or both. Systems for carrying out the methods are also provided.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {11}
}
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