Trace gas detection with 2-photon, 2-color, cavity ring-down spectroscopy
Abstract
In one aspect, a method of detecting a trace gas is disclosed. The method includes containing the trace gas in an optical cavity. The method further includes injecting a first laser light from a first laser into the optical cavity causing the trace gas to transition from an energy state lower that a first excited energy state to the first excited energy state, and injecting a second laser light from a second laser into the optical cavity causing the trace gas to transition from the first excited energy state to a second excited energy state. The method includes measuring, by a detector, a first cavity ringdown intensity as a function of time after turning off the second laser with the first laser on, and a second cavity ringdown intensity as a function of time after turning off the second laser with the first laser off.
- Inventors:
- Issue Date:
- Research Org.:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1987146
- Patent Number(s):
- 11585753
- Application Number:
- 17/709,222
- Assignee:
- Lawrence Livermore National Security, LLC (Livermore, CA)
- DOE Contract Number:
- AC52-07NA27344
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 03/30/2022
- Country of Publication:
- United States
- Language:
- English
Citation Formats
McCartt, Daniel, and Jiang, Jun. Trace gas detection with 2-photon, 2-color, cavity ring-down spectroscopy. United States: N. p., 2023.
Web.
McCartt, Daniel, & Jiang, Jun. Trace gas detection with 2-photon, 2-color, cavity ring-down spectroscopy. United States.
McCartt, Daniel, and Jiang, Jun. Tue .
"Trace gas detection with 2-photon, 2-color, cavity ring-down spectroscopy". United States. https://www.osti.gov/servlets/purl/1987146.
@article{osti_1987146,
title = {Trace gas detection with 2-photon, 2-color, cavity ring-down spectroscopy},
author = {McCartt, Daniel and Jiang, Jun},
abstractNote = {In one aspect, a method of detecting a trace gas is disclosed. The method includes containing the trace gas in an optical cavity. The method further includes injecting a first laser light from a first laser into the optical cavity causing the trace gas to transition from an energy state lower that a first excited energy state to the first excited energy state, and injecting a second laser light from a second laser into the optical cavity causing the trace gas to transition from the first excited energy state to a second excited energy state. The method includes measuring, by a detector, a first cavity ringdown intensity as a function of time after turning off the second laser with the first laser on, and a second cavity ringdown intensity as a function of time after turning off the second laser with the first laser off.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Feb 21 00:00:00 EST 2023},
month = {Tue Feb 21 00:00:00 EST 2023}
}
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