On-chip spectroscopic sensors with optical fringe suppression
Abstract
An on-chip spectroscopic sensor includes a tunable diode laser. A laser driver for drives the tunable diode laser. An analyte test cavity receives a chemical sample and exposes the received chemical sample to light from the tunable diode laser. An optical detector detects light emerging from the analyte test cavity as a result of the laser exposure. A spectral analyzer determines a spectrum of the emerging light, matches and removes one or more known optical fringe patterns from the determined spectrum, and determines a composition or concentration of the chemical sample from the optical fringe pattern-removed spectrum.
- Inventors:
- Issue Date:
- Research Org.:
- International Business Machines Corp., Armonk, NY (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1824021
- Patent Number(s):
- 11022542
- Application Number:
- 16/504,100
- Assignee:
- International Business Machines Corporation (Armonk, NY)
- Patent Classifications (CPCs):
-
G - PHYSICS G01 - MEASURING G01J - MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT
G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- DOE Contract Number:
- AR0000540
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 07/05/2019
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Green, William, Teng, Chu Cheyenne, Wysocki, Gerard, and Zhang, Eric Huayu. On-chip spectroscopic sensors with optical fringe suppression. United States: N. p., 2021.
Web.
Green, William, Teng, Chu Cheyenne, Wysocki, Gerard, & Zhang, Eric Huayu. On-chip spectroscopic sensors with optical fringe suppression. United States.
Green, William, Teng, Chu Cheyenne, Wysocki, Gerard, and Zhang, Eric Huayu. Tue .
"On-chip spectroscopic sensors with optical fringe suppression". United States. https://www.osti.gov/servlets/purl/1824021.
@article{osti_1824021,
title = {On-chip spectroscopic sensors with optical fringe suppression},
author = {Green, William and Teng, Chu Cheyenne and Wysocki, Gerard and Zhang, Eric Huayu},
abstractNote = {An on-chip spectroscopic sensor includes a tunable diode laser. A laser driver for drives the tunable diode laser. An analyte test cavity receives a chemical sample and exposes the received chemical sample to light from the tunable diode laser. An optical detector detects light emerging from the analyte test cavity as a result of the laser exposure. A spectral analyzer determines a spectrum of the emerging light, matches and removes one or more known optical fringe patterns from the determined spectrum, and determines a composition or concentration of the chemical sample from the optical fringe pattern-removed spectrum.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2021},
month = {6}
}
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