skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Miniature Chemical Sensor Combining Molecular Recognition with Evanescent Wave Cavity Ring-Down Spectroscopy

Technical Report ·
DOI:https://doi.org/10.2172/834660· OSTI ID:834660

To address DOE's chemical sensing needs, a new class of chemical sensors is being developed to enable qualitative and quantitative, remote, real-time, optical diagnostics of chemical species in hazardous gas, liquid, and semi-solid phases by employing evanescent wave cavity ring-down spectroscopy (EWCRDS). The sensitivity of EW-CRDS was demonstrated previously under Project No.60231. The objective of this project is to achieve highly selective chemical detection in a complex matrix of interferants by combining EW-CRDS with molecular recognition (MR) chemistry and by exploiting the polarization dependence of EW-CRDS to enhance optical selectivity.

Research Organization:
National Institute of Standards and Technology, Gaithersburg, MD (US)
Sponsoring Organization:
USDOE Office of Environmental Management (EM) (US)
DOE Contract Number:
AI07-97ER62518
OSTI ID:
834660
Report Number(s):
EMSP-73844-2001; R&D Project: EMSP 73844; TRN: US0407301
Resource Relation:
Other Information: PBD: 15 Jun 2001
Country of Publication:
United States
Language:
English