Open-Path Spatial Ring Down Spectrometer for Chemical Vapor Detection

Award Information
Agency: Department of Defense
Branch: Office for Chemical and Biological Defense
Contract: W911-SR-19-C-0002
Agency Tracking Number: C2-0494
Amount: $999,863.17
Phase: Phase II
Program: SBIR
Solicitation Topic Code: CBD171-004
Solicitation Number: 2017.0
Timeline
Solicitation Year: 2017
Award Year: 2019
Award Start Date (Proposal Award Date): 2018-11-08
Award End Date (Contract End Date): 2020-11-07
Small Business Information
20 New England Business Center, Andover, MA, 01810
DUNS: 073800062
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Elizabeth Schundler
 (978) 738-8283
 eschundler@psicorp.com
Business Contact
 B. David Green
Phone: (978) 738-8146
Email: green@psicorp.com
Research Institution
N/A
Abstract
Physical Science Inc. (PSI) will develop a new approach to chemical vapor detection based on a novel open-path sample cell design. The PhaseI system level model predicts SNR supporting a probability of detection of 95% and a MTBFA of 168 hours for all relevant CWAs and TICs at the10 minute negligible MEG level at a 20 s measurement time. In addition to robust detection, the system design can provide quantificationprecision to better than 4%. A breadboard system was designed, built and used to validate that the model-predicted signal trends wereobserved. A conceptual design and CDD were also generated for the prototype showing a pathway to achieving the size, weight, power andcost requirements. The sensor developed under this effort addresses the four major limitations of current man-portable chemical detectors:clear down delays, as well as limited dynamic range, precision and spectral library. The Phase II effort will focus on the design, build and testof 3 prototype sensors. The performance of these sensors will be demonstrated through a combination of laboratory testing againstsimulants and testing against live agents at a certified laboratory.

* Information listed above is at the time of submission. *

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