Briglin, Shawn M. and Burl, Michael C. and Freund, Michael S. and Lewis, Nathan S. and Matzger, Adam and Ortiz, D. Nelson and Tokumaru, Phil (2000) Progress in use of carbon-black-polymer composite vapor detector arrays for land mine detection. In: Detection and Remediation Technologies for Mines and Minelike Targets V. Proceedings of SPIE. No.4038. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, pp. 530-538. ISBN 081943664X. https://resolver.caltech.edu/CaltechAUTHORS:20180720-162850664
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Abstract
Thin films of carbon black-organic polymer composites have been deposited across two metallic leads, with swelling- induced resistance changes of the films signaling the presence of vapors. To identify and classify vapors, arrays of such vapor sensing elements have been constructed. Each element contained a different organic polymer as the insulating phase. The differing gas-solid partition coefficients for the various polymers of the detector array produced a pattern of resistance changes that was used to classify vapors and vapor mixtures. The performance of this system towards DNT, the predominant signature in the vapor phase above land miens, has been evaluated in detail, with robust detection demonstrated in the laboratory in less than 5 s in air at DNT levels in the low ppb range.
| Item Type: | Book Section | ||||||
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| Additional Information: | © 2000 Society of Photo-Optical Instrumentation Engineers (SPIE). We acknowledge an OSD ARO MURI for demining, and DARPA, for support of this work. | ||||||
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| Subject Keywords: | Land mine, vapor sensors, DNT, carbon black | ||||||
| Series Name: | Proceedings of SPIE | ||||||
| Issue or Number: | 4038 | ||||||
| DOI: | 10.1117/12.396281 | ||||||
| Record Number: | CaltechAUTHORS:20180720-162850664 | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20180720-162850664 | ||||||
| Official Citation: | Shawn M. Briglin, Michael C. Burl, Michael S. Freund, Nathan Saul Lewis, Adam J. Matzger, D. Nelson Ortiz, Phil Tokumaru, "Progress in use of carbon-black-polymer composite vapor detector arrays for land mine detection", Proc. SPIE 4038, Detection and Remediation Technologies for Mines and Minelike Targets V, (22 August 2000); doi: 10.1117/12.396281; https://doi.org/10.1117/12.396281 | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 88107 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | George Porter | ||||||
| Deposited On: | 23 Jul 2018 19:49 | ||||||
| Last Modified: | 16 Nov 2021 00:23 |
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