REMOTE FIBER OPTIC SENSOR FOR GASEOUS AND LIQUID ENVIRONMENT BASED ON SURFACE ENHANCED RAMAN SPECTROSCOPY (SERS)

Award Information
Agency:
Department of Defense
Branch
Navy
Amount:
$499,000.00
Award Year:
1988
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Award Id:
5773
Agency Tracking Number:
5773
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
111 Downey St, Norwood, MA, 02062
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Dr Michael M Carrabba
(617) 769-9450
Business Contact:
() -
Research Institute:
n/a
Abstract
THERE IS A UNIVERSAL NEED WITHIN THE DEFENSE-RELATED OPERATIONS FOR CHEMICAL SENSING. IN MOST CASES, THE FAVORABLE CONFIGURATION OF A SENSOR WOULD BE ONE IN WHICH THE DETECTOR (I.E., PROBE) WOULD OPERATE IN SITU AND PRODUCE INFORMATION ON CHEMICAL COMPOSITION IN REAL TIME WITH A HIGH LEVEL OF SENSITIVITY (PPB OR LESS). IT IS THE GOAL OF THE PROPOSED WORK TO DEVELOP A "UNIVERSAL" REMOTE SENSOR FOR ORGANIC AND INORGANIC COMPOUNDS IN BOTH THE GASEOUS AND LIQUID ENVIRONMENT. THE PROPOSED SENSOR WOULD BE BASED ON SURFACE ENHANCED RAMAN SPECTROSCOPY (SERS). THE SERS SIGNAL, WHICH CORRESPONDS TO VIBRATIONAL SPECTRA OF A MOLECULE ADSORBED ONTO A ROUGHENED METAL SUBSTRATE, IS OBTAINED FROM THE RAMAN SCATTERING OFF THE SUBSTRATE USING A VISIBLE LASER SOURCE. REMOTE SENSING WILL BE ACHIEVED USING OPTICAL FIBERS FOR EXCITING THE METAL SUBSTRATE, CONTAINED IN A PROBE HEAD, AND FOR RETURNING THE SCATTERED LIGHT TO THE DETECTOR. THE GOAL OF PHASE I IS THE DEMONSTRATION THAT SERS CAN BE USED AS A GAS PHASE SENSOR FOR ORGANIC GASES OR MIXTURES OF ORGANIC GASES. THE GOAL OF THE PHASE II PROGRAM IS TO DEVELOP A SERS FIBER OPTIC BASED "UNIVERSAL" SENSOR FOR ORGANIC AND INORGANICS IN BOTH THE GASEOUS AND LIQUID ENVIRONMENTS.

* information listed above is at the time of submission.

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