A NOVEL TECHNIQUE FOR STUDYING WATER ASSOCIATED WITH OPTICAL FIBERS

Award Information
Agency:
Department of Defense
Branch
Army
Amount:
$486,300.00
Award Year:
1989
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Agency Tracking Number:
5925
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
H & N Instruments Inc.
412 Daniel Ave, Newark, OH, 43055
Hubzone Owned:
N
Socially and Economically Disadvantaged:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Dr Gary M Nishioka
(614) 927-0156
Business Contact:
() -
Research Institution:
n/a
Abstract
THE DEGRADATION IN OPTICAL AND MECHANICAL PROPERTIES OF FIBERS CAUSED BY ATMOSPHERIC WATER IS A SERIOUS PROBLEM. LITTLE IS KNOWN, HOWEVER, OF THE TYPES AND QUANTITIES OF WATER ACTUALLY ASSOCIATED WITH OPTICAL FIBERS, AND THE MECHANISM FOR THE DELETERIOUS EFFECT OF THESE STATES OF WATER. THIS PROJECT WILL UTILIZE A NEW METHOD TO STUDY THE WATER ASSOCIATED WITH OPTICAL FIBERS. THE METHOD CONTINUOUSLY MEASURES THE QUANTITY OF WATER DESORBED FROM FIBERS AS THEY ARE HEATED AT A CONSTANT RATE. THE METHOD CAN DISTINGUISH BETWEEN PHYSICALLY ADSORBED, CHEMICAL ADSORBED, NEAR SURFACE, AND BULK WATER. SINCE AS LITTLE AS 0.01 MICROGRAMS OF WATER CAN BE DETECTED FROMA 10 GRAM SAMPLE, THE METHOD IS SUFFICIENTLY SENSITIVE TO MEASURE SUBMONOLAYER QUANTITIES OF WATER. THE OBJECTIVE OF THIS PHASE I STUDY IS TO DEMONSTRATE THE USEFULNESS OF THE THERMODESORPTION METHOD THROUGH MEASURMENT OF THE WATER ASSOCIATED WITH THE BARE AND COATED OPTICAL FILAMENTS. WATER ADSORPTION ISOTHERMS WILL ALSO BE GENERATED FOR EACH SAMPLE. THIS PHASE I STUDY WILL GENERATE UNIQUE CHEMICAL INFORMATION CONCERNING OPTICAL FIBERS. THIS STUDY WILL SERVE AS THE BASIS FOR A COMPREHENSIVE EXAMINATION OF THE EFFECT OF ENVIRONMENTAL WATER ON OPTICAL FIBERS.

* information listed above is at the time of submission.

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