Accession Number : ADA319298

Title :   Development and Testing of Fast-Response Fiber-Optic Pressure Sensor.

Descriptive Note : Final rept. Oct 86-May 91,

Corporate Author : OAK RIDGE NATIONAL LAB TN APPLIED TECHNOLOGY DIV

Personal Author(s) : Smith, D. B. ; Allison, S. W. ; Muhs, J. D. ; Johnson, B. L., Sr

PDF Url : ADA319298

Report Date : DEC 1996

Pagination or Media Count : 56

Abstract : THIS EFFORT WAS TO DEVELOP FIBER OPTIC SENSORS FOR MEASURING RAPIDLY FLUCTUATING HIGH PRESSURES. TO UNDERSTAND THE EFFECTS OF BLAST WAVES PRODUCED BY EXPLOSIONS ON CIVIL STRUCTURES, IT IS NECESSARY TO KNOW THE STRENGTH OF SUCH PRESSURE WAVES. THE PROBLEM WITH CONVENTIONAL SENSORS WHICH USE THE MOTION OF A DIAPHRAGM OR DISK IS THAT THEY TEND TO VIBRATE ONCE THEY ARE STRUCT BY AN INITIAL PRESSURE SPIKE. THE GOAL WAS TO DEMONSTRATE FEASIBILITY OF FIBER-OPTIC SENSORS FOR PRESSURE TRANSIENT MEASUREMENT. THE SEVEN CRITERIA INVOLVED IN THE EVALUATION WERE (1) SENSITIVITY AND RANGE, (2) TIME RESPONSE, (3) NOISE CHARACTERISTICS, (4) RUGGEDNESS/DURABILITY, (5) COST OF MATERIALS AND ASSOCIATED EQUIPMENT, (6) EASE OF CONSTRUCTION, AND (7) SIMPLICITY OF SENSING MECHANISM.

Descriptors :   *FIBER OPTICS, *PRESSURE GAGES, *OPTICAL DETECTORS, TEST AND EVALUATION, PRESSURE GRADIENTS, SIGNAL PROCESSING, ELECTROOPTICS, PRESSURE TRANSDUCERS, SHOCK WAVES, REFRACTIVE INDEX, BLAST WAVES, HIGH PRESSURE, PRESSURE MEASUREMENT, FEASIBILITY STUDIES, RESPONSE, RUGGEDIZED EQUIPMENT, BLAST, STATIC TESTS, DYNAMIC TESTS, SHOCK TUBES.

Subject Categories : Optical Detection and Detectors
      Fiber Optics and Integrated Optics
      Explosions

Distribution Statement : APPROVED FOR PUBLIC RELEASE