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

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.

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Document Details

Document Type
Technical Report
Publication Date
Dec 01, 1996
Accession Number
ADA319298

Entities

People

  • B. L. Johnson Sr.
  • D. B. Smith
  • J. D. Muhs
  • S. W. Allison

Organizations

  • Oak Ridge National Laboratory

Tags

Communities of Interest

  • Sensors

DTIC Thesaurus Topics

  • Blast
  • Blast Waves
  • Construction
  • Energetic Materials
  • Explosions
  • Explosives
  • High Pressure
  • Materials
  • Measurement
  • Pressure Measurement
  • Resilience
  • Sensitivity
  • Skeletal Muscle
  • Test And Evaluation

Readers

  • Combustion Dynamics and Shock Wave Physics.
  • Optical Physics and Photonics.
  • Sensor Fusion and Tracking Systems.