Interferometry of Moving Objects under Water.

Abstract

It has been demonstrated that interferometers using nonlinear optics are suitable for the task of examining underwater surface deformations that are much larger than optical wavelengths. The demonstration has been limited to 1.06-micron devices whose sensitivity is of the order of 100 micron. The precise sensitivity is somewhat adjustable by examining the object in transmission rather than reflection. The device has been operated under simulated field conditions, and has proved to be insensitive to high levels of vibration. The attempt to make a more sensitive device operating at 0.69 micron has not been successful. (Author)

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Nov 01, 1983
Accession Number
ADA136136

Entities

People

  • F. A. Hopf

Organizations

  • University of Arizona

Tags

DTIC Thesaurus Topics

  • Availability
  • Classification
  • Contracts
  • Distortion
  • Field Conditions
  • Interferometers
  • Interferometry
  • Laser Beams
  • Lasers
  • Materials
  • Military Research
  • Nonlinear Optics
  • Optical Interferometers
  • Optical Materials
  • Propeller Shafts
  • Security
  • Sensitivity

Fields of Study

  • Physics

Readers

  • Optical Physics and Photonics.
  • Robotics and Automation.