Optical Fiber Electromagnetic Radiation Detector.
Abstract
Apparatus is provided to detect electromagnetic radiation, in which a radiation-absorbing element is disposed on a short section of an optical waveguide to provide a thermal interface there between. Radiation is absorbed by the element, which thereby heats the waveguide, causing it to change its optical pathlength in proportion to the radiation absorbed. Interferometer apparatus is connected to measure this change in optical pathlength as a change in the interference condition. This device is highly sensitive and can be operated at room temperature.
Document Details
- Document Type
- Technical Report
- Publication Date
- Sep 30, 1992
- Accession Number
- ADD016114
Entities
People
- Lloyd Bobb
Organizations
- United States Department of the Navy