Coupled High Power Waveguide Laser Research.
Abstract
The experimental and theoretical progress that has been made in the coupled high power waveguide laser research program is reported. A problem has been encountered with the hollow-bore ridge waveguide laser array approach in which multimode operation occurs when the array is increased to above three elements. Alternative waveguide geometries were explored with the objective of achieving both phase locked operation and mode discrimination for an array size of 5 elements. Three new waveguide geometries were investigated. Of these new geometries, a modified hollow-bore ridge waveguide, utilizing a staggered ridge, has been used successfully to obtain single mode operation. This array, with a gain volume equivalent to six waveguide lasers, produced an output of 68 watts. The theoretical effort has resulted in the development of a theoretical method for calculating the modes and frequencies of two coupled rectangular waveguides separated by an infinitely thin partition with a gap in it.
Document Details
- Document Type
- Technical Report
- Publication Date
- Sep 30, 1987
- Accession Number
- ADA189800
Entities
People
- A. J. Cantor
- J. T. Kennedy
- L. A. Newman
- R. A. Hart
Organizations
- United Technologies Corporation