10.6 Micron Parametric Frequency Converter
Abstract
This program addresses an approach which should lead to a new class of electro-optical devices such as single sideband modulators, tunable local oscillators, and frequency shifters, using the resonant interaction of optical and microwave fields in a gas whose energy level structure is controlled by an applied electric field (Stark effect). The molecule NH2D has an infrared absorption line which may be tuned into resonance with the P(20) 10.6 micrometer CO2 laser transition by application of an electric field. The authors exploited this interaction to frequency stabilize a gigahertz tunable waveguide CO2 laser, demonstrating precise control of the waveguide laser frequency over a bandwidth greater than 1 GHz, and solving one of the major problems in CO2 laser frequency control. The experience with these interactions in Stark tunable molecules has stimulated the concepts and ideas which are being implemented in this program.
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 01, 1975
- Accession Number
- ADA009112
Entities
People
- R. L. Abrams
Organizations
- HRL Laboratories