Smith, 1964 - Google Patents
Optical maser action in the negative glow region of a cold cathode glow dischargeSmith, 1964
- Document ID
- 8410319050156942403
- Author
- Smith J
- Publication year
- Publication venue
- Journal of Applied Physics
External Links
Snippet
THE negative glow region of a cold cathode glow discharge is being examined as an active medium for optical maser action. The results given were obtained using cylindrical hollow cathodes. Intense concentration of the negative glow within such a cathode can be obtained …
- 241000931526 Acer campestre 0 title abstract description 6
Classifications
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01S—DEVICES USING STIMULATED EMISSION
- H01S3/00—Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
- H01S3/02—Constructional details
- H01S3/03—Constructional details of gas laser discharge tubes
- H01S3/034—Optical devices within, or forming part of, the tube, e.g. windows, mirrors
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01S—DEVICES USING STIMULATED EMISSION
- H01S3/00—Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
- H01S3/05—Construction or shape of optical resonators; Accomodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/081—Construction or shape of optical resonators or components thereof comprising more than two reflectors
- H01S3/083—Ring lasers
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01S—DEVICES USING STIMULATED EMISSION
- H01S3/00—Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
- H01S3/05—Construction or shape of optical resonators; Accomodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/086—One or more reflectors having variable properties or positions for initial adjustment of the resonator
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01S—DEVICES USING STIMULATED EMISSION
- H01S3/00—Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
- H01S3/05—Construction or shape of optical resonators; Accomodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/08018—Mode suppression
- H01S3/0804—Transverse or lateral mode control, e.g. specifically multimode
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01S—DEVICES USING STIMULATED EMISSION
- H01S3/00—Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
- H01S3/14—Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves characterised by the material used as the active medium
- H01S3/22—Gases
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
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