Mode properties of annular gain lasers

Mode properties of annular gain lasers

The properties of a new class of laser resonators are investigated theoretically and experimentally. In these lasers the radiation propagates longitudinally in an annular amplifying medium, and useful low loss modes can be obtained even when the axial region is obscured. Alignment characteristics an...

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Veröffentlicht in:Appl. Opt.; (United States) 1975-11, Vol.14 (11), p.2653-2661
Hauptverfasser: Casperson, L W, Shekhani, M S
Format: Artikel
Sprache:eng
Schlagworte:
420300 - Engineering- Lasers- (-1989)
CARBON DIOXIDE LASERS
ENGINEERING
GAS LASERS
LASERS
OSCILLATION MODES
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Beschreibung
Zusammenfassung:The properties of a new class of laser resonators are investigated theoretically and experimentally. In these lasers the radiation propagates longitudinally in an annular amplifying medium, and useful low loss modes can be obtained even when the axial region is obscured. Alignment characteristics and far field patterns are discussed, and experiments have been conducted using coaxial double-discharge CO(2) devices.
ISSN:1559-128X
0003-6935
1539-4522
DOI:10.1364/AO.14.002653