Articles liés à Radial Distribution of Absorption in a Cesium Heat...

Radial Distribution of Absorption in a Cesium Heat Pipe With Axial Laser Heating - Couverture souple

Fox, Charles D

 
9781249625018: Radial Distribution of Absorption in a Cesium Heat Pipe With Axial Laser Heating
Couverture souple
ISBN 10 : 1249625017 ISBN 13 : 9781249625018
Editeur : Biblioscholar, 2012

Synopsis

Diode Pumped Alkali Lasers (DPAL) have been scaled to greater than 100 W and exhibit slope efficiencies exceeding 80 percent, offering application for tactical laser weapons. The hybrid DPAL system combines efficient diode pumping with the good beam quality and thermal characteristics of gas lasers. Thermal effects on alkali concentration have been observed to degrade performance, while low speed flowing systems are in development. However, spatial gradients in temperature and concentrations have not previously been observed. In the present work, a 0.8 W/ cm2 pump laser at the D1 frequency heats the medium in a T=50-100C Cs heat pipe with 5 Torr nitrogen used for quenching. A 31 μW/cm22 diode laser probes the spectral absorbance of the Cs cell on the D2 transition with radial spatial resolution.

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Éditeur
Biblioscholar
Date d'édition
2012
Langue
anglais
ISBN 10 
1249625017
ISBN 13 
9781249625018
Reliure
Broché
Nombre de pages
70
Coordonnées du fabricant
non disponible
Personne responsable
non disponible