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High-power and high-spatial-coherence broad-area power amplifier

Authors :
Andrews, John R
Schuster, Gregory L
Source :
Optics Letters. 16
Publication Year :
1991
Publisher :
United States: NASA Center for Aerospace Information (CASI), 1991.

Abstract

A broad-area AlGaAs amplifier operating CW has delivered 425 mW of total power with 342 mW in a single lobe diverging at 1.02 times the diffraction limit (FWHM 0.483 deg, 87.4-micron actual aperture) for a master oscillator input power of 70 mW. The spatial coherence of the amplifier output is 0.97, and the mutual spatial coherence between the oscillator and the amplifier is 0.96.

Subjects

Subjects :
Lasers And Masers

Details

Language :
English
ISSN :
01469592
Volume :
16
Database :
NASA Technical Reports
Journal :
Optics Letters
Publication Type :
Report
Accession number :
edsnas.19910057490
Document Type :
Report