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Power‐scaling effects in dye lasers under high‐power laser excitation

 

作者: C. A. Moore,   C. David Decker,  

 

期刊: Journal of Applied Physics  (AIP Available online 1978)
卷期: Volume 49, issue 1  

页码: 47-60

 

ISSN:0021-8979

 

年代: 1978

 

DOI:10.1063/1.324343

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Eight laser dyes emitting in the spectral region from 550 to 915 nm were investigated to determine their power scalability under excitation byQ‐switched frequency‐doubled Nd : YAG lasers possessing up to 480 mJ pulse energy at 10 Hz pulse repetition frequency (PRF). Conversion efficiencies for some dyes begin to be limited at pump‐power densities as low as 14 MW/cm2due to excited‐state absorption of the pumping radiation. The dependence on resonator length of dye spectral emission, conversion efficiency, and temporal modulation are reported. Divergence of the beam emerging from the dye laser was found to be adversely affected by measures taken to avoid output power saturation at high pump‐power densities.

 

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