Concept for Measuring Laser Beam-Quality Parameters.
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概要
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This paper provides brief descriptions of recent developments in the basic formulas and measurement methods for determining laser beam-quality. The <I>M</I><SUP>2</SUP> factor concept has been studied in order to describe the laser beam quality of real laser beams, including potentially multimode and arbitrarily distorted laser beams. The study shows that the <I>M</I><SUP>2</SUP> value can be determined by measuring the beam spot sizes around the beam-waist. In addition, various methods for measuring beam spot sizes are discussed. Finally, the beam quality of fiberbundled diode lasers is evaluated by the moving-slit method. A good agreement is obtained between the theoretical and experimental beam propagation results.
- 社団法人 レーザー学会の論文
社団法人 レーザー学会 | 論文
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