Some Fundamental Properties of High Power Laser Beam as a Heat Source (Report 1) : Beam Focusing Characteristics of CO_2 Laser

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概要

• 論文の詳細を見る

• Beam focusing characteristics of multimode laser which is constructed for a heat source are discussed. The size and shape of the focused laser beam spots are measured at various locations on the chief ray under various focusing conditions using a simple method. The method of measuring beam energy distribution at focal point and focal line is developed. Its profile obtained by a concave spherical mirror with a radius of curvature 310mm may be approximated by a Gaussian curve having 0.5 mm diameter at e^<-1> power point. It is shown that deep hole can be obtained due to "self-focusing effect" of the laser beam in the drilled hole.

• 社団法人溶接学会の論文

著者

• Miyamoto Isamu

  Faculty Of Engineering Osaka Univ.

• ARATA Yoshiaki

  Faculty of Engineering, Osaka University

• Arata Yoshiaki

  Faculty Of Engineering Osaka Univ.

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