| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a laser processing head used in laser welding or the like which can exactly determine a thermal lens phenomenon of an optical component during laser processing by an extremely simple constitution. <P>SOLUTION: A temperature of the laser light permeation center o of protection glass 5 attached in a head housing 10 as the laser processing head 1A is measured, and a monitoring mechanism capturing the thermal lens phenomenon of the protection glass 5 is added on the basis of the measurement value. <P>COPYRIGHT: (C)2013,JPO&INPIT |
