| 摘要 |
PROBLEM TO BE SOLVED: To provide a laser type gas analyzer capable of applying desired vibration to an optical part and capable of reducing interference noise originating from a laser beam to enable the measurement of high precision.SOLUTION: In the laser type gas analyzer, a laser element vibration means 28A for finely vibrating a laser element 24 in an optical axis direction is constituted of a straight rod 92, the piezoelectric elements 93 arranged at both ends of the straight rod and fine projections 91 formed in the loop of the standing wave of the straight rod. |
