Monitoring the Internal Temperature of Active Elements of High-Power Lasers Using Ultrasonic Probing

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发表日期：

2024年2月1日

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A. D. Mansfeld,
R. V. Belyaev,
G. P. Volkov,
A. A. Kuzmin,
A. G. Sanin,
A. A. Shaikin

摘要

Monitoring the internal temperature of active elements (AE) of high-power lasers is necessary for their safe operation. The article describes a method and device for monitoring the internal temperature of the AE of lasers. The measurements utilize pulsed ultrasonic (US) probing and the temperature dependence of the sound speed in the AE material. A change in the sound speed leads to a change in the phase of the ultrasonic signal passing through the object, which is recorded by the described device. The results of monitoring the AE temperature using ultrasonic probing during operation of an laser device are presented.