RF oscillator circuit for absorption coefficient measurement of piezoelectric materials

被引：3

作者：

Zotov, K. V. ^{[1
]}

Grischenko, I. V. ^{[2
]}

Konyashkin, A. V. ^{[2
]}

Ryabushkin, O. A. ^{[2
]}

机构：

[1] Moscow Inst Phys & Technol, Dolgoprudnyy 141700, Moscow, Russia

[2] Russian Acad Sci, Kotelnikov Inst Radioengn & Elect, Fryazino Branch, Fryazino 141190, Moscow, Russia

来源：

APPLIED OPTICS | 2023年 / 62卷 / 15期

关键词：

OPTICAL-ABSORPTION; IONIC-CONDUCTIVITY; CRYSTALS;

D O I：

10.1364/AO.485644

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have introduced an approach for low optical absorption coefficient measurement of piezoelectric materials based on the piezoelectric resonance laser calorimetry (PRLC) method. An RF oscillator circuit provides a conven-ient way to track the piezoelectric resonance frequency during laser irradiation. In this work, the optical absorption coefficient of lithium triborate crystal under high-power IR laser irradiation was measured using the oscillator circuit and the conventional PRLC technique.(c) 2023 Optica Publishing Group

引用

页码：4047 / 4051

页数：5

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