Anisotropic stimulated emission cross-section measurement in Nd: YVO4

doi:10.1088/1674-1056/28/4/044204

中国物理B ›› 2019, Vol. 28 ›› Issue (4): 44204-044204.doi: 10.1088/1674-1056/28/4/044204

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Anisotropic stimulated emission cross-section measurement in Nd: YVO₄

Rui Guo(郭瑞), Yijie Shen(申艺杰), Yuan Meng(孟鸢), Mali Gong(巩马理)

1 Department of Precision Instrument, State Key Laboratory of Precision Measurement and Instruments, Tsinghua University, Beijing 100084, China;
2 Department of Precision Instrument, State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China

收稿日期:2018-08-16 修回日期:2019-01-18 出版日期:2019-04-05 发布日期:2019-04-05
通讯作者: Mali Gong E-mail:gongml@mail.tsinghua.edu.cn

Anisotropic stimulated emission cross-section measurement in Nd: YVO₄

Rui Guo(郭瑞)¹, Yijie Shen(申艺杰)¹, Yuan Meng(孟鸢)¹, Mali Gong(巩马理)^1,2

1 Department of Precision Instrument, State Key Laboratory of Precision Measurement and Instruments, Tsinghua University, Beijing 100084, China;
2 Department of Precision Instrument, State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China

Received:2018-08-16 Revised:2019-01-18 Online:2019-04-05 Published:2019-04-05
Contact: Mali Gong E-mail:gongml@mail.tsinghua.edu.cn

摘要/Abstract

摘要：

As a crucial parameter in the design and analysis of laser performances, stimulated emission (SE) cross-section is currently considered to be dependent on several factors, such as temperatures and eigen-polarizations for anisotropic crystals. In contrast with these factors, impact of propagating directions upon SE cross-section has garnered less attention. In this paper, to investigate the SE cross-section in arbitrary propagating directions, fluorescence spectra for the transition ⁴F_3/2→⁴I_11/2 in Nd:YVO₄ are measured in different propagating directions. Based on Fuchtbauer-Ladenburg equation model, the propagating direction-dependent SE cross-section spectra in Nd:YVO₄ are obtained for the first time, to our best knowledge. A novel concept of anisotropic SE cross-section is proposed to interpret the propagating direction-dependent effect. The experiment results reveal that for an arbitrary propagating direction the SE cross-section of e light around 1064 nm can be expressed as a superposition from two principle axial propagating directions with a weight of plane projection.

关键词: solid-state lasers, stimulated emission cross-section, Nd:YVO₄, laser spectroscopy

Abstract:

Key words: solid-state lasers, stimulated emission cross-section, Nd:YVO₄, laser spectroscopy

中图分类号: (General laser theory)

42.55.Ah

42.60.Lh (Efficiency, stability, gain, and other operational parameters) 42.62.Fi (Laser spectroscopy) 42.60.By (Design of specific laser systems)

郭瑞, 申艺杰, 孟鸢, 巩马理. Anisotropic stimulated emission cross-section measurement in Nd: YVO₄[J]. 中国物理B, 2019, 28(4): 44204-044204.

Rui Guo(郭瑞), Yijie Shen(申艺杰), Yuan Meng(孟鸢), Mali Gong(巩马理). Anisotropic stimulated emission cross-section measurement in Nd: YVO₄[J]. Chin. Phys. B, 2019, 28(4): 44204-044204.

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Anisotropic stimulated emission cross-section measurement in Nd: YVO₄

Anisotropic stimulated emission cross-section measurement in Nd: YVO₄

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