Nd:YAG laser rod manufactured by femtosecond laser-induced chemical etching

被引：3
|
作者：
Smith, Nicholas A. [1 ,2 ]
Mackenzie, Mark D. [2 ]
Morris, James M. [1 ,2 ]
Kar, Ajoy K. [2 ]
Bookey, Henry T. [1 ]
机构：
[1] Fraunhofer UK Res Ltd, Fraunhofer Ctr Appl Photon, 99 George St, Glasgow G1 4RD, Lanark, Scotland
[2] Heriot Watt Univ, Inst Photon & Quantum Sci, Edinburgh Campus,Boundaty Rd North, Edinburgh EH14 4AS, Midlothian, Scotland
来源：
OPTICAL MATERIALS EXPRESS | 2021年 / 11卷 / 12期
基金：
英国工程与自然科学研究理事会;
关键词：
ND-YAG LASER; GLASS;
D O I：
10.1364/OME.443964
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We present a cylindrical rod of single-crystal Nd:YAG fabricated from a bulk crystal using femtosecond laser-induced preferential etching. The rod is pumped at 808 nm, and the laser characteristics at 1064 nm emission and the thermal stability are investigated. The slope efficiency was determined with a maximum optical-to-optical efficiency of 7.9%*0.29% and a FWHM linewidth of 299 +/- 63 pm. The etched rod shows parameters consistent with existing Nd:YAG gain crystals. This fabrication technology will find use in composite micro-optical devices where microfluidics, active and passive optics, and structures can be etched out of many different materials and combined into a single device. Published by Optica Publishing Group under the terms of the Creative Commons Attribution 4.0 License.
引用
收藏
页码：3946 / 3953
页数：8
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