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

Nicholas A. Smith; Mark D. MacKenzie; James M. Morris; Ajoy K. Kar; Henry T. Bookey

doi:10.1364/OME.443964

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

Nicholas A. Smith^*, Mark D. MacKenzie, James M. Morris, Ajoy K. Kar, Henry T. Bookey

^*Corresponding author for this work

School of Engineering & Physical Sciences

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

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Abstract

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.

Original language	English
Pages (from-to)	3946-3953
Number of pages	8
Journal	Optical Materials Express
Volume	11
Issue number	12
Early online date	2 Nov 2021
DOIs	https://doi.org/10.1364/OME.443964
Publication status	Published - 1 Dec 2021

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials

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title = "Nd:YAG laser rod manufactured by femtosecond laser-induced chemical etching",

abstract = "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.",

author = "Smith, {Nicholas A.} and MacKenzie, {Mark D.} and Morris, {James M.} and Kar, {Ajoy K.} and Bookey, {Henry T.}",

note = "Funding Information: Acknowledgements. This work is funded by the UK Engineering and Physical Science Research Council (EPSRC) (EP/L01596X/1) via the CDT in Applied Photonics. Publisher Copyright: {\textcopyright} 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement.",

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AU - Smith, Nicholas A.

AU - MacKenzie, Mark D.

AU - Morris, James M.

AU - Kar, Ajoy K.

AU - Bookey, Henry T.

N1 - Funding Information: Acknowledgements. This work is funded by the UK Engineering and Physical Science Research Council (EPSRC) (EP/L01596X/1) via the CDT in Applied Photonics. Publisher Copyright: © 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement.

PY - 2021/12/1

Y1 - 2021/12/1

N2 - 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.

AB - 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.

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JO - Optical Materials Express

JF - Optical Materials Express

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

Abstract

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