Synthesis of various sized ZnO microspheres by laser ablation and their lasing characteristics

Daisuke Nakamura; Tetsuya Simogaki; Kota Okazaki; Mitsuhiro Higashihata; Hiroshi Ikenoue; Tatsuo Okada

doi:10.2961/jlmn.2013.03.0018

Synthesis of various sized ZnO microspheres by laser ablation and their lasing characteristics

Daisuke Nakamura, Tetsuya Simogaki, Kota Okazaki, Mitsuhiro Higashihata, Hiroshi Ikenoue, Tatsuo Okada

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

14 Citations (Scopus)

Abstract

We have succeeded in synthesizing ZnO nano/microspheres by a simple laser ablation method in the air and demonstrated whispering-gallery-mode (WGM) lasing from the ZnO sphere excited by a pulsed-ultraviolet laser beam. The spheres with diameters of up to 10μm were simply prepared by laser ablation of a ZnO sintered target by a Q-switched Nd:YAG laser in the air. In this study, we succeeded synthesizing large microspheres with diameters of larger than 20μm by the Nd:YAG laser without Q-switching. The mode spacing of the large sphere was in good agreement with the WGM theory.

Original language	English
Pages (from-to)	296-299
Number of pages	4
Journal	Journal of Laser Micro Nanoengineering
Volume	8
Issue number	3
DOIs	https://doi.org/10.2961/jlmn.2013.03.0018
Publication status	Published - Dec 2013

All Science Journal Classification (ASJC) codes

Instrumentation
Industrial and Manufacturing Engineering
Electrical and Electronic Engineering

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10.2961/jlmn.2013.03.0018

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title = "Synthesis of various sized ZnO microspheres by laser ablation and their lasing characteristics",

abstract = "We have succeeded in synthesizing ZnO nano/microspheres by a simple laser ablation method in the air and demonstrated whispering-gallery-mode (WGM) lasing from the ZnO sphere excited by a pulsed-ultraviolet laser beam. The spheres with diameters of up to 10μm were simply prepared by laser ablation of a ZnO sintered target by a Q-switched Nd:YAG laser in the air. In this study, we succeeded synthesizing large microspheres with diameters of larger than 20μm by the Nd:YAG laser without Q-switching. The mode spacing of the large sphere was in good agreement with the WGM theory.",

author = "Daisuke Nakamura and Tetsuya Simogaki and Kota Okazaki and Mitsuhiro Higashihata and Hiroshi Ikenoue and Tatsuo Okada",

year = "2013",

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AU - Nakamura, Daisuke

AU - Simogaki, Tetsuya

AU - Okazaki, Kota

AU - Higashihata, Mitsuhiro

AU - Ikenoue, Hiroshi

AU - Okada, Tatsuo

PY - 2013/12

Y1 - 2013/12

N2 - We have succeeded in synthesizing ZnO nano/microspheres by a simple laser ablation method in the air and demonstrated whispering-gallery-mode (WGM) lasing from the ZnO sphere excited by a pulsed-ultraviolet laser beam. The spheres with diameters of up to 10μm were simply prepared by laser ablation of a ZnO sintered target by a Q-switched Nd:YAG laser in the air. In this study, we succeeded synthesizing large microspheres with diameters of larger than 20μm by the Nd:YAG laser without Q-switching. The mode spacing of the large sphere was in good agreement with the WGM theory.

AB - We have succeeded in synthesizing ZnO nano/microspheres by a simple laser ablation method in the air and demonstrated whispering-gallery-mode (WGM) lasing from the ZnO sphere excited by a pulsed-ultraviolet laser beam. The spheres with diameters of up to 10μm were simply prepared by laser ablation of a ZnO sintered target by a Q-switched Nd:YAG laser in the air. In this study, we succeeded synthesizing large microspheres with diameters of larger than 20μm by the Nd:YAG laser without Q-switching. The mode spacing of the large sphere was in good agreement with the WGM theory.

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Synthesis of various sized ZnO microspheres by laser ablation and their lasing characteristics

Abstract

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