Ultraviolet lasing from spherical ZnO microcrystal produced by laser ablation in air

Daisuke Nakamura; Toshinobu Tanaka; Tatsuya Ikebuchi; Takeshi Ueyama; Fumiaki Nagasaki; Yuki Fujiwara; Mitsuhiro Higashihata; Hiroshi Ikenoue; Tatsuo Okada

doi:10.1109/MOC.2015.7416404

Ultraviolet lasing from spherical ZnO microcrystal produced by laser ablation in air

Daisuke Nakamura, Toshinobu Tanaka, Tatsuya Ikebuchi, Takeshi Ueyama, Fumiaki Nagasaki, Yuki Fujiwara, Mitsuhiro Higashihata, Hiroshi Ikenoue, Tatsuo Okada

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We succeeded in synthesizing spherical ZnO microcrystals by a simple laser ablation in air, and we obtained ultraviolet whispering-gallery-mode (WGM) lasing from the microcrystal under pulsed laser excitation. In addition, room-temperature electroluminescence from the ZnO microsphere/p-GaN heterojunction was achieved under forward bias. Recently, doped ZnO spherical crystals are successfully synthesized using dopant contained targets and its optical characteristics were investigated.

Original language	English
Title of host publication	MOC 2015 - Technical Digest of 20th Microoptics Conference
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9784863485433
DOIs	https://doi.org/10.1109/MOC.2015.7416404
Publication status	Published - Feb 23 2016
Event	20th Microoptics Conference, MOC 2015 - Fukuoka, Japan Duration: Oct 25 2015 → Oct 28 2015

Publication series

Name	MOC 2015 - Technical Digest of 20th Microoptics Conference

Other

Other	20th Microoptics Conference, MOC 2015
Country/Territory	Japan
City	Fukuoka
Period	10/25/15 → 10/28/15

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
Electronic, Optical and Magnetic Materials

Access to Document

10.1109/MOC.2015.7416404

Cite this

Nakamura, D., Tanaka, T., Ikebuchi, T., Ueyama, T., Nagasaki, F., Fujiwara, Y., Higashihata, M., Ikenoue, H., & Okada, T. (2016). Ultraviolet lasing from spherical ZnO microcrystal produced by laser ablation in air. In MOC 2015 - Technical Digest of 20th Microoptics Conference Article 7416404 (MOC 2015 - Technical Digest of 20th Microoptics Conference). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/MOC.2015.7416404

Ultraviolet lasing from spherical ZnO microcrystal produced by laser ablation in air. / Nakamura, Daisuke; Tanaka, Toshinobu; Ikebuchi, Tatsuya et al.
MOC 2015 - Technical Digest of 20th Microoptics Conference. Institute of Electrical and Electronics Engineers Inc., 2016. 7416404 (MOC 2015 - Technical Digest of 20th Microoptics Conference).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Nakamura, D, Tanaka, T, Ikebuchi, T, Ueyama, T, Nagasaki, F, Fujiwara, Y, Higashihata, M, Ikenoue, H & Okada, T 2016, Ultraviolet lasing from spherical ZnO microcrystal produced by laser ablation in air. in MOC 2015 - Technical Digest of 20th Microoptics Conference., 7416404, MOC 2015 - Technical Digest of 20th Microoptics Conference, Institute of Electrical and Electronics Engineers Inc., 20th Microoptics Conference, MOC 2015, Fukuoka, Japan, 10/25/15. https://doi.org/10.1109/MOC.2015.7416404

Nakamura D, Tanaka T, Ikebuchi T, Ueyama T, Nagasaki F, Fujiwara Y et al. Ultraviolet lasing from spherical ZnO microcrystal produced by laser ablation in air. In MOC 2015 - Technical Digest of 20th Microoptics Conference. Institute of Electrical and Electronics Engineers Inc. 2016. 7416404. (MOC 2015 - Technical Digest of 20th Microoptics Conference). doi: 10.1109/MOC.2015.7416404

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abstract = "We succeeded in synthesizing spherical ZnO microcrystals by a simple laser ablation in air, and we obtained ultraviolet whispering-gallery-mode (WGM) lasing from the microcrystal under pulsed laser excitation. In addition, room-temperature electroluminescence from the ZnO microsphere/p-GaN heterojunction was achieved under forward bias. Recently, doped ZnO spherical crystals are successfully synthesized using dopant contained targets and its optical characteristics were investigated.",

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AU - Nagasaki, Fumiaki

AU - Fujiwara, Yuki

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AU - Ikenoue, Hiroshi

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AB - We succeeded in synthesizing spherical ZnO microcrystals by a simple laser ablation in air, and we obtained ultraviolet whispering-gallery-mode (WGM) lasing from the microcrystal under pulsed laser excitation. In addition, room-temperature electroluminescence from the ZnO microsphere/p-GaN heterojunction was achieved under forward bias. Recently, doped ZnO spherical crystals are successfully synthesized using dopant contained targets and its optical characteristics were investigated.

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Ultraviolet lasing from spherical ZnO microcrystal produced by laser ablation in air

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