Controllable Liquid Crystal Micro Tube Laser

This study demonstrates controllable random lasing emissions in a dye-doped nematic liquid crystal (DDNLC)-infiltrated microcapillary. The emission wavelength of the micro tube laser can be adjusted by changing the focusing position of the pumped pulses on the center or the periphery of the liquid c...

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Main Authors: Jia-De Lin, Po-Chen Wu, Ting-Shan Mo, Bing-Yau Huang, Chie-Tong Kuo, Chia-Rong Lee
Format: Article
Language:English
Published: MDPI AG 2021-12-01
Series:Crystals
Subjects:
Online Access:https://www.mdpi.com/2073-4352/11/12/1510
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author Jia-De Lin
Po-Chen Wu
Ting-Shan Mo
Bing-Yau Huang
Chie-Tong Kuo
Chia-Rong Lee
author_facet Jia-De Lin
Po-Chen Wu
Ting-Shan Mo
Bing-Yau Huang
Chie-Tong Kuo
Chia-Rong Lee
author_sort Jia-De Lin
collection DOAJ
description This study demonstrates controllable random lasing emissions in a dye-doped nematic liquid crystal (DDNLC)-infiltrated microcapillary. The emission wavelength of the micro tube laser can be adjusted by changing the focusing position of the pumped pulses on the center or the periphery of the liquid crystal region of the microcapillary. In addition, with doping azo-dyes in the DDNLC of the micro tube laser, optical controllability of the lasing intensity and wavelength can be further achieved. The controllable micro tube laser may find highly widespread photonic applications in multicolor emitting sources, and vibration and UV sensors.
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spelling doaj.art-41c660b0f994428494c8252880be4a102023-11-23T07:48:43ZengMDPI AGCrystals2073-43522021-12-011112151010.3390/cryst11121510Controllable Liquid Crystal Micro Tube LaserJia-De Lin0Po-Chen Wu1Ting-Shan Mo2Bing-Yau Huang3Chie-Tong Kuo4Chia-Rong Lee5Department of Opto-Electronic Engineering, National Dong Hwa University, Hualien 97401, TaiwanDepartment of Photonics, National Cheng Kung University, Tainan 70101, TaiwanDepartment of Materials Engineering, Kun Shan University of Technology, Tainan 710303, TaiwanDepartment of Physics, National Sun Yat-sen University, Kaohsiung 80424, TaiwanDepartment of Physics, National Sun Yat-sen University, Kaohsiung 80424, TaiwanDepartment of Photonics, National Cheng Kung University, Tainan 70101, TaiwanThis study demonstrates controllable random lasing emissions in a dye-doped nematic liquid crystal (DDNLC)-infiltrated microcapillary. The emission wavelength of the micro tube laser can be adjusted by changing the focusing position of the pumped pulses on the center or the periphery of the liquid crystal region of the microcapillary. In addition, with doping azo-dyes in the DDNLC of the micro tube laser, optical controllability of the lasing intensity and wavelength can be further achieved. The controllable micro tube laser may find highly widespread photonic applications in multicolor emitting sources, and vibration and UV sensors.https://www.mdpi.com/2073-4352/11/12/1510lasersliquid crystalsazobenzenerandom lasers
spellingShingle Jia-De Lin
Po-Chen Wu
Ting-Shan Mo
Bing-Yau Huang
Chie-Tong Kuo
Chia-Rong Lee
Controllable Liquid Crystal Micro Tube Laser
Crystals
lasers
liquid crystals
azobenzene
random lasers
title Controllable Liquid Crystal Micro Tube Laser
title_full Controllable Liquid Crystal Micro Tube Laser
title_fullStr Controllable Liquid Crystal Micro Tube Laser
title_full_unstemmed Controllable Liquid Crystal Micro Tube Laser
title_short Controllable Liquid Crystal Micro Tube Laser
title_sort controllable liquid crystal micro tube laser
topic lasers
liquid crystals
azobenzene
random lasers
url https://www.mdpi.com/2073-4352/11/12/1510
work_keys_str_mv AT jiadelin controllableliquidcrystalmicrotubelaser
AT pochenwu controllableliquidcrystalmicrotubelaser
AT tingshanmo controllableliquidcrystalmicrotubelaser
AT bingyauhuang controllableliquidcrystalmicrotubelaser
AT chietongkuo controllableliquidcrystalmicrotubelaser
AT chiaronglee controllableliquidcrystalmicrotubelaser