標題: | Tunable random lasing emissions by manipulating plasmonic coupling strengths on flexible substrates |
作者: | Yeh, Ting-Wei Chou, Chun-Yang Yang, Zu-Po Nguyen Thi Bich Hanh Yao, Yung-Chi Tsai, Meng-Tsan Kuo, Hao-Chun Lee, Ya-Ju 光電系統研究所 光電工程學系 光電工程研究所 Institute of Photonic System Department of Photonics Institute of EO Enginerring |
公開日期: | 1-一月-2018 |
摘要: | A random laser is a unique system in which an assembly of disordered scatters is distributed all over the gain medium to sustain the required optical feedbacks by multiple scatterings for the stimulation of lasing action. Due to the absence of well-defined resonance cavity or rigid alignment of optical elements, it is hence difficult to control the random lasing emissions. In this study, we experimentally demonstrated a flexible random laser fabricated on the polyethylene terephthalate (PET) substrate with a high degree of tunability in lasing emissions. Random lasing wavelength is blue-shifted monolithically with the increasing of bending strains exerted on the PET substrate, and the maximum shift of lasing wavelength of similar to 15 nm was achieved as a 50% bending strain is exerted on the PET substrate. Such observation is highly repeatable and reversible, and it validates that we are able to control the lasing wavelengths by simply bending the flexible substrate. The result herein shows a great advance for the applications of flexible optoelectronic devices, including wearable devices, ultrathin display, and health sensors. |
URI: | http://hdl.handle.net/11536/154296 |
ISBN: | 978-1-9435-8042-2 |
ISSN: | 2160-9020 |
期刊: | 2018 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) |
起始頁: | 0 |
結束頁: | 0 |
顯示於類別: | 會議論文 |