Tunable and flexible solvent-free liquid organic distributed feedback lasers
- Authors
- Kim, Ju-Hyung; Inoue, Munetomo; Zhao, Li; Komino, Takeshi; Seo, Soonmin; Ribierre, Jean-Charles; Adachi, Chihaya
- Issue Date
- Feb-2015
- Publisher
- AMER INST PHYSICS
- Citation
- APPLIED PHYSICS LETTERS, v.106, no.5
- Journal Title
- APPLIED PHYSICS LETTERS
- Volume
- 106
- Number
- 5
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/10852
- DOI
- 10.1063/1.4907323
- ISSN
- 0003-6951
- Abstract
- We report on optically pumped blue, green, and red liquid organic distributed feedback (DFB) lasers based on solvent-free fluidic organic semiconductors, and prepared on highly flexible corrugated polymeric patterns. By the appropriate selection of laser dyes doping a liquid 9-(2-ethylhexyl) carbazole host, the lasing wavelength is effectively tuned across the visible spectrum via a cascade energy transfer scheme. We also demonstrate a mechanical tunability of the flexible liquid DFB laser emission, which is due to the deformation of the high-aspect ratio DFB grating under bending. Overall, this work provides an important step in the development of flexible liquid organic optoelectronic devices. (C) 2015 AIP Publishing LLC.
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