期刊
SYNTHETIC METALS
卷 159, 期 9-10, 页码 889-892出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.synthmet.2009.01.049
关键词
Interference exposure; Thiophene/phenylene co-oligomers; Distributed feedback structure; Gain-narrowing; Laser oscillation
We have carried out emission measurements on semiconducting oligomer crystal slabs using interference exposure with a Lloyd mirror. We used this mirror for the purposes of both photopumping the oligomer slab and fabricating a diffraction grating on an insulating polymer supported with a glass substrate. With the latter purpose we made a distributed feedback (DFB) structure by laminating the insulating polymer with another oligomer slab. The resulting DFB structure was further served for the laser excitation measurement. The emission measurements reveal that a few emission lines are selectively intensified and gain-narrowed. (C) 2009 Elsevier B.V. All rights reserved.
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