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Abstract:
A fanshaped structure is proposed to achieve a continuously tunable polymer laser. The structure with gradual periods is fabricated by electron beam lithography, which acts as a distributed feedback cavity for the polymer laser. A light-emitting polymer is spin-coated on the cavity to form an active layer. The pump beam is focused by a cylindrical lens to a narrow stripe on the sample surface. When the position of the pump stripe on the fanshaped cavity is changed from long period (370 nm) to short period (340 nm) and vice versa, the output wavelength of the laser is continuously tuned from 584 nm to 552 nm. Tuning behavior can be interpreted by the Bragg condition. These results can be used to explore compact laser sources. (c) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement.
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OPTICS EXPRESS
ISSN: 1094-4087
Year: 2018
Issue: 4
Volume: 26
Page: 4491-4497
3 . 8 0 0
JCR@2022
ESI Discipline: PHYSICS;
ESI HC Threshold:145
JCR Journal Grade:1
Cited Count:
WoS CC Cited Count: 18
SCOPUS Cited Count: 19
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 2
Affiliated Colleges: