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Proceedings Paper

Voltage tunable polymer laser device
Author(s): Sebastian Döring; Matthias Kollosche; Torsten Rabe; Guggi Kofod; Joachim Stumpe
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Paper Abstract

Since organic laser materials offer broad optical gain spectra they are predestined for the realization of widely tunable laser sources. Here we report on a compact organic laser device that allows for voltage controlled continuously wavelength tuning in the visible range of the spectrum by external deformation. The device consists of an elastomeric distributed feedback (DFB) laser and an electro-active elastomer actuator also known as artificial muscle. Second order DFB lasing is realized by a grating line structured elastomer substrate covered with a thin layer of dye doped polymer. To enable wavelength tuning the elastomer laser is placed at the center of the electro-active elastomer actuator. Chosen design of the actuator gives rise to homogeneous compression at this position. The voltage induced deformation of the artificial muscle is transferred to the elastomer laser and results in a decrease of grating period. This leads to an emission wavelength shift of the elastomer laser. The increase of actuation voltage to 3.25 kV decreased the emission wavelength from 604 nm to 557 nm, a change of 47 nm or 7.8%.

Paper Details

Date Published: 15 February 2012
PDF: 8 pages
Proc. SPIE 8235, Solid State Lasers XXI: Technology and Devices, 82351N (15 February 2012); doi: 10.1117/12.911886
Show Author Affiliations
Sebastian Döring, Fraunhofer Institute for Applied Polymer Research (Germany)
Matthias Kollosche, Univ. Potsdam (Germany)
Torsten Rabe, Technical Univ. Braunschweig (Germany)
Guggi Kofod, Univ. Potsdam (Germany)
Joachim Stumpe, Fraunhofer Institute for Applied Polymer Research (Germany)

Published in SPIE Proceedings Vol. 8235:
Solid State Lasers XXI: Technology and Devices
W. Andrew Clarkson; Ramesh K. Shori, Editor(s)

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