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Proceedings Paper

Design and fabrication of a waveguiding organic double heterostructure light-emitting device: a milestone in the development of an electrically pumped polymer laser
Author(s): Colin R. Belton; Eric Toussaere; Hans-Heinrich Hoerhold; Regina Stockmann; Werner J. Blau
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Paper Abstract

We present measurements of the optical constants of a series of spin cast conjugated polymer and thermally evaporated small molecule films on silicon substrates. The optical constants are measured, using spectroscopic ellipsometry, from 0.75eV up to just below the band-gap of each material. The optical constants are then obtained by fitting a homogeneous Cauchy model to the ellipsometry data. Using this data the waveguiding behaviour of a double hetero-structure device with edge emission is modeled using the well-established Beam Propagation Method (BPM). The waveguide loss of double hetero-structure devices is modeled for different device geometries and across the emission band of an experimentally prepared light emitting, waveguiding double hetero-structure organic device. The emission characteristics of the experimental device compare favourably with results of the simulation based on the measured optical constants. These results have important implications for the design of future electrically pumped organic laser devices.

Paper Details

Date Published: 27 August 2003
PDF: 10 pages
Proc. SPIE 4876, Opto-Ireland 2002: Optics and Photonics Technologies and Applications, (27 August 2003); doi: 10.1117/12.464054
Show Author Affiliations
Colin R. Belton, Trinity College Dublin (Ireland)
Eric Toussaere, Ecole Normale Superieure de Cachan (France)
Hans-Heinrich Hoerhold, Friedrich-Schiller-Univ. Jena (Germany)
Regina Stockmann, Friedrich-Schiller-Univ. Jena (Germany)
Werner J. Blau, Trinity College Dublin (Ireland)


Published in SPIE Proceedings Vol. 4876:
Opto-Ireland 2002: Optics and Photonics Technologies and Applications
Vincent Toal; Norman Douglas McMillan; Gerard M. O'Connor; Eon O'Mongain; Austin F. Duke; John F. Donegan; James A. McLaughlin; Brian D. MacCraith; Werner J. Blau, Editor(s)

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