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Issue Eur. Phys. J. Appl. Phys.
Volume 46, Number 1, April 2009
International Symposium on Flexible Organic Electronics (IS-FOE)
Article Number 12510
Number of page(s) 5
Section Topical Issue International Symposium on Flexible Organic Electronics (IS-FOE)
DOI 10.1051/epjap/2009025
Published online 17 March 2009

Eur. Phys. J. Appl. Phys. 46, 12510 (2009)
DOI: 10.1051/epjap/2009025

OLED and OPD-based mini-spectrometer integrated on a single-mode planar waveguide chip

M. Ramuz1, D. Leuenberger1, R. Pfeiffer1, L. Bürgi2 and C. Winnewisser1

1  CSEM SA, Mattenstrasse 22, 4016 Basel, Switzerland
2  Sensirion AG, Laubisruetistrasse 50, 8712 Staefa, Switzerland

marc.ramuz@csem.ch

Received: 20 October 2008 / Accepted: 7 January 2009 / Published online: 17 March 2009

Abstract
Evanescent coupling is used to couple light from an organic Lambertian emitter into a single mode planar waveguide. Either an organic light emitting diode (OLED) directly excites the waveguide mode or an OLED pumps a photoluminescent (PL) material layer located directly on the waveguide. At the out-coupling grating the guided light is diffracted onto an array of organic photodiodes acting as a spectrometer. A spectral resolution of down to 16 nm could be achieved with integrated optoelectronic system.

PACS
42.82.Bq - Design and performance testing of integrated-optical systems.
42.70.Jk - Polymers and organics.

© EDP Sciences 2009


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