Variable optical Attenuator made by using new electrochromic devices

Vergaz, R, Barrios, D, Sánchez-Pena, JM, Vázquez, C, Pozo-Gonzalo, Cristina, Mecerreyes, D and Pomposo, J 2005, Variable optical Attenuator made by using new electrochromic devices, in Proceedings of SPIE - The International Society for Optical Engineering : Microtechnologies for the New Millennium 2005, SPIE, Bellingham, Wash., pp. 389-396, doi: 10.1117/12.608391.

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Title Variable optical Attenuator made by using new electrochromic devices
Author(s) Vergaz, R
Barrios, D
Sánchez-Pena, JM
Vázquez, C
Pozo-Gonzalo, CristinaORCID iD for Pozo-Gonzalo, Cristina orcid.org/0000-0002-7890-6457
Mecerreyes, D
Pomposo, J
Conference location Sevilla, Spain
Conference dates 2005/05/09 - 2005/05/11
Title of proceedings Proceedings of SPIE - The International Society for Optical Engineering : Microtechnologies for the New Millennium 2005
Publication date 2005
Start page 389
End page 396
Total pages 8
Publisher SPIE
Place of publication Bellingham, Wash.
Keyword(s) Science & Technology
Physical Sciences
Crystallography
Optics
electrochromics
Variable Optical Attenuator
characterization
PEDOT
Summary Electrochromic (EC) materials are used mainly for domotic applications, such as transparency controlled windows or rear-view mirrors in cars. The device construction is a sandwich of electrochemical compounds, which change their optical properties when applying voltage. Although the changes that are used in the applications take place in the visible, there are also changes in the near infrared region. In the last years, some works have proposed their use in fiber optic applications, mainly as optical modulators or VOAs (Variable Optical Attenuator). EC devices have usually slow responses (several seconds) and low transmittance range, specially the organic ones. The slow response is the major drawback for their use as modulators. But in NIR transmittance ranges, there are promising results in materials like ruthenium or PEDOT (poly(3,4- ethylenedioxythiophene)). In this work, we will study the possible use in VOAs of new EC devices developed with the minimum number of layers, by their response in telecommunications wavelengths. These devices are manufactured in such a way that the integration in fiber optic devices is an easy task. The minimum number of layers and the easy construction are improvements over the existing possibilities. PEDOT is the EC material on these devices, and different manufacturing ways are compared in order to detect the best possible candidate to use.
ISSN 0277-786X
Language eng
DOI 10.1117/12.608391
HERDC Research category EN.1 Other conference paper
Copyright notice ©2005, SPIE
Persistent URL http://hdl.handle.net/10536/DRO/DU:30099845

Document type: Conference Paper
Collections: Institute for Frontier Materials
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