Stretch-tuneable dielectric mirrors and optical microcavities
- 17 February 2010
- journal article
- research article
- Published by Optica Publishing Group in Optics Express
- Vol. 18 (5), 4356-4364
- https://doi.org/10.1364/oe.18.004356
Abstract
We demonstrate how tuneable Distributed Bragg Reflectors (DBRs) and resonant micro-cavities can be built by a scalable layer assembly of the transparent utility rubbers polydimethylsiloxane and polystyrene-polyisoprene. Stretching the devices by more than 60% leads to an affine contraction of the layer thicknesses thereby tuning both DBR and cavity modes across the entire visible spectrum. Such rapidly- and reversibly- stretch-tuneable cavities can be used in tuneable micro-lasers and for quantitative optical strain sensing applications.Keywords
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