Journal
OPTICS EXPRESS
Volume 18, Issue 5, Pages 4356-4364Publisher
Optica Publishing Group
DOI: 10.1364/OE.18.004356
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Funding
- EPSRC [EP/G060649/1, EP/E040241, EP/C511786/1]
- DAAD (German Academic Exchange Service)
- Cambridge Newton Trust
- Engineering and Physical Sciences Research Council [EP/C511786/1, EP/E040241/1, EP/G060649/1] Funding Source: researchfish
- EPSRC [EP/G060649/1, EP/E040241/1] Funding Source: UKRI
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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. (C) 2010 Optical Society of America
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