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Minimally Intrusive Optical Micro-Strain Sensing in Bulk Elastomer Using Embedded Fabry-Pérot Etalon

Jungwook Paek, Qiang Li, In Cho, Jaeyoun Kim
2016 Micromachines  
In this work, we report the development of a minimally intrusive, highly sensitive mechanical strain transducer realized by monolithically embedding a Fabry-Pérot (FP) etalon into a poly(dimethylsiloxane  ...  The compatibility of PDMS with additive fabrication turned out to be the most crucial enabling factor in the realization of the FP etalon-based strain transducer.  ...  In this work, we report the development of a new embedded optical scheme for minimally intrusive strain sensing in a PDMS, a highly deformable elastomer, block.  ... 
doi:10.3390/mi7040061 pmid:30407434 pmcid:PMC6190261 fatcat:bscawbh4hfcfjp4smyvp35rkje

Fast Tunable Terahertz Absorber Based on a MEMS-driven Metamaterial

Mingkai Liu, Mohamad Susli, Dilusha Silva, Gino Putrino, Hemendra Kala, Shuting Fan, Michael Cole, Lorenzo Faraone, Vincent P. Wallace, Willie J. Padilla, David. A. Powell, Mariusz Martyniuk (+1 others)
2017 Conference on Lasers and Electro-Optics   unpublished
In this work we show that by imbuing extremely highly confined polaritons with orbital angular momentum it is possible to induce new electronic selection rules in a controllable fashion.  ...  Using adaptive coupled Fabry-Perot cavities, we have utilized the concept of perfect coherent absorbers in a compact and sensitive photoacoustic spectrometer.  ...  We experimentally dem- onstrate transversely coupled Fabry-Perot resonators using sidewall Bragg gratings and loop mirrors as reflectors in silicon- on-insulator platform.  ... 
doi:10.1364/cleo_qels.2017.fm1g.5 fatcat:optnllbc4vhfffpv6agyokdjae