Cargando…
Remote Sensing with Commutable Monolithic Laser and Detector
[Image: see text] The ubiquitous trend toward miniaturized sensing systems demands novel concepts for compact and versatile spectroscopic tools. Conventional optical sensing setups include a light source, an analyte interaction region, and a separate external detector. We present a compact sensor pr...
Autores principales: | , , , , , , , , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
American
Chemical Society
2016
|
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5073946/ https://www.ncbi.nlm.nih.gov/pubmed/27785455 http://dx.doi.org/10.1021/acsphotonics.6b00603 |
Sumario: | [Image: see text] The ubiquitous trend toward miniaturized sensing systems demands novel concepts for compact and versatile spectroscopic tools. Conventional optical sensing setups include a light source, an analyte interaction region, and a separate external detector. We present a compact sensor providing room-temperature operation of monolithic surface-active lasers and detectors integrated on the same chip. The differentiation between emitter and detector is eliminated, which enables mutual commutation. Proof-of-principle gas measurements with a limit of detection below 400 ppm are demonstrated. This concept enables a crucial miniaturization of sensing devices. |
---|