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Micromachines 2018, 9(3), 122; https://doi.org/10.3390/mi9030122

Advances of Optofluidic Microcavities for Microlasers and Biosensors

1
and
2,*
1
College of Physics and Materials Engineering, Dalian Nationalities University, Dalian 116600, China
2
College of Mechanical and Electronic Engineering, Dalian Nationalities University, Dalian 116600, China
*
Author to whom correspondence should be addressed.
Received: 29 January 2018 / Revised: 2 March 2018 / Accepted: 6 March 2018 / Published: 9 March 2018
(This article belongs to the Special Issue Advances in Optofluidics)
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Abstract

Optofluidic microcavities with high Q factor have made rapid progress in recent years by using various micro-structures. On one hand, they are applied to microfluidic lasers with low excitation thresholds. On the other hand, they inspire the innovation of new biosensing devices with excellent performance. In this article, the recent advances in the microlaser research and the biochemical sensing field will be reviewed. The former will be categorized based on the structures of optical resonant cavities such as the Fabry–Pérot cavity and whispering gallery mode, and the latter will be classified based on the working principles into active sensors and passive sensors. Moreover, the difficulty of single-chip integration and recent endeavors will be briefly discussed. View Full-Text
Keywords: microcavities; optofluidic dye lasers; whispering gallery modes; biosensors microcavities; optofluidic dye lasers; whispering gallery modes; biosensors
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Feng, Z.; Bai, L. Advances of Optofluidic Microcavities for Microlasers and Biosensors. Micromachines 2018, 9, 122.

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