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30 November 2016 On-chip tunable optofluidic dye laser
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Abstract
We demonstrate a chip-scale tunable optofluidic dye laser with Au-coated fibers as microcavity. The chip is fabricated by soft lithography. When the active region is pumped, a relatively low threshold of 6.7  μJ/mm2 is realized with multimode emission due to good confinement of the cavity mirrors, long active region, as well as total reflectivity. It is easy to tune the lasing emission wavelength by changing the solvent of laser dye. In addition, the various intensity ratios of multicolor lasing can be achieved by controlling flow rates of two fluid streams carried with different dye molecules. Furthermore, the convenience in fabrication and directional lasing emission outcoupled by the fiber make the tunable optofluidic dye laser a promising underlying coherent light source in the integrated optofluidic systems.
© 2016 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2016/$25.00 © 2016 SPIE
Zengyan Cai, Zhenhua Shen, Haigang Liu, Huan Yue, Yun Zou, and Xianfeng Chen "On-chip tunable optofluidic dye laser," Optical Engineering 55(11), 116117 (30 November 2016). https://doi.org/10.1117/1.OE.55.11.116117
Published: 30 November 2016
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