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On chip tunable laser is demonstrated by realizing a microfluidic droplet array. The periodicity is controlled by the pressure applied to two separate inlets, allowing to tune the lasing frequency over a broad spectral range.
We design, fabricate and experimentally demonstrate a novel generic method to detect flow rates velocity in microfluidic devices. The method is appealing for variety of applications where a simple and accurate speed measurement is needed.
A chip scale optofluidic tunable laser is realized by generating a periodic bubble array within a microfluidic channel. By controlling the periodicity via external pressure the lasing frequency is tuned over a broad range.
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