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fbtwitterlinkedinvimeoflicker grey 14rssslideshare1
Song, W.; Psaltis, D. (2010)
Languages: English
Types: Article
Subjects: air gaps, dye lasers, dyes, elastomers, integrated optics, laser cavity resonators, laser feedback, laser mirrors, laser tuning, light interferometers, micromirrors, moulding, optical polymers, optical pumping, pneumatic systems, replica techniques, waveguide lasers, Technology
We presented a tunable optofluidic dye laser with integrated elastomeric air-gap etalon controlled by air pressure. The chip was fabricated with polydimethylsiloxane (PDMS) via replica molding. It comprises a liquid waveguide and microscale air-gap mirrors providing the feedback. The lasing wavelength is chosen by the interference between two parallel PDMS-air interfaces inside the internal tunable air-gap etalon, of which pneumatic tuning can be realized by inflating the air-gap etalon with compressed air. This dye laser exhibits a pumping threshold of 1.6 μJ /pulse, a lasing linewidth of 3 nm, and a tuning range of 14 nm. © 2010 American Institute of Physics.
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