Xu, Fei and Brambilla, Gilberto
Embedding optical microfiber coil resonators in Teflon
Optics Letters, 32, (15), . (doi:10.1364/OL.32.002164).
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A method to manufacture optical microfiber coil resonators embedded in Teflon has been demonstrated for what is the first time to the best of our knowledge. The resonator was obtained by wrapping a microfiber on a low refractive index rod and coating it with a Teflon resin. The coating process is investigated and discussed. Resonances in excess of 9 dB, a free spectral range of ~0.8 nm, and Q factors greater than 6000 have been observed in the embedded resonator. The device is compact, robust, and portable.
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