Abstract
We report output characteristics of a connectorized hollow core photonics crystal fiber when it is subjected to coiling down to a 50 mm radius, bending, and torsion. We achieved coupling efficiency up to 73% with an output average power of 2 W and 24 nJ pulse energy. With optimized coupling, depolarization was as low as 7%. Coiling and bending of the photonic crystal patchcord introduces little distortion; torsion, however, changes the polarization drastically. To our knowledge, this is the first report on dynamic fiber delivery of fs pulses.
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