Step-index optical fiber drawn from 3D printed preforms.

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Journal Article
Optics letters, 2016, 41 (19), pp. 4554 - 4557
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Optical fiber is drawn from a dual-head 3D printer fabricated preform made of two optically transparent plastics with a high-index core (NA∼0.25, V>60). The asymmetry observed in the fiber arises from asymmetry in the 3D printing process. The highly multimode optical fiber has losses measured by cut-back as low as α∼0.44  dB/cm in the near IR.
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