Abstract
We study photopolymerization with high-order Bessel light beams with phase singularities on-axis. Self-trapping and self-focusing of propagation-invariant light beams in a photopolymer allow the fabrication of extended helical microfibers with a length scale of a centimeter, which is more than an order of magnitude larger than the propagation distance of the Bessel light beams. We show the evolution of microfibers rotating at a rate proportional to the incident optical power, while the periodicity of the helical structures remains constant, irrespective of the laser power. This suggests that optical momentum transfer plays a predominant role in the growth and rotation of such fiber structures.
| Original language | English |
|---|---|
| Pages (from-to) | 4080-4083 |
| Journal | Optics Letters |
| Volume | 45 |
| Issue number | 14 |
| DOIs | |
| Publication status | Published - 15 Jul 2020 |
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Dive into the research topics of 'Photopolymerization with high-order Bessel light beams'. Together they form a unique fingerprint.Projects
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Resonant and shaped photonics for under: Resonant and shaped photonics for understanding the physical and biomedical world
Dholakia, K. (PI) & Gather, M. (CoI)
1/08/17 → 31/07/22
Project: Standard
Datasets
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Photopolymerization with high-order Bessel light beams (dataset)
Arita, Y. (Creator), Lee, J. (Creator), Kawaguchi, H. (Creator), Matsuo, R. (Creator), Miyamoto, K. (Creator), Dholakia, K. (Creator) & Omatsu, T. (Creator), University of St Andrews, 2020
DOI: 10.17630/faf035d4-198a-4d5c-bea1-751633f58042
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