Research on taper zone coupling from single-core fiber to annular-core hollow beam fiber
Sign Up to like & getrecommendations! Published in 2017 at "Optical Review"
DOI: 10.1007/s10043-016-0292-9
Abstract: We designed and manufactured a novel annular-core hollow beam fiber which could directly yield ring light with a central dark spot inside the beam employing MCVD technique and a custom-made fiber drawing tower. The tapered… read more here.
Keywords: hollow beam; annular core; fiber; core hollow ... See more keywords
Nonparaxial propagation of flat-topped vortex hollow beam in free space
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DOI: 10.1016/j.ijleo.2016.11.076
Abstract: Abstract Starting from the vectorial Rayleigh-Sommerfeld integral formulae, the analytical propagation equations of vectorial flat-topped vortex hollow beam in free space are derived. The far-field and paraxial approximation can be treated as special cases of… read more here.
Keywords: propagation; hollow beam; topped vortex; flat topped ... See more keywords
Estimation of scintillation and bit error rate performance of sine hollow beam via random phase screen
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DOI: 10.1016/j.ijleo.2019.05.046
Abstract: Abstract We study scintillation and bit error rate performance of sine hollow beam in turbulent atmosphere. Since source field expression involves higher order term, we model atmosphere utilizing random phase screen. We show that normal… read more here.
Keywords: scintillation; bit error; sine hollow; error rate ... See more keywords
Controllable anomalous hollow beam and its propagation properties
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DOI: 10.1016/j.ijleo.2021.167054
Abstract: Abstract The model of controllable anomalous hollow beam (CAHB) is proposed. The analytical expression of CAHB propagating in A B C D paraxial optical systems is derived. The light intensity distribution of CAHB at the… read more here.
Keywords: propagation; anomalous hollow; controllable anomalous; beam ... See more keywords
A dark hollow beam generator based on special optical fiber with long period fiber grating
Sign Up to like & getrecommendations! Published in 2021 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2020.106598
Abstract: Abstract In this paper, a new method to generate dark hollow beam (DHB) was introduced. The method is based on a special fiber with three-layer step-index structure and the technique of long period fiber grating… read more here.
Keywords: dark hollow; long period; period fiber; based special ... See more keywords