Dark hollow lasers may be better candidates for holography
Sign Up to like & getrecommendations! Published in 2020 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2020.106485
Abstract: Abstract Gaussian laser beams have been very successful in various fields including holography where two lasers with frequency difference have been used, but good quality holograms could be produced only for small frequency detuning. The… read more here.
Keywords: dark hollow; may better; lasers may; hollow lasers ... 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
Design of a high-Q dark hollow beam cavity based on a one-dimensional topological photonic crystal.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.468005
Abstract: Dark hollow beams (DHBs) possess great potential for material processing, holography, and vortex beams, and thus designing a high-Q DHB cavity is significant for these applications. In this Letter, a method of designing and optimizing… read more here.
Keywords: cavity; dimensional topological; dark hollow; one dimensional ... See more keywords