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
Experimental Study on Coaxial Waterjet-Assisted Laser Scanning Machining of Nickel-Based Special Alloy
Sign Up to like & getrecommendations! Published in 2023 at "Micromachines"
DOI: 10.3390/mi14030641
Abstract: The problems of the recast layer, oxide layer, and heat-affected zone (HAZ) in conventional laser machining seriously impact material properties. Coaxial waterjet-assisted laser scanning machining (CWALSM) can reduce the conduction and accumulation of heat in… read more here.
Keywords: laser; nickel based; thermal damage; special alloy ... See more keywords