Exact graded-index profile to produce an annular beam
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2020.126037
Abstract: Abstract This work presents the exact radial refractive index profile of a graded-index lens required to produce an annular beam. The index profile variation obtained is compatible with MCVD fiber fabrication process. Moreover, we show… read more here.
Keywords: index; produce annular; graded index; annular beam ... See more keywords
Color Tunable, Lithography-Free Refractory Metal–Oxide Metacoatings with a Graded Refractive Index Profile
Sign Up to like & getrecommendations! Published in 2023 at "Nano Letters"
DOI: 10.1021/acs.nanolett.2c04867
Abstract: The refractory metal–oxide semiconductors are an overlooked platform for nanophononics that offer alloys with high melting points and tunable optical constants through stoichiometry changes and ion intercalation. We show that these semiconductors can form metamaterial… read more here.
Keywords: refractory metal; metal oxide; index profile;
Deduced Refractive Index Profile Changes of Type I and Type II Gratings When Subjected to Ionizing Radiation
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2019.2904013
Abstract: Type I and type II Bragg grating arrays in silica fiber have been irradiated at the Ohio State University Nuclear Reactor Laboratory in the gamma facility and the pool-type reactor, to receive a relatively small… read more here.
Keywords: type type; index profile; bragg grating; refractive index ... See more keywords