Gravitational lensing effect in traversable wormholes
Sign Up to like & getrecommendations! Published in 2021 at "Annals of Physics"
DOI: 10.1016/j.aop.2021.168460
Abstract: Abstract The present paper is intended for studying the effect of strong gravitational lensing in the context of charged wormhole. To study this effect, the conditions determining the existence of photon spheres at and outside… read more here.
Keywords: photon spheres; effect; lensing effect; gravitational lensing ... See more keywords
The integrated lensing effect and its application in single cell refractive index measurement in a dual-fiber optical trap
Sign Up to like & getrecommendations! Published in 2018 at "Optik"
DOI: 10.1016/j.ijleo.2018.02.003
Abstract: Abstract We have fully investigated the integrated lensing effect that the beam suffers in a dual-fiber optical trap. A modified model for coupling of a beam to the opposing fiber has been built in consideration… read more here.
Keywords: optical trap; effect; lensing effect; integrated lensing ... See more keywords
Strong optical absorption of a metallic film to induce a lensing effect in the visible region
Sign Up to like & getrecommendations! Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-019-48938-z
Abstract: In this work, the two-dimensional profile of the light transmission through a prism-like metallic film sample of Au was measured at a wavelength of 632.8 nm in the visible intraband transition region to verify that, beyond… read more here.
Keywords: optical absorption; effect; induce lensing; lensing effect ... See more keywords
Light control through a nonlinear lensing effect in a colloid of biosynthesized gold nanoparticles
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Modern Optics"
DOI: 10.1080/09500340.2018.1549287
Abstract: ABSTRACT Biosynthesis of four samples of colloidal suspensions of gold nanoparticles is achieved using hydroalcoholic extract and three different separated compounds of the plant Bacopa procumbens. The nonlinear optical properties of each sample are characterized… read more here.
Keywords: gold nanoparticles; nonlinear lensing; effect; light control ... See more keywords
Thermal Lensing Effect Reduction on High-Power Multi-Mode Diode Lasers
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2023.3268549
Abstract: High-power broad-area diode lasers are needed for a variety of applications. However, such lasers suffer from deteriorated beam quality due to multimode behavior in the lateral direction at high power. We propose an approach to… read more here.
Keywords: diode; thermal lensing; lensing effect; power ... See more keywords
Multi-planar imaging using the thermal lensing effect.
Sign Up to like & getrecommendations! Published in 2019 at "Applied optics"
DOI: 10.1364/ao.58.005839
Abstract: The application of a thermal lens, formed by a laser beam, in the imaging of objects lying in three different planes is reported for the first time, to the best of our knowledge. The objects'… read more here.
Keywords: lensing effect; using thermal; thermal lensing; planar imaging ... See more keywords