Phase anomalies in Bessel-Gauss beams
Bessel-Gauss beams are known as non-diffracting beams. They can be obtained by
focusing an annularly shaped collimated laser beam. Here, we report for the first time on the …
focusing an annularly shaped collimated laser beam. Here, we report for the first time on the …
Phase anomalies in Talbot light carpets of self-images
An interesting feature of light fields is a phase anomaly, which occurs on the optical axis
when light is converging as in a focal spot. Since in Talbot images the light is periodically …
when light is converging as in a focal spot. Since in Talbot images the light is periodically …
Spatial frequency chirp of copropgating q-Gaussian laser beams in Kerr media: effect of electromagnetically induced transparency
N Gupta, A Limby - Journal of Optics, 2024 - Springer
This study theoretically examines the chir** of spatial frequency in q-Gaussian laser
beams that interact nonlinearly with Kerr media possessing electromagnetically induced …
beams that interact nonlinearly with Kerr media possessing electromagnetically induced …
Spatial frequency modulation of -gaussian laser beams in a collisional plasma exhibiting an axial density ramp
N Gupta, R Johari, S Choudhry - Journal of Optics, 2024 - Springer
This study investigates the phenomenon of spatial frequency chir** in q-Gaussian laser
beams interacting nonlinearly with plasmas exhibiting an axial density ramp. The chir** …
beams interacting nonlinearly with plasmas exhibiting an axial density ramp. The chir** …
Spatial frequency chir** of q-Gaussian laser beams in graded index plasma channel with ponderomotive nonlinearity
N Gupta, R Johari, AK Alex, S Choudhry, S Kumar… - Journal of Optics, 2023 - Springer
Chir** of spatial frequency of q-Gaussian laser beams interacting nonlinearly with
plasmas with radially inhomogeneous electron density has been investigated theoretically …
plasmas with radially inhomogeneous electron density has been investigated theoretically …
Phase anomalies in micro-optics
We present a comprehensive review on the latest research activities that explore the Gouy
phase and indicate the recent experimental progresses for its observations in studies that …
phase and indicate the recent experimental progresses for its observations in studies that …
Two particle tracking and detection in a single Gaussian beam optical trap
We have studied in detail the situation wherein two microbeads are trapped axially in a
single-beam Gaussian intensity profile optical trap. We find that the corner frequency …
single-beam Gaussian intensity profile optical trap. We find that the corner frequency …
Gouy Phase Shift of Self-focused q-Gaussian Laser Beams in Thermal Quantum Plasma and its Manifestation with the Berry Phase.
N Gupta - … Journal of Laser Science: Fundamental Theory & …, 2022 - search.ebscohost.com
Gouy phase shift of q-Gaussian laser beams interacting nonlinearly with thermal quantum
plasmas (TQP) with axially increasing density has been investigated theoretically. The Gouy …
plasmas (TQP) with axially increasing density has been investigated theoretically. The Gouy …
[BOOK][B] A Novel Digital Holographic Microscope (DHM) to Investigate and Characterize Microbial Motility in Extreme Aquatic Environments
MM Bedrossian - 2020 - search.proquest.com
Recent shifts in congressional funding have prompted the development of methods for the
direct search for extant life within our solar system. In order to look for life elsewhere in our …
direct search for extant life within our solar system. In order to look for life elsewhere in our …