Polarization singularities in superposition of vector beams
S Vyas, Y Kozawa, S Sato - Optics Express, 2013 - opg.optica.org
We present a systematic study of the superposition of two vector Laguerre-Gaussian (LG)
beams. Propagation depended field distribution obtained from the superposition of two vector …
beams. Propagation depended field distribution obtained from the superposition of two vector …
Generation of radially polarized Bessel–Gaussian beams from c-cut Nd:YVO4 laser
S Vyas, Y Kozawa, S Sato - Optics Letters, 2014 - opg.optica.org
We experimentally demonstrate the generation of radially polarized Bessel–Gaussian beams
from a c-cut Nd:YVO_4 laser with a hemispherical cavity configuration by proper mode …
from a c-cut Nd:YVO_4 laser with a hemispherical cavity configuration by proper mode …
Varifocal metalens for optical sectioning fluorescence microscopy
Fluorescence microscopy with optical sectioning capabilities is extensively utilized in biological
research to obtain three-dimensional structural images of volumetric samples. Tunable …
research to obtain three-dimensional structural images of volumetric samples. Tunable …
[HTML][HTML] Bronchiectasis in India: results from the European multicentre bronchiectasis audit and research collaboration (EMBARC) and respiratory research network of …
…, A Shah, A Shah, N Dutt, H Garg, S Vyas… - The Lancet Global …, 2019 - thelancet.com
Background Bronchiectasis is a common but neglected chronic lung disease. Most
epidemiological data are limited to cohorts from Europe and the USA, with few data from low-income …
epidemiological data are limited to cohorts from Europe and the USA, with few data from low-income …
Interferometric optical vortex array generator
S Vyas, P Senthilkumaran - Applied optics, 2007 - opg.optica.org
Two new interferometric configurations for optical vortex array generation are presented.
These interferometers are different from the conventional interferometers in that they are …
These interferometers are different from the conventional interferometers in that they are …
Self-healing of tightly focused scalar and vector Bessel–Gauss beams at the focal plane
S Vyas, Y Kozawa, S Sato - JOSA A, 2011 - opg.optica.org
The property of self-healing at the focal plane for both scalar and vector Bessel–Gauss (BG)
beams is investigated in the tight focusing condition. For the BG beam, which is partially …
beams is investigated in the tight focusing condition. For the BG beam, which is partially …
Detection of phase singularity using a lateral shear interferometer
DP Ghai, S Vyas, P Senthilkumaran… - Optics and Lasers in …, 2008 - Elsevier
We demonstrate use of lateral shear interferometry for the detection of phase singularities in
optical fields. Existing interferometric methods of vortex detection entail a separate …
optical fields. Existing interferometric methods of vortex detection entail a separate …
Soft computing approach for rainfall-runoff modelling: a review
Enormous cost and manpower utilization encountered in constructing a water resource
project demands a great deal of attention in devising precise Rainfall-Runoff models for its …
project demands a great deal of attention in devising precise Rainfall-Runoff models for its …
Metasurface‐based abrupt autofocusing beam for biomedical applications
Manipulation and precise delivery of optical energies in the regions of interest within
specimens require different strategies. Hence, proper control of input beam parameters is a …
specimens require different strategies. Hence, proper control of input beam parameters is a …
[HTML][HTML] Meta-lens light-sheet fluorescence microscopy for in vivo imaging
Light-sheet fluorescent microscopy has become the leading technique for in vivo imaging in
the fields of disease, medicine, and cell biology research. However, designing proper …
the fields of disease, medicine, and cell biology research. However, designing proper …