Vortex beam manipulation through a tunable plasma-ferrite metamaterial

D Nobahar, S Khorram, JD Rodrigues - Scientific Reports, 2021 - nature.com
This paper is devoted to the study of vortex beam transmission from an adjustable
magnetized plasma-ferrite structure with negative refraction index. We use the angular …

Characteristics of the compact plasma device AIT‐PID with multicusp magnetic confinement

S Takamura - IEEJ Transactions on Electrical and Electronic …, 2012 - Wiley Online Library
A unique plasma‐generation device called the “Aichi Institute of Technology‐Plasma
Irradiation Device” has been developed for plasma–wall interaction (PWI) studies toward …

Twisted beam shaping by plasma photonic crystal

D Nobahar, K Hajisharifi, H Mehdian - Journal of Applied Physics, 2018 - pubs.aip.org
In this paper, we investigate the strong modification and reshaping of the Laguerre-
Gaussian (LG) beam using a tailored magnetized plasma photonic crystal (PPC), based on …

Optical emission spectroscopy-based tomography for compact low-pressure microwave plasma in a multicusp

K Rathore, S Bhattacharjee, DN Patel… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Microwave-induced argon and hydrogen plasmas confined in a compact multicusp (MC) are
studied in the pressure range of 0.2-2 mtorr and at microwave powers of 216-324 W. Plasma …

Terahertz vortex beam propagation through a magnetized plasma-ferrite structure

D Nobahar, S Khorram - Optics & Laser Technology, 2022 - Elsevier
Interaction of vortex beams with materials has proven to be a key for controlling and
exploiting theirs properties. In this paper, we propose an adjustable stratified structure …

Characterization of microwave plasma in a multicusp using 2D emission based tomography: Bessel modes and wave absorption

K Rathore, S Bhattacharjee, P Munshi - Physics of Plasmas, 2017 - pubs.aip.org
A tomographic method based on the Fourier transform is used for characterizing a
microwave plasma in a multicusp (MC), in order to obtain 2D distribution of plasma …

Experimental investigation of microwave interaction with magnetoplasma in miniature multipolar configuration using impedance measurements

I Dey, Y Toyoda, N Yamamoto, H Nakashima - Physics of Plasmas, 2014 - pubs.aip.org
A miniature microwave plasma source employing both radial and axial magnetic fields for
plasma confinement has been developed for micro-propulsion applications. Plasma is …

Design of a portable optical emission tomography system for microwave induced compact plasma for visible to near-infrared emission lines

K Rathore, P Munshi, S Bhattacharjee - Review of Scientific …, 2016 - pubs.aip.org
A new non-invasive diagnostic system is developed for Microwave Induced Plasma (MIP) to
reconstruct tomographic images of a 2D emission profile. A compact MIP system has wide …

Trapping of electrons in troughs of self generated electromagnetic standing waves in a bounded plasma column

S Bhattacharjee, I Dey, K Roy Chowdhury, D Sahu… - Physics of …, 2014 - pubs.aip.org
Observations and measurements are reported on electron trapping in troughs of self-
generated electromagnetic standing waves in a bounded plasma column confined in a …

Utilizing upper hybrid resonance for high density plasma production and negative ion generation in a downstream region

D Sahu, S Bhattacharjee - Journal of Applied Physics, 2012 - pubs.aip.org
Localized wave-induced resonances are created by microwaves launched directly into a
multicusp (MC) plasma device in the k⊥ B mode, where k is the wave vector and B is the …