13 citations · 47 across the 12 of their papers we have counts for
12 papers
Fabrication of plasmonic surface relief gratings for the application of band-pass filter in UV-Visible spectral range
Sudheer, S. Porwal, S. Bhartiya +5
The measured experimental results of optical diffraction of 10, 5 and 3.4 micrometer period plasmonic surface relief grating are presented for the application of band-pass filter i…
Optical properties (uv-vis and ftir) of gamma irradiated polymethyl methacrylate (pmma)
V. N. Rai, C. Mukherjee, Beena Jain
The effect of gamma irradiation on the UV-Vis and FTIR spectroscopy of polymethyl methacrylate (PMMA) foils has been studied. A new absorption band is observed in the visible spect…
X-ray absorption (XANES) and photoelectron spectroscopy (XPS) of gamma irradiated Nd doped phosphate glass
V. N. Rai, Parasmani Rajput, S. N. Jha +2
This paper presents the X-ray absorption near edge structure (XANES) and X-ray photoelectron spectroscopic (XPS) studies of Nd doped phosphate glasses before and after gamma irradi…
Theoretical aspect of enhancement and saturation in emission from laser produced plasma
V. N. Rai
This paper presents a simplified theoretical model for the study of emission from laser produced plasma to better understand the processes and the factors involved in the onset of…
An overview of some influential factors in laser-induced breakdown spectroscopy
V. N. Rai
This paper presents the process of plasma formation during laser induced breakdown spectroscopy (LIBS) along with analysis of emission from double pulse LIBS to better understand t…
Basic concept in plasma diagnostics
V. N. Rai
This paper presents the basic concept of various plasma diagnostics used for the study of plasma characteristics in different plasma experiments ranging from low temperature to hig…
Laser-induced breakdown spectroscopy for real time and online elemental analysis
V. N. Rai, Awadhesh K. Rai, Fang-Yu Yueh +1
Laser-induced breakdown spectroscopy (LIBS) is a laser based diagnostics used to study atomic emission from the expanding plasma plume formed during the laser-matter interaction. I…
Laser-induced breakdown spectroscopy: A versatile technique of elemental analysis and its applications
V. N. Rai
This paper reviews the state of art technology of laser induced breakdown spectroscopy (LIBS). Research on LIBS is gaining momentum in the field of instrumentation and data analysi…
Study of gamma induced defects in Nd doped phosphate glass using UV-Vis spectrophotometer and photophysics beamline on INDUS-1
V. N. Rai, B. N. Raja Sekhar, B. N. Jagtap
Nd doped phosphate glasses have been studied before and after gamma irradiation in order to understand the effect of glass composition and radiation induced defects on the optical…
Effect of laser intensity and dynamics of plasma on laser induced breakdown spectroscopy
V. N. Rai, Jagdish P. Singh
Laser-induced breakdown spectroscopy (LIBS) show enhancement in its signal, when the laser-induced plasma is confined/decelerated under the effect of an external steady magnetic fi…
Effect of gamma irradiation on the structure and valence state of Nd in phosphate glass
V. N. Rai, B. N. Raja Sekhar, D. M. Phase +1
Fourier transform infrared (FTIR) spectra and X-ray photoelectron spectra (XPS) of Nd doped phosphate glasses have been studied before and after gamma irradiation in order to find…
Localized surface plasmon resonance (LSPR) and refractive index sensitivity of vacuum evaporated nanostructured gold thin films
V. N. Rai, A. K. Srivastava, C. Mukherjee +1
The plasmonic properties of vacuum evaporated nanostructured gold thin films having different types of nanoparticles are presented. The films with more than 6 nm thickness show pre…