Zobrazeno 1 - 10
of 129
pro vyhledávání: '"Rai, V N"'
Autor:
Sudheer, Porwal, S., Bhartiya, S., Mukherjee, C., Tiwari, P., Sharma, T. K., Rai, V. N., Srivastava, A. K.
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 in visible spectral range. Conventional scanning electron microscopic (
Externí odkaz:
http://arxiv.org/abs/1708.07098
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 spectral range due to color centers induced in the gamma irradiated PMMA. T
Externí odkaz:
http://arxiv.org/abs/1611.02129
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 irradiation. The intensity and location of LIII edge white line peak of Nd a
Externí odkaz:
http://arxiv.org/abs/1501.03637
Autor:
Rai, V. N.
Publikováno v:
Laser and Particle beam (30) 621 (2012)
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 saturation in plasma emission as well as in increasing emission due to
Externí odkaz:
http://arxiv.org/abs/1407.0775
Publikováno v:
Bulletin of Laser and Spectroscopy Society of India (12) 1 (2003)
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. It provides valuable information about the composition of the target ma
Externí odkaz:
http://arxiv.org/abs/1407.0459
Autor:
Rai, V. N.
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 the processes and the factors involved in enhancement of plasma emissio
Externí odkaz:
http://arxiv.org/abs/1407.0464
Autor:
Rai, V. N.
Publikováno v:
Bulletin of Laser and Spectroscopy Society of India, (13) 55 (2004)
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 high energy density plasma.
Externí odkaz:
http://arxiv.org/abs/1407.0461
Autor:
Rai, V. N.
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 analysis technique due to its wide application in various field particularly
Externí odkaz:
http://arxiv.org/abs/1407.0132
Publikováno v:
Asian J. Spectroscopy, special Issue, 143-154 (2012)
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 properties of glasses. UV, Vis absorption and photoluminescence spectr
Externí odkaz:
http://arxiv.org/abs/1406.7717
Autor:
Rai, V. N., Singh, Jagdish P.
Publikováno v:
Bulletin of Laser and Spectroscopy Society of India (19) 78 (2012)
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 field or in a small cavity. An enhancement in LIBS signal has been obser
Externí odkaz:
http://arxiv.org/abs/1406.7703