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Article
Measurements of equation of state of gold using two frame shadowgraphy
In this paper, a new method is discussed for estimating the equation of state (EOS) of an unknown material in laser-induced shocks by measuring the particle velocities alone by using two frames optical shadowg...
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Article
Temperature dependence of temperature sensitivity of resonant mode of a long period fiber grating
This paper presents experiment and analysis on variation of temperature sensitivity of resonant modes of a long period grating (LPG) with change in temperature. The theoretical analysis explains the correspond...
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Article
Studies on the design and parametric effects of a diode pump alkali (rubidium) laser
This paper presents a comprehensive study of the design and parametric investigation of a diode pump alkali laser (DPAL): an emerging, high quantum efficiency, challenging laser system in the near-infrared reg...
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Article
Immunomodulatory basis of antioxidant therapy and its future prospects: an appraisal
Antioxidants are agents which can modulate oxidant–antioxidant profile of body system by neutralizing pro-oxidant molecules. The current scientific knowledge on mechanisms of antioxidant activity of biomolecul...
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Article
Microbiological and Molecular Investigation of Clinically Suspected Caseous Lymphadenitis Cases in Goats
Chronic suppurative lymphadenitis characterized by abscess formation is of economic significance in sheep and goats. It is principally caused by Corynebacterium pseudotuberculosis (caseous lymphadenitis, CLA) and...
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Article
FBG inscription by a biprism interferometer: analysis and experiment
In this paper, the effect of spatial variation of fringe visibility on the length, reflectivity and wavelength tuning of fiber Bragg gratings (FBGs), written by a biprism interferometer, is analyzed. The varia...
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Article
Farmer Involvement in the Development and Adoption of Improved Nutrient Management Technologies Using the Mother–Baby Trial Approach in Vertisols
Research findings are often not adopted by farmers, for which many reasons have been suggested including poor communication between researchers and farmers. Mother–baby trials, involving on-farm participation ...
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Chapter and Conference Paper
Gas Lasers
The field of gas lasers, started with the invention of He–Ne laser in 1961, has witnessed tremendous growth in terms of technology development, research into gaseous gain medium, resonator physics and applicat...
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Article
HF-based clad etching of fibre Bragg grating and its utilization in concentration sensing of laser dye in dye–ethanol solution
This paper presents a fibre Bragg grating (FBG) based sensor to study the concentration of laser dye in dye–ethanol solution. The FBG used in this experiment is indigenously developed using 255 nm UV radiation...
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Article
Development of tilted fibre Bragg gratings using highly coherent 255 nm radiation
This paper reports the study on development of tilted fibre Bragg gratings using highly coherent 255 nm radiation, obtained from the second harmonic generation (SHG) of copper vapour laser (CVL). The transmiss...
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Chapter and Conference Paper
Highwall Mining in India
Coal has been recognized as the most important source of energy for electricity generation in India. Currently the country produces more than 550 million tonnes of coal per year, more than 80% of which comes f...
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Article
Analysis of pulsed discharge characteristics of solid-state switch (IGBT) based 16 kHz repetition rate, 100 W average power copper–HBr lasers
We present for the first time a comprehensive analysis (both time resolved and time averaged) of the gas-discharge characteristics of a solid-state switch (IGBT) based on high average power (100 W class), high...
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Article
Development of a 16 kHz repetition rate, 110 W average power copper HyBrID laser
This paper presents the design and performance analysis of an indigenously developed 110 W average output power copper HyBrID laser operating at 16 kHz pulse repetition rate. The laser active medium was confin...
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Article
Toxicology and free radicals scavenging property of Tamra bhasma
Free radicals are implicated in various chronic diseases. There has always been a search for new antioxidants. In this paper we have investigated Tamra bhasma, a metallic ayurvedic preparation. It is a time-te...
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Article
Electron cyclotron waves in the presence of parallel electric fields in the Earth’s auroral plasma
The electron cyclotron waves that originate at low altitudes (<0.5 RE) and observed by ground facilities have been studied in the presence of a weak parallel electric field in auroral magnetoplasma consisting of ...
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Chapter
Advances in Unstable Resonator Technology for Pulsed Metal Vapor Lasers
Metal vapor lasers are characterized by high gain and short inversion times. The gain is non-uniform across the aperture of the active medium. It also builds up earlier around the periphery than along the axis...
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Article
Propagation of tweek atmospherics in the earth-ionosphere wave guide
The propagation characteristics of tweek atmospherics observed at the low-latitude ground station of Bhopal have been studied near the mode cut-off frequencies. The Earth-ionosphere wave guide plays an importa...
