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Article
Open AccessStudies on electron acceleration from modulated surface at grazing angle laser interaction
Surface plasmon (SP) based electron acceleration has been investigated during the interaction of short, ultra-intense (I > 1019 W/cm2) laser pulse with periodically modulated solid target. Laser contrast conditio...
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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
Exploring X-ray lasing in nitrogen pinch plasma at very high and fast discharge current excitation
The possibility to demonstrate X-ray lasing in nitrogen at 13.4 nm through recombination scheme driven by capillary discharge excitation has been explored at a high discharge current of ~95 kA, with ~46 ns qua...
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Article
Shock wave propagation in soda lime glass using optical shadowgraphy
Propagation of shock waves in soda lime glass, which is a transparent material, has been studied using the optical shadowgraphy technique. The time-resolved shock velocity information has been obtained (1) in ...
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Article
Effect of the rate of rise in discharge current on the output of a 46.9-nm soft X-ray laser based on capillary discharge
The rate of rise in discharge current (dI/dt) is an important parameter in an X-ray laser pumped by fast capillary discharge. The effect of this parameter on the energy of an argon plasma-based 46.9-nm soft X-ra...
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Article
Calculation of Self-Generated Magnetic Fields in Laser-Produced Plasmas
We develop an interactive procedure for estimating the self-generated magnetic fields in laser-produced plasmas using MATLAB software. We use this procedure for analyzing the digital images recorded employing ...
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Article
Characterization of the 46.9-nm soft X-ray laser beam from a capillary discharge
Intense lasing had been obtained from argon plasma in the soft X-ray region from a capillary discharge plasma system. Different diagnostics have been used to characterize the lasing properties by recording th...
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Article
Generation of intense soft X-rays from capillary discharge plasmas
X-ray lasing through high voltage, high current discharges in gas filled capillaries has been demonstrated in several laboratories. This method gives highest number of X-ray photons per pulse. The fast varying...
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Article
Volume effect of laser produced plasma on X-ray emissions
An investigation of x-ray emission from Cu plasma produced by 1.054 µm Nd:glass laser pulses of 5 ns duration, at 2 × 1012 − 2 × 1013 W cm−2 is reported. The x-ray emission has been studied as a function of targe...
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Article
Scaling of x-ray emission and ion velocity in laser produced Cu plasmas
The x-ray emission from slab targets of copper irradiated by Nd:glass laser (1.054 µm, 5 and 15 ns) at intensities between 1012 and 1011W/cm2 has been studied. The x-ray emissions were monitored with the help of ...
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Article
Design and performance studies of an MCP based pinhole camera for laser-produced plasma diagnostics
An X-ray pinhole camera system has been developed and tested to obtain spatially resolved time-integrated X-ray images of laser-produced plasmas (Nd: YAG laser of 75mJ energy in 35 picoseconds) using a single ...
