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Amit D Lad

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Articles 22
Citations 53
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Recent Articles
11.
Chatterjee G, Schoeffler K, Singh P, Adak A, Lad A, Sengupta S, et al.
Nat Commun . 2017 Jul; 8:15970. PMID: 28665398
Turbulent magnetic fields abound in nature, pervading astrophysical, solar, terrestrial and laboratory plasmas. Understanding the ubiquity of magnetic turbulence and its role in the universe is an outstanding scientific challenge....
12.
Cristoforetti G, Londrillo P, Singh P, Baffigi F, DArrigo G, Lad A, et al.
Sci Rep . 2017 May; 7(1):1479. PMID: 28469135
Relativistic laser interaction with micro- and nano-scale surface structures enhances energy transfer to solid targets and yields matter in extreme conditions. We report on the comparative study of laser-target interaction...
13.
Dey I, Adak A, Singh P, Shaikh M, Chatterjee G, Sarkar D, et al.
Opt Express . 2016 Dec; 24(25):28419-28432. PMID: 27958487
Ultra-high intensity (> 10 W/cm), femtosecond (~30 fs) laser induced fast electron transport in a transparent dielectric has been studied for two laser systems having three orders of magnitude different...
14.
Singh P, Cui Y, Adak A, Lad A, Chatterjee G, Brijesh P, et al.
Sci Rep . 2015 Dec; 5:17870. PMID: 26648399
The absorption of ultraintense, femtosecond laser pulses by a solid unleashes relativistic electrons, thereby creating a regime of relativistic optics. This has enabled exciting applications of relativistic particle beams and...
15.
Krishnamurthy M, Kundu M, Bane K, Lad A, Singh P, Chatterjee G, et al.
Opt Express . 2015 Jul; 23(14):17909-22. PMID: 26191851
Recently, it has been greatly appreciated that intense light matter interaction is modified due to the nano- and microstructures in the target by--surface plasmons, laser energy localization scattering etc. Extreme...
16.
Adak A, Robinson A, Singh P, Chatterjee G, Lad A, Pasley J, et al.
Phys Rev Lett . 2015 Apr; 114(11):115001. PMID: 25839282
We present a hitherto unobserved facet of hydrodynamics, namely the generation of an ultrahigh frequency acoustic disturbance in the terahertz frequency range, whose origins are purely hydrodynamic in nature. The...
17.
Singh P, Chatterjee G, Adak A, Lad A, Brijesh P, Ravindra Kumar G
Opt Express . 2014 Oct; 22(19):22320-7. PMID: 25321704
We present time-resolved reflectivity and transmissivity of hot, overdense plasma by employing a multicolor probe beam, consisting of harmonics at wavelengths of 800 nm, 400 nm and 266 nm. The...
18.
Chatterjee G, Singh P, Adak A, Lad A, Ravindra Kumar G
Rev Sci Instrum . 2014 Feb; 85(1):013505. PMID: 24517763
A pump-probe polarimetric technique is demonstrated, which provides a complete, temporally and spatially resolved mapping of the megagauss magnetic fields generated in intense short-pulse laser-plasma interactions. A normally incident time-delayed...
19.
Chatterjee G, Singh P, Ahmed S, Robinson A, Lad A, Mondal S, et al.
Phys Rev Lett . 2012 Sep; 108(23):235005. PMID: 23003966
We demonstrate that aligned carbon-nanotube arrays are efficient transporters of laser-generated mega-ampere electron currents over distances as large as a millimeter. A direct polarimetric measurement of the temporal and the...
20.
Mondal S, Narayanan V, Ding W, Lad A, Hao B, Ahmad S, et al.
Proc Natl Acad Sci U S A . 2012 May; 109(21):8011-5. PMID: 22566660
Turbulence in fluids is a ubiquitous, fascinating, and complex natural phenomenon that is not yet fully understood. Unraveling turbulence in high density, high temperature plasmas is an even bigger challenge...