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Amit D Lad

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Articles 22
Citations 53
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Recent Articles
1.
Dulat A, Aparajit C, Choudhary A, Lad A, Ved Y, Paradkar B, et al.
Opt Lett . 2023 May; 47(21):5684-5687. PMID: 37219303
Using the spectral interferometry technique, we measured subpicosecond time-resolved pre-plasma scale lengths and early expansion (<12 ps) of the plasma produced by a high intensity (6 × 10 W/cm) pulse...
2.
Lad A, Mishima Y, Singh P, Li B, Adak A, Chatterjee G, et al.
Sci Rep . 2022 Oct; 12(1):16818. PMID: 36207383
Bright, energetic, and directional electron bunches are generated through efficient energy transfer of relativistic intense (~ 10 W/cm), 30 femtosecond, 800 nm high contrast laser pulses to grating targets (500 ...
3.
Aparajit C, Jana K, Lad A, Ved Y, Couairon A, Ravindra Kumar G
Opt Lett . 2021 Jul; 46(15):3540-3543. PMID: 34329219
We demonstrate the highest efficiency (∼80) second harmonic generation of joule level, 27 fs, high-contrast pulses in a type-I lithium triborate (LBO) crystal. In comparison, potassium dihydrogen phosphate gives a...
4.
Shaikh M, Lad A, Sarkar D, Jana K, Ravindra Kumar G, Rajeev P
Rev Sci Instrum . 2019 Feb; 90(1):013301. PMID: 30709173
Optical Kerr gating technique has been employed to investigate the life history of relativistic electrons in solids by temporally gating their Cherenkov emission. Mega-ampere currents of relativistic electrons are created...
5.
Papeer J, Dey I, Botton M, Henis Z, Lad A, Shaikh M, et al.
Sci Rep . 2019 Jan; 9(1):407. PMID: 30674944
Remote manipulation (triggering and guiding) of lightning in atmospheric conditions of thunderstorms has been the subject of intense scientific research for decades. High power, ultrashort-pulse lasers are considered attractive in...
6.
Tata S, Mondal A, Sarkar S, Jha J, Ved Y, Lad A, et al.
Phys Rev Lett . 2018 Oct; 121(13):134801. PMID: 30312093
Short pulse, high contrast, intense laser pulses incident onto a solid target are not known to generate fast neutral atoms. Experiments carried out to study the recombination of accelerated protons...
7.
Shaikh M, Lad A, Birindelli G, Pepitone K, Jha J, Sarkar D, et al.
Phys Rev Lett . 2018 Feb; 120(6):065001. PMID: 29481271
We report the lifetime of intense-laser (2×10^{19}  W/cm^{2}) generated relativistic electron pulses in solids by measuring the time evolution of their Cherenkov emission. Using a picosecond resolution optical Kerr gating...
8.
Dey I, Jana K, Fedorov V, Koulouklidis A, Mondal A, Shaikh M, et al.
Nat Commun . 2017 Nov; 8(1):1184. PMID: 29084961
Generation and application of energetic, broadband terahertz pulses (bandwidth ~0.1-50 THz) is an active and contemporary area of research. The main thrust is toward the development of efficient sources with...
9.
Tata S, Mondal A, Sarkar S, Lad A, Krishnamurthy M
Rev Sci Instrum . 2017 Sep; 88(8):083305. PMID: 28863677
Ions of high energy and high charge are accelerated from compact intense laser produced plasmas and are routinely analysed either by time of flight or Thomson parabola spectrometry. At the...
10.
Chatterjee G, Singh P, Robinson A, Blackman D, Booth N, Culfa O, et al.
Sci Rep . 2017 Aug; 7(1):8347. PMID: 28827645
The transport of hot, relativistic electrons produced by the interaction of an intense petawatt laser pulse with a solid has garnered interest due to its potential application in the development...