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V Gopalaswamy

Explore the profile of V Gopalaswamy including associated specialties, affiliations and a list of published articles. Areas
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Articles 19
Citations 10
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Recent Articles
1.
Thomas C, Rosenberg M, Theobald W, Knauer J, Stoeckl C, Regan S, et al.
Phys Rev E . 2024 Nov; 110(4-2):045203. PMID: 39562888
This paper presents a simple physics-based model for the interpretation of key metrics in laser direct drive. The only input parameters required are target scale, in-flight aspect ratio, and beam-to-target...
2.
Churnetski K, Woo K, Theobald W, Betti R, Ceurvorst L, Forrest C, et al.
Rev Sci Instrum . 2024 Oct; 95(10). PMID: 39431883
A deep-learning convolutional neural network (CNN) is used to infer, from x-ray images along multiple lines of sight, the low-mode shape of the hot-spot emission of deuterium-tritium (DT) laser-direct-drive cryogenic...
3.
Shah R, Cao D, Igumenshchev I, Goncharov V, Anderson K, Bauer K, et al.
Phys Rev Lett . 2024 Sep; 133(9):095101. PMID: 39270173
We show that an x-ray emission signature associated with acceleration phase mass injection [R. C. Shah et al., Phys. Rev. E 103, 023201 (2021)PRESCM2470-004510.1103/PhysRevE.103.023201] correlates with poor experimental hot-spot convergence...
4.
Wink C, Johnson M, Mackie S, Kunimune J, Dannhoff S, Lawrence Y, et al.
Rev Sci Instrum . 2024 Aug; 95(8). PMID: 39177458
The next-generation magnetic recoil spectrometer (MRSnext) is being designed to replace the current MRS at the National Ignition Facility and OMEGA for measurements of the neutron spectrum from an inertial...
5.
Patel D, Knauer J, Cao D, Betti R, Nora R, Shvydky A, et al.
Phys Rev Lett . 2023 Sep; 131(10):105101. PMID: 37739360
In direct-drive inertial confinement fusion, the laser bandwidth reduces the laser imprinting seed of hydrodynamic instabilities. The impact of varying bandwidth on the performance of direct-drive DT-layered implosions was studied...
6.
Baltazar J, Betti R, Churnetski K, Gopalaswamy V, Knauer J, Patel D, et al.
Rev Sci Instrum . 2022 Dec; 93(12):123513. PMID: 36586930
Low- and mid-mode perturbations are possible candidates for performance limitations in cryogenic direct-drive implosions on the OMEGA laser at the Laboratory of Laser Energetics. Simulations with a 3D hydrocode demonstrated...
7.
Cao S, Patel D, Lees A, Stoeckl C, Rosenberg M, Gopalaswamy V, et al.
Phys Rev E . 2022 Dec; 106(5-2):055214. PMID: 36559357
A series of two-dimensional particle-in-cell simulations with speckled laser drivers was carried out to study hot electron generation in direct-drive inertial confinement fusion on OMEGA. Scaling laws were obtained for...
8.
Forrest C, Crilly A, Schwemmlein A, Gatu-Johnson M, Mannion O, Appelbe B, et al.
Rev Sci Instrum . 2022 Nov; 93(10):103505. PMID: 36319371
Areal density is one of the key parameters that determines the confinement time in inertial confinement fusion experiments, and low-mode asymmetries in the compressed fuel are detrimental to the implosion...
9.
Churnetski K, Woo K, Theobald W, Radha P, Betti R, Gopalaswamy V, et al.
Rev Sci Instrum . 2022 Oct; 93(9):093530. PMID: 36182469
A three-dimensional model of the hot-spot x-ray emission has been developed and applied to the study of low-mode drive asymmetries in direct-drive inertial confinement fusion implosions on OMEGA with cryogenic...
10.
Rinderknecht H, Heuer P, Kunimune J, Adrian P, Knauer J, Theobald W, et al.
Rev Sci Instrum . 2022 Oct; 93(9):093507. PMID: 36182458
A knock-on deuteron imager (KoDI) has been implemented to measure the fuel and hotspot asymmetry of cryogenic inertial confinement fusion implosions on OMEGA. Energetic neutrons produced by D-T fusion elastically...