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Note: A monoenergetic proton backlighter for the National Ignition Facility.

The Review of scientific instruments

Rygg JR, Zylstra AB, Séguin FH, LePape S, Bachmann B, Craxton RS, Garcia EM, Kong YZ, Gatu-Johnson M, Khan SF, Lahmann BJ, McKenty PW, Petrasso RD, Rinderknecht HG, Rosenberg MJ, Sayre DB, Sio HW.
PMID: 26628185
Rev Sci Instrum. 2015 Nov;86(11):116104. doi: 10.1063/1.4935581.

A monoenergetic, isotropic proton source suitable for proton radiography applications has been demonstrated at the National Ignition Facility (NIF). A deuterium and helium-3 gas-filled glass capsule was imploded with 39 kJ of laser energy from 24 of NIF's 192...

Impact of x-ray dose on the response of CR-39 to 1-5.5 MeV alphas.

The Review of scientific instruments

Rojas-Herrera J, Rinderknecht HG, Zylstra AB, Gatu Johnson M, Orozco D, Rosenberg MJ, Sio H, Seguin FH, Frenje JA, Li CK, Petrasso RD.
PMID: 25832223
Rev Sci Instrum. 2015 Mar;86(3):033501. doi: 10.1063/1.4913906.

The CR-39 nuclear track detector is used in many nuclear diagnostics fielded at inertial confinement fusion (ICF) facilities. Large x-ray fluences generated by ICF experiments may impact the CR-39 response to incident charged particles. To determine the impact of...

Improved Performance of High Areal Density Indirect Drive Implosions at the National Ignition Facility using a Four-Shock Adiabat Shaped Drive.

Physical review letters

Casey DT, Milovich JL, Smalyuk VA, Clark DS, Robey HF, Pak A, MacPhee AG, Baker KL, Weber CR, Ma T, Park HS, Döppner T, Callahan DA, Haan SW, Patel PK, Peterson JL, Hoover D, Nikroo A, Yeamans CB, Merrill FE, Volegov PL, Fittinghoff DN, Grim GP, Edwards MJ, Landen OL, Lafortune KN, MacGowan BJ, Widmayer CC, Sayre DB, Hatarik R, Bond EJ, Nagel SR, Benedetti LR, Izumi N, Khan S, Bachmann B, Spears BK, Cerjan CJ, Gatu Johnson M, Frenje JA.
PMID: 26382681
Phys Rev Lett. 2015 Sep 04;115(10):105001. doi: 10.1103/PhysRevLett.115.105001. Epub 2015 Sep 01.

Hydrodynamic instabilities can cause capsule defects and other perturbations to grow and degrade implosion performance in ignition experiments at the National Ignition Facility (NIF). Here, we show the first experimental demonstration that a strong unsupported first shock in indirect...

Thin shell, high velocity inertial confinement fusion implosions on the national ignition facility.

Physical review letters

Ma T, Hurricane OA, Callahan DA, Barrios MA, Casey DT, Dewald EL, Dittrich TR, Döppner T, Haan SW, Hinkel DE, Berzak Hopkins LF, Le Pape S, MacPhee AG, Pak A, Park HS, Patel PK, Remington BA, Robey HF, Salmonson JD, Springer PT, Tommasini R, Benedetti LR, Bionta R, Bond E, Bradley DK, Caggiano J, Celliers P, Cerjan CJ, Church JA, Dixit S, Dylla-Spears R, Edgell D, Edwards MJ, Field J, Fittinghoff DN, Frenje JA, Gatu Johnson M, Grim G, Guler N, Hatarik R, Herrmann HW, Hsing WW, Izumi N, Jones OS, Khan SF, Kilkenny JD, Knauer J, Kohut T, Kozioziemski B, Kritcher A, Kyrala G, Landen OL, MacGowan BJ, Mackinnon AJ, Meezan NB, Merrill FE, Moody JD, Nagel SR, Nikroo A, Parham T, Ralph JE, Rosen MD, Rygg JR, Sater J, Sayre D, Schneider MB, Shaughnessy D, Spears BK, Town RP, Volegov PL, Wan A, Widmann K, Wilde CH, Yeamans C.
PMID: 25910132
Phys Rev Lett. 2015 Apr 10;114(14):145004. doi: 10.1103/PhysRevLett.114.145004. Epub 2015 Apr 06.

Experiments have recently been conducted at the National Ignition Facility utilizing inertial confinement fusion capsule ablators that are 175 and 165  μm in thickness, 10% and 15% thinner, respectively, than the nominal thickness capsule used throughout the high foot...

Performance of high-convergence, layered DT implosions with extended-duration pulses at the National Ignition Facility.

Physical review letters

Smalyuk VA, Atherton LJ, Benedetti LR, Bionta R, Bleuel D, Bond E, Bradley DK, Caggiano J, Callahan DA, Casey DT, Celliers PM, Cerjan CJ, Clark D, Dewald EL, Dixit SN, Döppner T, Edgell DH, Edwards MJ, Frenje J, Gatu-Johnson M, Glebov VY, Glenn S, Glenzer SH, Grim G, Haan SW, Hammel BA, Hartouni EP, Hatarik R, Hatchett S, Hicks DG, Hsing WW, Izumi N, Jones OS, Key MH, Khan SF, Kilkenny JD, Kline JL, Knauer J, Kyrala GA, Landen OL, Le Pape S, Lindl JD, Ma T, MacGowan BJ, Mackinnon AJ, MacPhee AG, McNaney J, Meezan NB, Moody JD, Moore A, Moran M, Moses EI, Pak A, Parham T, Park HS, Patel PK, Petrasso R, Ralph JE, Regan SP, Remington BA, Robey HF, Ross JS, Spears BK, Springer PT, Suter LJ, Tommasini R, Town RP, Weber SV, Widmann K.
PMID: 24313493
Phys Rev Lett. 2013 Nov 22;111(21):215001. doi: 10.1103/PhysRevLett.111.215001. Epub 2013 Nov 19.

Radiation-driven, low-adiabat, cryogenic DT layered plastic capsule implosions were carried out on the National Ignition Facility (NIF) to study the sensitivity of performance to peak power and drive duration. An implosion with extended drive and at reduced peak power...

Upgrade of the MIT Linear Electrostatic Ion Accelerator (LEIA) for nuclear diagnostics development for Omega, Z and the NIF.

The Review of scientific instruments

Sinenian N, Manuel MJ, Zylstra AB, Rosenberg M, Waugh CJ, Rinderknecht HG, Casey DT, Sio H, Ruszczynski JK, Zhou L, Gatu Johnson M, Frenje JA, Séguin FH, Li CK, Petrasso RD, Ruiz CL, Leeper RJ.
PMID: 22559531
Rev Sci Instrum. 2012 Apr;83(4):043502. doi: 10.1063/1.3703315.

The MIT Linear Electrostatic Ion Accelerator (LEIA) generates DD and D(3)He fusion products for the development of nuclear diagnostics for Omega, Z, and the National Ignition Facility (NIF). Significant improvements to the system in recent years are presented. Fusion...

Measurements of an ablator-gas atomic mix in indirectly driven implosions at the National Ignition Facility.

Physical review letters

Smalyuk VA, Tipton RE, Pino JE, Casey DT, Grim GP, Remington BA, Rowley DP, Weber SV, Barrios M, Benedetti LR, Bleuel DL, Bradley DK, Caggiano JA, Callahan DA, Cerjan CJ, Clark DS, Edgell DH, Edwards MJ, Frenje JA, Gatu-Johnson M, Glebov VY, Glenn S, Haan SW, Hamza A, Hatarik R, Hsing WW, Izumi N, Khan S, Kilkenny JD, Kline J, Knauer J, Landen OL, Ma T, McNaney JM, Mintz M, Moore A, Nikroo A, Pak A, Parham T, Petrasso R, Sayre DB, Schneider MB, Tommasini R, Town RP, Widmann K, Wilson DC, Yeamans CB.
PMID: 24484021
Phys Rev Lett. 2014 Jan 17;112(2):025002. doi: 10.1103/PhysRevLett.112.025002. Epub 2014 Jan 14.

We present the first results from an experimental campaign to measure the atomic ablator-gas mix in the deceleration phase of gas-filled capsule implosions on the National Ignition Facility. Plastic capsules containing CD layers were filled with tritium gas; as...

First measurements of remaining shell areal density on the OMEGA laser using the Diagnostic for Areal Density (DAD).

The Review of scientific instruments

Rubery MS, Horsfield CJ, Gales SG, Garbett WJ, Leatherland A, Young C, Herrmann H, Kim Y, Hoffman NM, Mack JM, Aragonez R, Sedillo T, Evans S, Brannon RB, Stoeckl C, Ulreich J, Sorce A, Gates G, Shoup MJ, Peck B, Gatu Johnson M, Frenje JA, Milnes JS, Stoeffl W.
PMID: 30184681
Rev Sci Instrum. 2018 Aug;89(8):083510. doi: 10.1063/1.5023400.

A glass Cherenkov detector, called the Diagnostic for Areal Density (DAD), has been built and implemented at the OMEGA laser facility for measuring fusion gammas above 430 keV, from which remaining shell ⟨

Indications of flow near maximum compression in layered deuterium-tritium implosions at the National Ignition Facility.

Physical review. E

Gatu Johnson M, Knauer JP, Cerjan CJ, Eckart MJ, Grim GP, Hartouni EP, Hatarik R, Kilkenny JD, Munro DH, Sayre DB, Spears BK, Bionta RM, Bond EJ, Caggiano JA, Callahan D, Casey DT, Döppner T, Frenje JA, Glebov VY, Hurricane O, Kritcher A, LePape S, Ma T, Mackinnon A, Meezan N, Patel P, Petrasso RD, Ralph JE, Springer PT, Yeamans CB.
PMID: 27627237
Phys Rev E. 2016 Aug;94(2):021202. doi: 10.1103/PhysRevE.94.021202. Epub 2016 Aug 15.

An accurate understanding of burn dynamics in implosions of cryogenically layered deuterium (D) and tritium (T) filled capsules, obtained partly through precision diagnosis of these experiments, is essential for assessing the impediments to achieving ignition at the National Ignition...

Hotspot parameter scaling with velocity and yield for high-adiabat layered implosions at the National Ignition Facility.

Physical review. E

Baker KL, Thomas CA, Casey DT, Hohenberger M, Khan S, Spears BK, Landen OL, Nora R, Woods DT, Milovich JL, Berger RL, Strozzi D, Weber C, Clark D, Hurricane OA, Callahan DA, Kritcher AL, Bachmann B, Benedetti LR, Bionta R, Celliers PM, Fittinghoff D, Goyon C, Hatarik R, Izumi N, Gatu Johnson M, Kyrala G, Ma T, Meaney K, Millot M, Nagel SR, Patel PK, Turnbull D, Volegov PL, Yeamans C, Wilde C.
PMID: 32942378
Phys Rev E. 2020 Aug;102(2):023210. doi: 10.1103/PhysRevE.102.023210.

This paper presents a study on hotspot parameters in indirect-drive, inertially confined fusion implosions as they proceed through the self-heating regime. The implosions with increasing nuclear yield reach the burning-plasma regime, hotspot ignition, and finally propagating burn and ignition....

The conceptual design of 1-ps time resolution neutron detector for fusion reaction history measurement at OMEGA and the National Ignition Facility.

The Review of scientific instruments

Arikawa Y, Ota M, Nakajima M, Shimizu T, Segawa S, Khoa Phan TN, Sakawa Y, Abe Y, Morace A, Mirfayzi SR, Yogo A, Fujioka S, Nakai M, Shiraga H, Azechi H, Kodama R, Kan K, Frenje J, Gatu Johnson M, Bose A, Kabadi NV, Sutcliffe GD, Adrian P, Li C, Séguin FH, Petrasso R.
PMID: 32611003
Rev Sci Instrum. 2020 Jun 01;91(6):063304. doi: 10.1063/1.5143657.

The nuclear burn history provides critical information about the dynamics of the hot-spot formation and high-density fuel-shell assembly of an Inertial Confinement Fusion (ICF) implosion, as well as information on the impact of alpha heating, and a multitude of...

High-resolution measurements of the DT neutron spectrum using new CD foils in the Magnetic Recoil neutron Spectrometer (MRS) on the National Ignition Facility.

The Review of scientific instruments

Gatu Johnson M, Frenje JA, Bionta RM, Casey DT, Eckart MJ, Farrell MP, Grim GP, Hartouni EP, Hatarik R, Hoppe M, Kilkenny JD, Li CK, Petrasso RD, Reynolds HG, Sayre DB, Schoff ME, Séguin FH, Skulina K, Yeamans CB.
PMID: 27910455
Rev Sci Instrum. 2016 Nov;87(11):11D816. doi: 10.1063/1.4959946.

The Magnetic Recoil neutron Spectrometer (MRS) on the National Ignition Facility measures the DT neutron spectrum from cryogenically layered inertial confinement fusion implosions. Yield, areal density, apparent ion temperature, and directional fluid flow are inferred from the MRS data....

Showing 1 to 12 of 68 entries