Preliminary Results from Titan Divergence Measurements L. D. Van Woerkom Department of Physics The Ohio State University FSC Special Meeting LLNL 4-6 August.

Slides:

Advertisements

Similar presentations

Stephen Benson U.S. Particle Accelerator School January 28, 2011 Establishing Lasing in the FEL* * This work was supported by U.S. DOE Contract No. DE-AC05-84-ER40150,

Advertisements

RHESSI Studies of Solar Flare Hard X-Ray Polarization Mark L. McConnell 1, David M. Smith 2, A. Gordon Emslie 4, Martin Fivian 3, Gordon J. Hurford 3,

Buried cone, buried layer Titan, August 2008 ShotDpthEnrgy HOPG Imager # (um)main (J) pp requested (mJ) Pp measured ASE//Spike (mV) Integra ted MaxBkgnd.

Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation,

1 Monoenergetic proton radiography of laser-plasma interactions and capsule implosions 2.7 mm 15-MeV proton backlighter (imploded D 3 He-filled capsule)

10L Simulations Close to current Titan parameters. Here’s the big picture… electron diagnostic “target planes” every 25  m preplasma L = 5μm (3) LASER.

Sub-picosecond Megavolt Electron Diffraction International Symposium on Molecular Spectroscopy June 21, 2006 Fedor Rudakov Department of Chemistry, Brown.

Lawrence Livermore National Laboratory Pravesh Patel 10th Intl. Workshop on Fast Ignition of Fusion Targets June 9-13, 2008, Hersonissos, Crete Experimental.

Charged-particle acceleration in PW laser-plasma interaction

U N C L A S S I F I E D LA-UR Short-pulse ion acceleration exceeding scaling laws from flat foils and “Pizza-top Cone” targets at the Trident laser.

Analysis of instrumental effects in HIBP equilibrium potential profile measurements on the MST-RFP Xiaolin Zhang Plasma Dynamics Lab, Rensselaer Polytechnic.

Wayne R. Meier Lawrence Livermore National Lab Heavy Ion Fusion Modeling Update - Spot Size Model Changes* ARIES Meeting April 22-23, 2002 * This work.

Energy transport experiments on VULCAN PW Dr Kate Lancaster Central Laser Facility CCLRC Rutherford Appleton Laboratory.

This work was performed under the auspices of the U.S. Department of Energy by the University of California Lawrence Livermore National Laboratory under.

Wayne R. Meier Lawrence Livermore National Lab Heavy Ion Fusion Modeling Update* ARIES e-Meeting October 17, 2001 * This work was performed under the auspices.

Studies of proton generation and focusing for fast ignition applications Fast Ignition Workshop Nov 4th 2006 Andrew Mackinnon Lawrence Livermore National.

Time resolved images of the x-ray emission from Ti foils and sandwiched Al/Ti/Al foils, in the region between 4.4 and 5.0 keV, show well resolved of K-

FSC 1 Benchmark Modeling of Electron Beam Transport in Nail and Wire Experiments Using Three Independent PIC Codes Mingsheng Wei Annual Fusion Science.

K-Shell Spectroscopy of Au Plasma Generated with a Short Pulse Laser Calvin Zulick [1], Franklin Dollar [1], Hui Chen [2], Katerina Falk [3], Andy Hazi.

Diagnostics for Benchmarking Experiments L. Van Woerkom The Ohio State University University of California, San Diego Center for Energy Research 3rd MEETING.

Modeling the benchmark experiments Mingsheng Wei, Fei He, John Pasley, Farhat Beg,… University of California, San Diego Richard Stephens General Atomics.

Recent Numerical Advances for Beam-Driven HEDP Experiments S.A. Veitzer, P.H. Stoltz, J.R. Cary Tech-X Corporation J.J. Barnard Lawrence Livermore National.

Lawrence Livermore National Laboratory Using Nuclear Resonance Fluorescence to Isotopically Map Containers Micah S Johnson, D.P. McNabb This work performed.

Update on LLNL FI activities on the Titan Laser A.J.Mackinnon Feb 28, 2007 Fusion Science Center Meeting Chicago.

ICFT/P PERSISTENT SURVEILLANCE FOR PIPELINE PROTECTION AND THREAT INTERDICTION 9 th International Fast Ignition Workshop Cambridge, MA 3 November.

Proposed ILSA/FSC Expt. Aug Linn Van Woerkom FSC Meeting Chicago 28 February 2007.

OSU/UCSD/GA Experimental Program J. Pasley, E. Shipton, T. Ma, B. Bucher, S. Chen, F. Beg University of California at San Diego E. Chowdhury, L. Van Woerkom,

University of Rochester Fusion Science Center Review of electron beam divergence for Fast Ignition LLNL Livermore, Ca. August 4 th to 6 th 2010 Michael.

Measurement of Magnetic field in intense laser-matter interaction via Relativistic electron deflectometry Osaka University *N. Nakanii, H. Habara, K. A.

This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Security, LLC, Lawrence Livermore National Laboratory.

Lawrence Livermore National Laboratory Andrew G. MacPhee 17 th Topical Conference on High Temperature Plasma Diagnostics Albuquerque, NMWed 14 th May 2008.

Intense Laser Plasma Interactions on the Road to Fast Ignition Linn D. Van Woerkom The Ohio State University APS DPP Orlando, FL 14 November 2007 FSC.

Laser-triggered RF breakdown experiment with a photo-cathode RF gun at Tsinghua University Presented on behalf of the collaboration by Jiaru Shi Department.

October 30th, 2007High Average Power Laser Program Workshop 1 Long lifetime optical coatings for 248 nm: development and testing Presented by: Tom Lehecka.

Yusuke TSUCHIKAWA R. Hashimoto, Q. He, T. Ishikawa, S. Masumoto, M. Miyabe, N. Muramatsu, H. Shimizu, Y. Tajima, H. Yamazaki, R. Yamazaki, and FOREST collaboration.

Angular distribution of fast electrons and

Crystal development Water jet cutting Glass glue bonding Diffusion bonding Large diameter boule growth Thermal stress analysis Reproducible growth of high.

This work was performed under the auspices of the U.S. Department of Energy by the University of California Lawrence Livermore National Laboratory under.

Ulsan National Institute of Science and Technology Toward a World-Leading University Y.K KIM.

LSP modeling of the electron beam propagation in the nail/wire targets Mingsheng Wei, Andrey Solodov, John Pasley, Farhat Beg and Richard Stephens Center.

Fast Electron Temperature Scaling and Conversion Efficiency Measurements using a Bremsstrahlung Spectrometer Brad Westover US-Japan Workshop San Diego,

Improving Laser/Plasma Coupling with Rough Surfaces K. Highbarger 1, R. Stephens 2, E. Giraldez 2, J. Jaquez 2, L. VanWoerkom 1, R. Freeman 1 1 The Ohio.

Proximity Effect in EBL by: Zeinab Mohammadi November 2011

2.1 GHz Warm RF Cavity for LEReC Binping Xiao Collider-Accelerator Department, BNL June 15, 2015 LEReC Warm Cavity Review Meeting  June 15, 2015.

Plans for MPGD Radiation hardness tests for full detectors and components Matteo Alfonsi,Gabriele Croci, Elena Rocco, Serge Duarte Pinto, Leszek Ropelewski.

The Heavy Ion Fusion Science Virtual National Laboratory Question 1: Assess and document target preheat effects from beams and plasma for the various options.

Lawrence Livermore National Laboratory Titan June 2008 Experiment Planning January 31, 2016.

01/20/2009Wei, Sawada, Macphee, Mackinnon1 Revised target lists – Focus on shock heating and e-transport in WDM targets – Add electron transport in shocked.

Opacity Correction (1/20/09) Schumacher, Ovchinnikov Materials: Copper (1/e absoption length taken as 22  ), Aluminum (72.4  ). Targets: Slab sandwich,

Run Time, Mott-Schwinger, Systematics, Run plan David Bowman NPDGamma Collaboration Meeting 10/15/2010.

FSC 1 Electron Transport Experiments Farhat Beg Fusion Science Center Meeting Feb. 28, 2007 FSC RAC.

Atomic-scale characterization of Nb for SRF cavities using UV

LLNL-PRES This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344.

1 1 Office of Science Plasma control & diagnostics for 10 GeV electron beams on BELLA Work supported by: Office of Science, Office of HEP, US DoE Contract.

1 1 Office of Science Strong Field Electrodynamics of Thin Foils S. S. Bulanov Lawrence Berkeley National Laboratory, Berkeley, CA We acknowledge support.

3D Simulation Studies of Irradiated BNL One-Sided Dual-column 3D Silicon Detector up to 1x1016 neq/cm2 Zheng Li1 and Tanja Palviainen2 1Brookhaven National.

of High-Energy, High-Density Electron and Positron Beams

Laser wakefield accelerated electrons

Positron production rate vs incident electron beam energy for a tungsten target

Preliminary result of FCC positron source simulation Pavel MARTYSHKIN

The Lund R3B prototype: In-beam proton tests and simulations

First data from TOTEM experiment at LHC

HG-Cal Simulation using Silvaco TCAD tool at Delhi University Chakresh Jain, Geetika Jain, Ranjeet Dalal, Ashutosh Bhardwaj, Kirti Ranjan CMS simulation.

Numerical simulations on single mask conical GEMs

Mott Polarimeter Solid Angle

Timed photon counter 5 ΔV 4 ΔV 3 ΔV 30 μm 2 ΔV ΔV Diameter 30 μm Pitch

LSP Modeling of Ultra-Intense Lasers on Cone-Coupled Wire Targets:

Transverse size and distribution of FEL x-ray radiation of the LCLS

Fig. 4 Twist grain boundary free energies as a function of misalignment angle for the (110)-(100) crystal planes of a nanocrystal with 1135 atoms. Twist.

Energy penetration into arrays of aligned nanowires irradiated with relativistic intensities: Scaling to terabar pressures by Clayton Bargsten, Reed Hollinger,

Presentation transcript:

Preliminary Results from Titan Divergence Measurements L. D. Van Woerkom Department of Physics The Ohio State University FSC Special Meeting LLNL 4-6 August 2010

Collaborators

Funding Office of Fusion Energy Science (OFES) –Advanced Concept Exploration Program Fusion Science Center (FSC) This work performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344 FSC

Outline Defining electron beam divergence Titan Experiments –August 2009 –May 2010 –July 2010 Conclusions

Rear view buried layer K  imaging CCD Laser K  fluor Bragg crystal K  (10  m res.) Cone angle 40 o Min diameter 75  m Initial e - beam size ~75  m>>~10  m laser spot (in agreement with transverse view penetration) Beam spreads with 40° full angle J/5 ps microns R. Stephens et al, PRE (2004)

Kα crystal (south) Ka detector Titan experiment layout

B01 series,15 Al/25 Cu/25 Al/25 Al/1mm CH From top right to bottom left: B02-1, no background subtraction; B02-2, couldn’t tell where signal started and background end; B02-3, no background subtraction; B02-4, no background subtraction

Buried Cones -- New 15° half angle C Cu Al As deep as we can image. 200 um? Targets: Electrical Discharge Machine (EDM) start w/ solid uniform Al foil, EDM cone holes, glue C get lost 2009 targets  varied depths 2010 targets  const. depths Surrounding Al eliminates interface fields Carbon provides get lost layer

First Results Aug 2009

Kα spot size and Kα yield for buried cones May 2010, Mingsheng Wei

July 2010 Titan results

Summary of KB Microscope Results July 2010 H Friesen. July 28, 2010

Everything Aug 2009 Stephens 2004 May 2010 – 30  m tip May 2010 – 60  m tip  (full) Jul 2010 – KB

Source Size Use Cu K-alpha imager looking at front Measure spot size for a variety of conditions From Jan 2008

Our main target was Al/Cu/Al 10 µm Al 25 µm Cu 1000 µm Al Irradiated side

Titan Kα spot diameter as a function of Pulselength 104 J 18 J 98 J

Titan Kα spot diameter as a function of Laser 0.7 ps

Titan Kα spot diameter as a function of Pre-pulse

Titan Kα spot diameter as a function of daily shot #

Conclusions Alignment very difficult Lots of scatter due to misalignment Good alignment shows no real difference from flats Full angle ~ degrees Good News? –Effects of cone structure not dominant –Can use flats for source studies