Hej! My name is Thawatchart Chulapakorn (a.k.a. Toon). I am a beamline scientist for the Test Beamline at ESS.

Thawatchart Chulapakorn

Instrument Scientist for Test Beamline
Diffraction and Imaging Division
Science

Research Activities

Neutron science:

  • Neutron imaging 
  • Bragg-edge measurement
  • Neutron diffraction
  • Monte Carlo Simulation
  • McStas simulation

Others:

Mechanical testing, Ion beam analysis, Materials modification by ion bombardment, Particle accelerator, Vacuum technology, Time-resolved spectroscopy, Terahertz imaging/spectroscopy, Optical analysis, Python script

Current Projects and Collaborations

Current tasks:

  • Design shielding of experimental cave using Monte-Carlo simulation (PHITS) 
  • Calculate neutron beam instensity at detectors using neutron ray-tracing simulation (McStas)
  • Test neutron detectors: neutron gas-electron multiplier (nGEM), scintillator-based CMOS camera, and TimePix3 camera.
  • Characterize low-carbon steel subjected to mechanical deformation, by using neutron imaging, Bragg-edge measurement, and powder diffraction
  • Give a hands-on lecture for SwedNess 2022 at Delft, the Netherlands.

Collaborations:

  • Division of Solid Mechanics Lund University, Sweden
  • Royal Institute of Technology (KTH), Sweden

Selected Publications

  • S. Datta, K. Prasertsuk, N. Khammata, P. Rattanawan, J. Y. Chia, R. Jintamethasawat, T. Chulapakorn, and T. Limpanuparb, Terahertz Spectroscopic Analysis of Lactose in Infant Formula: Implications for Detection and Quantification, Molecules, 27 (2022) 5040. (doi: 10.3390/molecules27155040)
  • P. Loahavilai, C. Thanapirom, P. Rattanawan, T. Chulapakorn, S. Yanwicharaporn, C. Kingkan, K. Prasertsuk, and N. Cota, Rapid Deployment of Ultra-Wideband Indoor Positioning System, 2021 18th International Joint Conference on Computer Science and Software Engineering (JCSSE), (2021) 1-6. (doi: 10.1109/JCSSE53117.2021.9493809)
  • P. Rattanawan, T. Chulapakorn, C. Tanapirom, P. Phukphan, N. Cota, K. Prasertsuk, J. Y. Chia, N. Cota, W. Kusolthossakul, and R. Jintamethasawat, An alternative technique for verification of terahertz Smith–Purcell radiation, J. Phys. D: Appl. Phys., 54 (2021) 475106. (doi: 10.1088/1361-6463/ac2332)
  • T. Chulapakorn, S. Wonglee, W. Pornroongruengchok, T. Liamsuwan, and S. Kotayee, Determination of neutron image quality of compact collimator facility for non-destructive testing, J. Inst., 16 (2021) P02004. (doi: 10.1088/1748-0221/16/02/P02004)
  • S. Wonglee, W. Pornrungruengchok, T. Chulapakorn, J. Channuie, R. Picha, T. Liamsuwan, and S. Khaweerat, Preliminary study of neutron tomography performance tested by a standard specimen, J. Phys.: Conf. Ser., 1285 (2019) 012038.
  • T. Chulapakorn, D. Primetzhofer, I. Sychugov, S. S. Suvanam, J. Linnros, and A. Hallén, Impact of H-uptake from Forming Gas Annealing and Ion Implantation on the Photoluminescence of Si Nanoparticles, Phys. Status Solidi A, 215 (2018) 1700444.

Career History

Date: October 2023 – present                  Job title: Beamline Scientist for Test Beamline (TBL) at European Spallation Source (ESS)

Date: October 2021 – September 2023   Job title: Postdoc at Division of Solid Mechanics Lund University

Date: February 2020 – September 2021 Job title: Researcher at National Electronics and Computer Technology Center (NECTEC)

Date: February 2019 – January 2020      Job title: Nuclear Scientist at Thailand Institute of Nuclear Technology