Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Temperature-dependent x-ray fluorescent response from thermographic phosphors under x-ray excitation

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/5.0053469· OSTI ID:1810351

Phosphor thermometry has been successfully applied within several challenging environments. Typically, the thermographic phosphors are excited by an ultraviolet light source, and the temperature-dependent spectral or temporal response is measured. However, this is challenging or impossible in optically thick environments. In addition, emission from other sources (e.g., a flame) may interfere with the optical phosphor emission. Furthermore, a temperature dependent x-ray excitation/emission could alleviate these issues as x-rays could penetrate obscurants with no interference from flame luminosity. In addition, x-ray emission could allow for thermometry within solids while simultaneously x-ray imaging the structural evolution. In this study, select thermographic phosphors were excited via x-ray radiation, and their x-ray emission characteristics were measured at various temperatures. Several of the phosphors showed varying levels of temperature dependence with the strongest sensitivity occurring for YAG:Dy and ZnGa2O4:Mn. This approach opens a path for less intrusive temperature measurements, particularly in optically opaque multiphase and solid phase combustion environments.

Research Organization:
Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA); US Office of Naval Research (ONR); US Air Force Office of Scientific Research (AFOSR); National Aeronautic and Space Administration (NASA)
Grant/Contract Number:
AC04-94AL85000; AC02-06CH11357; NA0003525
OSTI ID:
1810351
Alternate ID(s):
OSTI ID: 1864832
Report Number(s):
SAND--2021-7342J; 697199
Journal Information:
Applied Physics Letters, Journal Name: Applied Physics Letters Journal Issue: 3 Vol. 119; ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English

References (34)

X-Ray Fluorescence Spectrometry June 1999
Simultaneous 2D flow velocity and gas temperature measurements using thermographic phosphors journal May 2008
Gas-phase thermometry in a high-pressure cell using BaMgAl10O17:Eu as a thermographic phosphor journal April 2013
X-ray fluorescence spectrometry journal July 1992
Two-dimensional surface temperature measurements of burning materials journal January 2002
Two-colour phosphor thermometry for surface temperature measurement journal June 2006
Thermographic phosphors for thermometry: A survey of combustion applications journal August 2011
On surface temperature measurements with thermographic phosphors: A review journal February 2013
Probing the 3d Spin Momentum with X-ray Emission Spectroscopy:  The Case of Molecular-Spin Transitions journal June 2006
Surface thermometry by laser‐induced fluorescence journal December 1989
Inorganic scintillators in medical imaging journal April 2002
Pressure induced magnetic transition in siderite FeCO 3 studied by x-ray emission spectroscopy journal August 2007
Scintillation detectors for x-rays journal February 2006
Gas compositional and pressure effects on thermographic phosphor thermometry journal January 2007
Investigations of blue emitting phosphors for thermometry journal October 2008
2D surface thermal imaging using rise-time analysis from laser-induced luminescence phosphor thermometry journal January 2009
Rise time-based phosphor thermometry using Mg 4 FGeO 6 :Mn 4+ journal January 2020
Visible emission spectra of thermographic phosphors under x-ray excitation journal June 2021
Temperature- and pressure-induced spin-state transitions in LaCoO 3 journal January 2006
Temperature- and pressure-driven spin-state transitions in LaCoO 3 journal February 2007
Inelastic x-ray scattering by electronic excitations under high pressure journal March 2010
Solids, liquids, and gases under high pressure journal March 2018
Wall Temperature Measurements in Gas Turbine Combustors With Thermographic Phosphors journal December 2018
LED-induced fluorescence diagnostics for turbine and combustion engine thermometry
  • Allison, Stephen W.; Beshears, David L.; Cates, Michael R.
  • International Symposium on Optical Science and Technology, SPIE Proceedings https://doi.org/10.1117/12.449386
conference November 2001
Core Level Spectroscopy of Solids book January 2008
Thermographic phosphor thermometry for film cooling studies in gas turbine combustors journal January 2003
Dynamic imaging of the temperature field within an energetic composite using phosphor thermography journal January 2019
Simultaneous temperature, mixture fraction and velocity imaging in turbulent flows using thermographic phosphor tracer particles journal January 2012
Gas phase thermometry of hot turbulent jets using laser induced phosphorescence journal January 2013
High-precision flow temperature imaging using ZnO thermographic phosphor tracer particles journal January 2015
High-temperature phosphor thermometry of rotating turbine blades journal August 1990
Thermographic Phosphors for High Temperature Measurements: Principles, Current State of the Art and Recent Applications journal September 2008
Laser-Induced Phosphorescence Thermography of Combustion Chamber Wall of Diesel Engine journal April 2008
A Comparison of Combustion and Emissions Behaviour in Optical and Metal Single-Cylinder Diesel Engines journal June 2009

Similar Records

Visible emission spectra of thermographic phosphors under x-ray excitation
Journal Article · Tue Jun 01 00:00:00 EDT 2021 · Measurement Science and Technology · OSTI ID:1781545