Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Photoluminescence: Applications

Photoluminescence: Applications

Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...

Fluorescence and Phosphorescence: Instrumentation

Fluorescence and Phosphorescence: Instrumentation

Fluorometers and spectrofluorometers are two types of instruments used for measuring molecular fluorescence. These instruments differ in how they select excitation and emission wavelengths and the type of light sources they utilize. Fluorometers use absorption interference filters to choose excitation and emission wavelengths. The excitation source in a fluorometer is typically a low-pressure mercury vapor lamp that emits intense lines distributed throughout the ultraviolet and visible regions.

Flame Photometry: Overview

Flame Photometry: Overview

Flame photometry, also known as flame emission spectrometry, is a technique used for the qualitative and quantitative analysis of elements present in a sample using a flame as the source of excitation energy. The concept of flame photometry was realized in the early 1860s by Kirchhoff and Bunsen, who discovered that specific elements emit characteristic radiation when excited in flames. The first instrument developed for this purpose was used to measure sodium (Na) in plant ash using a Bunsen...

Flame Photometry: Lab

Flame Photometry: Lab

In a flame photometer, when a solution like potassium chloride is aspirated into the flame, the solvent evaporates, leaving behind dehydrated salt. This salt dissociates into free gaseous atoms in their ground state. Some of these atoms absorb energy from the flame, leading to their excitation. The excited atoms return to the ground state, emitting photons at characteristic wavelengths. Because only electronic transitions are involved, the resulting emission lines are very narrow. The intensity...

Gas Chromatography: Types of Detectors-II

Gas Chromatography: Types of Detectors-II

In gas chromatography, different detectors are employed to meet specific analytical needs. These detectors are often categorized based on their detection mechanisms and the types of compounds they are best suited to analyze. Thermal Conductivity Detectors (TCD), Flame Ionization Detectors (FID), and Electron Capture Detectors (ECD) represent common categories, each with unique operating principles and applications. However, beyond these, several other detectors are designed for more specialized...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Ballistic Phonon Penetration Depth in Amorphous Silicon Dioxide.

Nano letters·2017

Same author

Tunable Mechanochemistry of Lithium Battery Electrodes.

ACS nano·2017

Same author

Thermal conductivity of individual silicon nanoribbons.

Nanoscale·2016

Same author

Thermal measurements using ultrasonic acoustical pyrometry.

Ultrasonics·2013

Same author

Probing and controlling photothermal heat generation in plasmonic nanostructures.

Nano letters·2013

Search research articles

Related Experiment Video

Updated: Jul 17, 2026

High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings

High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings

Published on: April 16, 2017

Transient measurements using thermographic phosphors.

D Greg Walker¹, Stephen W Allison

¹Department of Mechanical Engineering, Vanderbilt University, Nashville, TN 37235, USA. greg.walker@vanderbilt.edu

ISA Transactions

|January 24, 2007

Summary

A new model improves temperature measurement using thermographic phosphors by accounting for rapid heating. This transient model offers greater accuracy than steady-state methods in dynamic engineering applications.

More Related Videos

Phase-Dependent Control of Trap Depth and Persistent Luminescence in Strontium Aluminate Phosphors

Phase-Dependent Control of Trap Depth and Persistent Luminescence in Strontium Aluminate Phosphors

Published on: December 5, 2025

Related Experiment Videos

Last Updated: Jul 17, 2026

High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings

High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings

Published on: April 16, 2017

Phase-Dependent Control of Trap Depth and Persistent Luminescence in Strontium Aluminate Phosphors

Phase-Dependent Control of Trap Depth and Persistent Luminescence in Strontium Aluminate Phosphors

Published on: December 5, 2025

Area of Science:

Thermophysical Measurement
Materials Science
Engineering Applications

Background:

Thermographic phosphors are widely used for temperature measurement.
Current methods assume constant temperature during phosphor decay, limiting use in dynamic scenarios.
Rapid temperature changes can invalidate traditional phosphor-based measurements.

Purpose of the Study:

To present a novel data reduction model for thermographic phosphors.
To incorporate transient effects into phosphor temperature measurements.
To evaluate the efficacy of the new model in dynamic environments.

Main Methods:

Development of a new data reduction model for phosphor decay.
Implementation of a heated wire experiment to simulate transient conditions.
Comparison of results from the transient model against a traditional steady-state model.

Main Results:

The transient model can resolve temperature changes during rapid heating.
Accuracy of transient resolution was limited for the tested microsecond phosphor.
The steady-state model showed a significant temperature discrepancy (10°C) under high heating compared to the transient model.

Conclusions:

The developed transient model offers improved temperature measurement accuracy in dynamic engineering applications.
While resolution accuracy needs further enhancement, the transient model demonstrates superior performance over steady-state methods during rapid heating events.
This work highlights the importance of considering thermal transients in phosphor thermometry.