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

UV–Vis Spectrometers

UV–Vis Spectrometers

The absorbance of UV and visible (UV–visible) radiations is measured using a UV–visible spectrophotometer. Deuterium lamps, which emit UV radiation, and tungsten lamps, which produce radiation in the visible region, are used as light sources in UV–visible spectrophotometers. A monochromator or prism is used for diffraction grating, i.e., to split the incoming radiation into different wavelengths. A system of slits is used to focus the desired wavelength on the sample cell.

Atomic Spectroscopy: Effects of Temperature

Atomic Spectroscopy: Effects of Temperature

Atomization, converting samples into gas-phase atoms and ions, is essential for atomic spectroscopy. The flame temperature required for atomization affects the efficiency of the atomic spectroscopic methods by increasing the atomization efficiency and the relative population of the excited and ground states.
At thermal equilibrium, the relative populations of excited and ground state atoms can be estimated using the Maxwell–Boltzmann distribution. For example, an increase in temperature...

IR Spectrometers

IR Spectrometers

There are two main infrared (IR) spectrophotometers: dispersive IR spectrometers and Fourier transform infrared (FTIR) spectrometers. In a dispersive IR spectrometer, a beam of infrared radiation produced by a hot wire is divided into two parallel equal-intensity beams using mirrors. One beam passes through the sample, while another is a reference beam. The beams then move through the monochromator, which separates the radiations into a continuous spectrum of different frequencies. The...

Spectrophotometry: Introduction

Spectrophotometry: Introduction

Spectrophotometry is the quantitative measurement of the absorption, reflection, diffraction, or transmission of electromagnetic radiation through a material as a function of the intensity and wavelength of the radiation. A spectrophotometer is a device used to measure the change in the radiation intensity caused by its interaction with the material.
The essential components of a spectrophotometer include a source of electromagnetic radiation, a slot for placing a material to be analyzed, and a...

Atomic Emission Spectroscopy: Instrumentation

Atomic Emission Spectroscopy: Instrumentation

The instrumentation of atomic emission spectrometry (AES) involves various components, including atomization devices that convert samples into gas-phase atoms and ions. There are two main types of atomization devices: continuous and discrete atomizers. Continuous atomizers, like plasmas and flames, introduce samples in a constant stream, while discrete atomizers inject individual samples using syringes or autosamplers. The most common discrete atomizer is the electrothermal atomizer.

Atomic Absorption Spectroscopy: Lab

Atomic Absorption Spectroscopy: Lab

For AAS measurements, samples must be introduced as clear solutions, often requiring extensive preliminary treatment to dissolve materials like soils, animal tissues, and minerals. Common methods for sample preparation include treatment with hot mineral acids, wet ashing, combustion in closed containers, high-temperature ashing, or fusion with reagents.
Solutions containing organic solvents, such as low-molecular-mass alcohols, esters, or ketones, enhance absorbances by increasing...

You might also read

Related Articles

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

Sort by

Same author

Research on the scheme of a CNN-based differential modulation and detection in optical wireless communication with atmospheric turbulence.

Optics express·2026

Same author

Adding <sup>161</sup>Dy-Mössbauer spectroscopy to a multitechnique investigation of magnetic transitions in a {Co<sup>III</sup><sub>3</sub>Dy<sup>III</sup><sub>3</sub>} Single-Molecule Toroic.

Nature communications·2026

Same author

Enhanced Stability of Halide Perovskite by Strengthening Hydrogen Bonds.

JACS Au·2026

Same author

Reframing Professionalism Around Trustworthiness: A Practical Approach to Professionalism Curriculum Development.

Academic medicine : journal of the Association of American Medical Colleges·2026

Same author

Pressure-Induced 18 K Superconductivity and Two Superconducting Phases in CuIr_{2}S_{4}.

Physical review letters·2026

Same author

Metallic θ-phase tantalum nitride has a thermal conductivity triple that of copper.

Science (New York, N.Y.)·2026

Search research articles

Related Experiment Video

Updated: Apr 18, 2026

Quantitative Detection of Trace Explosive Vapors by Programmed Temperature Desorption Gas Chromatography-Electron Capture Detector

Quantitative Detection of Trace Explosive Vapors by Programmed Temperature Desorption Gas Chromatography-Electron Capture Detector

Published on: July 25, 2014

Fast temperature spectrometer for samples under extreme conditions.

Dongzhou Zhang¹, Jennifer M Jackson¹, Jiyong Zhao²

¹Seismological Laboratory, California Institute of Technology, Pasadena, California 91125, USA.

The Review of Scientific Instruments

|February 2, 2015

Summary

This summary is machine-generated.

We developed a Fast Temperature Readout (FasTeR) spectrometer to accurately measure transient temperature fluctuations, improving melting temperature determination. This high-speed instrument is ideal for ultra-fast techniques under extreme conditions.

More Related Videos

A Simple Dewar/Cryostat for Thermally Equilibrating Samples at Known Temperatures for Accurate Cryogenic Luminescence Measurements

A Simple Dewar/Cryostat for Thermally Equilibrating Samples at Known Temperatures for Accurate Cryogenic Luminescence Measurements

Published on: July 19, 2016

Angle-resolved Photoemission Spectroscopy At Ultra-low Temperatures

Angle-resolved Photoemission Spectroscopy At Ultra-low Temperatures

Published on: October 9, 2012

Related Experiment Videos

Last Updated: Apr 18, 2026

Quantitative Detection of Trace Explosive Vapors by Programmed Temperature Desorption Gas Chromatography-Electron Capture Detector

Quantitative Detection of Trace Explosive Vapors by Programmed Temperature Desorption Gas Chromatography-Electron Capture Detector

Published on: July 25, 2014

A Simple Dewar/Cryostat for Thermally Equilibrating Samples at Known Temperatures for Accurate Cryogenic Luminescence Measurements

A Simple Dewar/Cryostat for Thermally Equilibrating Samples at Known Temperatures for Accurate Cryogenic Luminescence Measurements

Published on: July 19, 2016

Angle-resolved Photoemission Spectroscopy At Ultra-low Temperatures

Angle-resolved Photoemission Spectroscopy At Ultra-low Temperatures

Published on: October 9, 2012

Area of Science:

High-pressure physics
Spectroscopy
Materials science

Background:

Accurate measurement of melting temperatures is crucial for understanding material behavior under extreme conditions.
Traditional methods often struggle with transient temperature fluctuations, leading to uncertainties.

Purpose of the Study:

To develop and validate a novel multi-wavelength spectrometer, FasTeR, for capturing rapid temperature changes.
To reduce uncertainties in melting temperature determination using ultra-fast techniques.

Main Methods:

Developed a multi-wavelength Fast Temperature Readout (FasTeR) spectrometer using photomultiplier tubes and dichroic filters.
Validated FasTeR against a charge-coupled device spectrometer for temperature measurements.
Applied FasTeR in conjunction with laser-heated diamond-anvil cell, synchrotron Mössbauer spectroscopy, and X-ray diffraction.

Main Results:

FasTeR demonstrates a fast readout rate (~100 Hz), high sensitivity, large dynamic range, and good focus.
Temperatures measured by FasTeR agree well with the charge-coupled device spectrometer outside the melting vicinity.
FasTeR successfully captured transient temperature fluctuations of at least 300 K/s near melting.

Conclusions:

The FasTeR spectrometer accurately measures transient temperature fluctuations, significantly reducing uncertainties in melting temperature determination.
FasTeR is suitable for ultra-fast temperature measurements under extreme conditions, particularly when coupled with high-pressure techniques.
The developed SIMFaster software aids in simulating and optimizing FasTeR design configurations.