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Related Concept Videos

IR Spectrometers01:25

IR Spectrometers

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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...
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Atomic Spectroscopy: Effects of Temperature01:27

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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.
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Temperature Measurement Sites01:14

Temperature Measurement Sites

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A thermometer measures body temperature. The common sites for measuring body temperature are the oral cavity, axillary region, temporal artery, and skin surface, such as the forehead, abdomen, and axilla. True core body temperature is assessed in the rectum, tympanic membrane, pulmonary artery, esophagus, and urinary bladder.
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Equipments Used to Measure Body Temperature01:13

Equipments Used to Measure Body Temperature

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Body temperature can be assessed using various devices and measured in Celsius or Fahrenheit.
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Attenuated Total Reflectance (ATR) Infrared Spectroscopy: Overview01:13

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Attenuated total reflectance (ATR) infrared spectroscopy is a powerful analytical technique used to study the composition of materials. It is widely employed in chemistry, materials science, forensic science, and other fields where sample characterization is required. ATR has several advantages over traditional transmission IR spectroscopy, including the requirement of little to no sample preparation and the ability to analyze a wide range of samples.
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Related Experiment Video

Updated: Mar 20, 2026

High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings
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[Precise Temperature Measurement with Imaged Spectral Technique].

Yao Li, Chang-jian Dai

    Guang Pu Xue Yu Guang Pu Fen Xi = Guang Pu
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    Summary
    This summary is machine-generated.

    This study introduces a novel non-contact temperature measurement technique using gray-body radiation. The method precisely determines real-time temperatures of thermal sources by analyzing spectral fingerprints with high accuracy.

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    Area of Science:

    • Physics
    • Spectroscopy
    • Thermodynamics

    Context:

    • Accurate temperature measurement is crucial in various industrial and scientific applications.
    • Non-contact methods are preferred for hazardous or inaccessible environments.
    • Existing techniques may lack precision or real-time capabilities.

    Purpose:

    • To develop a novel, high-precision, non-contact temperature measurement method.
    • To establish a gray-body radiation model for accurate thermal source analysis.
    • To validate the technique on diverse radiation sources.

    Summary:

    • A wide-band emission spectrum is measured using a multi-channel CCD image spectrometer to create spectral fingerprints.
    • A gray-body radiation model is established and its coefficients are determined by fitting the measured spectrum.
    • Spectroscopic techniques combined with the gray-body model enable real-time, high-precision, non-contact temperature measurement.

    Impact:

    • Provides a versatile tool for real-time temperature monitoring in various settings.
    • Enhances safety and efficiency in applications requiring precise thermal analysis.
    • Advances non-contact thermometry with improved accuracy and reliability.