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Related Concept Videos

Temperature Measurement Sites01:14

Temperature Measurement Sites

2.7K
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.
Oral: When assessing oral temperature, the thermometer tip should be placed under the tongue in the posterior sublingual pocket. It offers accurate readings and can be...
2.7K
Equipments Used to Measure Body Temperature01:13

Equipments Used to Measure Body Temperature

1.5K
Body temperature can be assessed using various devices and measured in Celsius or Fahrenheit.
Glass-bulb Thermometer:
Glass-bulb thermometers are hollow glass tubes with a bulb tip containing liquid such as ethanol or mercury. Historically, glass bulb mercury thermometers were the standard device to measure body temperature. Today, mercury thermometers are prohibited in many countries due to the hazardous effects of mercury and the risk of exposure if the glass bulb breaks. In general,...
1.5K

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Related Experiment Video

Updated: Dec 2, 2025

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
09:03

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

Published on: January 7, 2019

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High resolution, fast response fiber-optic temperature sensor with reduced end conduction effect.

Qiwen Sheng, Bo Li, Nezam Uddin

    Optics Letters
    |November 2, 2020
    PubMed
    Summary
    This summary is machine-generated.

    This study presents a novel fiber-optic silicon Fabry-Perot temperature sensor. The new design significantly enhances sensor speed and resolution by minimizing heat transfer effects.

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    Area of Science:

    • Optoelectronics
    • Materials Science
    • Sensor Technology

    Background:

    • Fiber-optic sensors are crucial for remote temperature monitoring.
    • Traditional silicon Fabry-Perot sensors face limitations in speed due to end conduction effects.
    • Optimizing thermal equilibrium is key to improving sensor performance.

    Purpose of the Study:

    • To develop a high-speed fiber-optic silicon Fabry-Perot temperature sensor.
    • To mitigate the impact of end conduction effects on sensor response time.
    • To enhance the resolution of optical temperature sensing.

    Main Methods:

    • A novel sensor configuration connecting the narrow edge of a silicon plate to a fiber-tip microtube.
    • Minimizing the heat transfer path between the silicon sensing element and the fiber stub.
    • Utilizing the increased cavity length for improved measurement precision.

    Main Results:

    • Reduced characteristic response time from 83 ms to 13 ms in still air.
    • Improved sensor resolution by a factor of 12, from 0.15 K to 0.012 K.
    • Demonstrated significant enhancement in sensor speed and accuracy.

    Conclusions:

    • The novel sensor design effectively overcomes the limitations of traditional configurations.
    • This advancement offers a promising solution for high-speed, high-resolution optical temperature sensing.
    • The minimized heat transfer path is critical for rapid thermal response.