ShareTEMPERATURE MEASUREMENTS WITH MICROMETER SPATIAL RESOLUTION.
Author(s) : IZAGUIRRE F., CSANKY G., HAWKINS G. F.
Type of article: Article
Summary
A NOVEL TECHNIQUE HAS BEEN DEVELOPED TO MEASURE TEMPERATURES WITH A SPATIAL RESOLUTION LESS THAN 10 MICROMETERS. THIS METHOD USES THE TEMPERATURE-SENSITIVE TIME DECAY FLUORESCENCE OF A PHOSPHOR AS A SURFACE SENSOR. THE SPATIAL RESOLUTION IS OBTAINED BY USING AN ELECTRON BEAM TO EXCITE INDIVIDUAL PHOSPHOR GRAINS DEPOSITED ON THE SURFACE OF INTEREST. THE PHOSPHOR SELECTED IS THE INORGANIC COMPOUND MAGNESIUM FLUOROGERMANATE ACTIVATED WITH MANGANESE. THE TIME DECAY CONSTANT OF ITS FLUORESCENCE DECREASES MONOTONICALLY WITH TEMPERATURE BETWEEN 73 AND 723 K (-200 AND 450 DEG C).
Details
- Original title: TEMPERATURE MEASUREMENTS WITH MICROMETER SPATIAL RESOLUTION.
- Record ID : 1992-1048
- Languages: English
- Source: Rev. sci. Instrum. - vol. 62 - n. 8
- Publication date: 1991/08
- Document available for consultation in the library of the IIR headquarters only.
Links
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Indexing
- Themes: Thermodynamic measurements
- Keywords: Thermometer; Measurement; Thermometry; Temperature
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