Infrared fiber optics for thermometry in microwave

A. Katzir, F. Bowman, Y. Asfour, A. Zur, C. R. Valery

Research output: Contribution to journalArticlepeer-review


Electromagnetic (microwave or radio frequency) field-induced heating is used in industrial, medical, and domestic applications. In most cases, efficient, rapid, and controllable heating is needed. A problem with this heating modality is the difficulty in gaining an accurate measurement of temperature in the presence of a strong electromagnetic field. A simple infrared fiber-radiometer system has been developed for thermometry in the presence of these strong electromagnetic fields. The radiometer was used to measure temperatures in the range 0-70°C, with an accuracy of ±0.5°C. The signal obtained varied almost linearly with temperature.

Original languageEnglish
Pages (from-to)1877-1879
Number of pages3
JournalApplied Physics Letters
Issue number19
StatePublished - 1988
Externally publishedYes


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