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Model 1000A Fluoroptic Thermometer

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K. A. Wickersheim, R. B. Alves · 1982

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Scientists developed EMF-resistant thermometers because electromagnetic fields interfere with sensitive electronic equipment.

Plain English Summary

Summary written for general audiences

This 1982 technical document describes a new fiber optic thermometer that can accurately measure temperature to within 0.1°C even in the presence of radiofrequency, microwave, or other electromagnetic fields. The fluoroptic technology uses rare earth phosphors and spectral line intensity ratios to maintain precision where traditional thermometers would be disrupted by EMF interference.

Why This Matters

While this isn't a health study per se, this 1982 technical advancement reveals something important about electromagnetic fields that researchers have long understood: EMF can interfere with sensitive electronic equipment, including measurement devices. The fact that scientists needed to develop specialized thermometers that could function accurately in EMF environments tells us that these fields create measurable interference effects on electronic systems.

This technical reality becomes significant when we consider that the human body operates through bioelectrical processes that are far more delicate than most electronic devices. If EMF can disrupt precision thermometers enough that scientists needed to engineer interference-resistant alternatives, it raises important questions about what these same fields might be doing to our body's intricate electrical systems. The science demonstrates that EMF interference is real and measurable, not theoretical.

Exposure Information

Specific exposure levels were not quantified in this study.

Cite This Study
K. A. Wickersheim, R. B. Alves (1982). Model 1000A Fluoroptic Thermometer.
Show BibTeX
@article{model_1000a_fluoroptic_thermometer_g7039,
  author = {K. A. Wickersheim and R. B. Alves},
  title = {Model 1000A Fluoroptic Thermometer},
  year = {1982},
  
  
}

Quick Questions About This Study

EMF can disrupt the electronic components and sensors in conventional thermometers, causing inaccurate temperature readings. This interference occurs because electromagnetic fields can induce electrical currents in sensitive measurement circuits, affecting their precision and reliability.
Fluoroptic thermometers use fiber optic technology and rare earth phosphors that emit light at specific wavelengths based on temperature. Since they rely on optical signals rather than electrical circuits, they remain unaffected by electromagnetic field interference.
These specialized thermometers maintain 0.1°C precision even when operating in the presence of radiofrequency, microwave, or other electromagnetic fields. This level of accuracy matches or exceeds many conventional thermometers operating in EMF-free conditions.
The document specifically mentions radiofrequency and microwave fields as sources requiring fluoroptic thermometry. These would include research environments with RF transmitters, microwave equipment, and other electromagnetic field generators used in scientific or industrial applications.
This technology was documented in 1982, showing that scientists recognized EMF interference problems with measurement equipment over 40 years ago. The development demonstrates that electromagnetic field interference has been a known technical challenge for decades.