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Closing the Far-Infrared Gap

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Paul D. Coleman · 1969

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1969 laser breakthrough enabled precise far-infrared EMF generation, laying groundwork for future biological exposure studies.

Plain English Summary

Summary written for general audiences

This 1969 technical paper describes breakthrough laser technology that successfully created coherent light across the far-infrared spectrum, including surprising results with water producing 12 continuous-wave laser lines. The research filled important gaps in electromagnetic spectrum coverage from visible light down to submillimeter wavelengths.

Why This Matters

While this appears to be purely technical laser research from 1969, it represents an important milestone in our ability to generate and study electromagnetic radiation across broader frequency ranges. The development of coherent far-infrared sources like those described here became foundational for later EMF research, allowing scientists to precisely study how different frequencies interact with biological systems. The fact that common substances like water could produce multiple laser lines in this spectrum range hints at the complex ways electromagnetic fields interact with matter - including the water that makes up roughly 60% of our bodies. This type of precision instrumentation eventually enabled the controlled EMF exposure studies that form the backbone of today's health research.

Exposure Information

Specific exposure levels were not quantified in this study.

Cite This Study
Paul D. Coleman (1969). Closing the Far-Infrared Gap.
Show BibTeX
@article{closing_the_far_infrared_gap_g5932,
  author = {Paul D. Coleman},
  title = {Closing the Far-Infrared Gap},
  year = {1969},
  
  
}

Quick Questions About This Study

The molecular structure of water allowed it to generate 12 continuous-wave laser lines in the far-infrared spectrum when properly stimulated, demonstrating unexpected electromagnetic properties of this common substance that comprises most biological tissue.
Researchers developed molecular laser systems that produced coherent electromagnetic radiation across previously unavailable far-infrared frequencies, completing the spectrum from visible light down to submillimeter wavelengths for scientific applications.
Coherent far-infrared sources enabled precise electromagnetic field studies and measurements that were previously impossible, providing tools that later became essential for controlled biological exposure research and EMF health studies.
The paper mentions that various unlikely substances beyond water were successfully made to produce laser action in the far-infrared spectrum, though specific examples aren't detailed in the available abstract.
Submillimeter wavelength lasers provided researchers with precise, controllable electromagnetic field sources needed for systematic biological studies, enabling the controlled exposure experiments that form the foundation of modern EMF health research.