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GENERATION OF C.W. STIMULATED SUB-MILLIMETRE WAVES

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H. A. GEBBIE, N. W. B. STONE, J. E. CHAMBERLAIN, W. SLOUGH, W. A. SHERATON · 1967

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1967 research successfully generated 50 milliwatts of sub-millimeter wave radiation, demonstrating early high-power EMF generation capabilities.

Plain English Summary

Summary written for general audiences

This 1967 technical study demonstrated the generation of continuous wave sub-millimeter radiation at 337 micrometers using a cyanide gas maser system. Researchers achieved approximately 50 milliwatts of usable power output from their experimental apparatus. This represents early work in developing coherent electromagnetic radiation sources in the sub-millimeter frequency range.

Why This Matters

While this 1967 study focuses on technical development rather than biological effects, it represents an important milestone in our ability to generate coherent electromagnetic radiation in the sub-millimeter range. The science demonstrates that even decades ago, researchers were developing increasingly sophisticated methods to produce specific frequencies of EMF radiation with substantial power outputs. What this means for you is understanding that the technological capability to generate precise, high-power electromagnetic fields has existed for over 50 years, yet comprehensive safety testing often lags behind technological development. The 50 milliwatt power output achieved in this study is comparable to modern wireless devices, highlighting how EMF exposure levels we encounter today were being generated in laboratory settings decades before widespread consumer adoption.

Exposure Information

Specific exposure levels were not quantified in this study.

Cite This Study
H. A. GEBBIE, N. W. B. STONE, J. E. CHAMBERLAIN, W. SLOUGH, W. A. SHERATON (1967). GENERATION OF C.W. STIMULATED SUB-MILLIMETRE WAVES.
Show BibTeX
@article{generation_of_c_w_stimulated_sub_millimetre_waves_g7134,
  author = {H. A. GEBBIE and N. W. B. STONE and J. E. CHAMBERLAIN and W. SLOUGH and W. A. SHERATON},
  title = {GENERATION OF C.W. STIMULATED SUB-MILLIMETRE WAVES},
  year = {1967},
  
  
}

Quick Questions About This Study

Sub-millimeter radiation at 337 micrometers falls between infrared and microwave frequencies on the electromagnetic spectrum. This wavelength corresponds to approximately 890 gigahertz frequency, placing it in the far-infrared range used in some medical and scientific applications.
The continuous wave maser system produced approximately 50 milliwatts of usable power output. This power level is comparable to many modern wireless devices, including some cell phones and WiFi routers during transmission.
A maser (microwave amplification by stimulated emission of radiation) using cyanide gas as the active medium to generate coherent electromagnetic radiation. The researchers used a continuous direct current discharge through the gas to achieve amplification at the specific 337 micrometer wavelength.
Previous maser systems operated in pulsed mode only. Achieving continuous wave operation represented a major technical advancement, allowing for steady, uninterrupted electromagnetic radiation output rather than intermittent bursts, making the technology more practical for applications.
This early research established fundamental principles for generating coherent electromagnetic radiation that evolved into many modern EMF sources. The power levels and frequency control demonstrated in 1967 helped pave the way for today's wireless communication technologies.