CO2 Laser For The Removal Of Extraaxial Neoplasms

Leonard J. Cerullo

doi:10.1117/12.976080

28 December 1982 CO₂ Laser For The Removal Of Extraaxial Neoplasms

Leonard J. Cerullo

Proceedings Volume 0357, Lasers in Medicine and Surgery; (1982) https://doi.org/10.1117/12.976080
Event: 26th Annual Technical Symposium, 1982, San Diego, United States

Abstract

Light Amplification by the Stimulated Emission of Radiation results in a release of electromagnetic energy which is unique in that the light energy thus generated is of a single wave length (monochromatic), and the waves are in synchrony in space and time (coherent). The energy is not dampened by dispersion or interference of conflicting electromagnectic fields. Each substance which can be made to laser (laser medium) emits light energy of a wave length specific to itself. In the spectrum of electromagnetic waves, visible light occupies a narrow band. Light in the far infrared spectrum, produced by the carbon dioxide laser, is invisible and is not absorbed by pigmented materials. It can be focused to a fine point with a selenium-germanium lens. On impact with solid or liquid matter, light energy is converted to heat energy. In living tissue, this results in an instantaneous elevation of intracellular water temperture to the boiling point and explosion of the cell to a cloud of smoke. The speed of the process protects adjacent cells by the leidenfrostche or water jacket effect, which insulates the area of intense heat from its surroundings.

Citation Download Citation

Leonard J. Cerullo "CO₂ Laser For The Removal Of Extraaxial Neoplasms", Proc. SPIE 0357, Lasers in Medicine and Surgery, (28 December 1982); https://doi.org/10.1117/12.976080

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