electromagnetic spectrum

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Related to Light spectrum: Visible light spectrum

e·lec·tro·mag·net·ic ra·di·a·tion

, electromagnetic spectrum (ĕ-lek'trō-mag-net'ik rā'dē-ā'shŭn, spek'trŭm)
Wavelike energy propagated through matter or space; varies widely in wavelength, frequency, photon energy, and properties; may be natural or artificial and includes radiowaves, microwaves, heat waves, visible light, ultraviolet light, x-rays, gamma rays, and cosmic radiation.

electromagnetic spectrum

The continuum of radiation, varying in frequency, and, correspondingly, wavelength, that includes, in order of decreasing frequency, cosmic ray photons, gamma rays, X rays, ultraviolet radiation, visible light, infrared radiation, microwaves, radio waves and heat.
Electromagnetic spectrumclick for a larger image
Fig. 142 Electromagnetic spectrum . The wavelength ranges of the electromagnetic spectrum.

electromagnetic spectrum

the entire range of wavelengths of electromagnetic radiation, most of which are not detectable by the human eye except in the visible spectrum from about 400–700 nm wavelength. Wavelengths shorter than the visible spectrum contain large quantities of energy which can be harmful to living material. See Fig. 141 . See X-RAY, GAMMA RADIATION, ULTRAVIOLET LIGHT.

e·lec·tro·mag·net·ic ra·di·a·tion

, electromagnetic spectrum (ĕ-lek'trō-mag-net'ik rā'dē-ā'shŭn, spek'trŭm)
Wavelike energy propagated through matter or space; varies widely in wavelength, frequency, photon energy, and properties; may be natural or artificial and includes x-rays, gamma rays, and other forms.
References in periodicals archive ?
Loctite Visible Light Cure technology is an innovation that relies solely upon the visible light spectrum to deliver a safe, efficient, immediate cure for a broad array of medical device assembly applications.
LED's give a distinctly bluish light instead of the entire white light spectrum of the xenon bulb.
The new inspection system offers resolution better than 1mm, with the ability to inspect product in four application specific wavelengths, ranging from ultraviolet, through the visible light spectrum, to infrared.
Yet the quasar's light spectrum indicates that it is several billion light years away, near the edge of the universe.
However, there was no significant difference between the scattering coefficients throughout the visible light spectrum (p = 0.8843).
The combination of the two gives you a more balanced light spectrum, which is healthier.
The technology on which they depend is blue, but mixing blue from the ultraviolet end of the light spectrum with red and green enables engineers to produce white.
Color is one of the most important identifying characteristics of minerals--virtually all possible colors of the visible light spectrum occur.
It is coated on both sides using Optimum[TM] technology, which maximizes the transmission of acrylic substrates over the visible light spectrum. Combined with an abrasion resistant finish and hard-coated surface, it is suitable for museum, private and corporate collections, according to company officials.
Using a special computer mouse, the unit displays a visual image of the document for reliable forensic analysis while it performs tests using most of the visible and invisible light spectrum. The system can verify surface integrity including holograms, OVI inks, cancellation attempts, microsurgery, watermarking, threads, fibers, and other technologies on currency, banknotes, checks, passports, permits, and other documents.
The microscopic lesions were clearly associated with pain, and identification and treatment of the lesions will be improved using the blue light spectrum, he told this newspaper.