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electromagnetic spectrum
(redirected from IR spectrum)

    Also found in: Medical, Wikipedia, Hutchinson 0.04 sec.

electromagnetic spectrum

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The spectrum of electromagnetic waves ranges from low-frequency radio waves to high-frequency gamma …
(credit: © Merriam-Webster Inc.)
Total range of frequencies or wavelengths of electromagnetic radiation. The spectrum ranges from waves of long wavelength (low frequency) to those of short wavelength (high frequency); it comprises, in order of increasing frequency (or decreasing wavelength): very-low-frequency to ultrahigh-frequency radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays. In a vacuum, all waves of the electromagnetic spectrum travel at the same speed: 299,792,458 m/sec (186,282 mi/sec).

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It can monitor blend composition, cure level, layer thickness, tensile strength, and any other property that correlates with a material's IR spectrum.
Non-contact IR analysis simplifies on-line quality control by Sherman, Lilli Manolis / Plastics Technology
Sage also is developing an entirely new set of night-vision equipment based on the short wave IR spectrum.
How small business can speed technology development by Perlman, Ron / National Defense
The resulting pattern, called an IR Spectrum, identifies the chemical constituents of each slice, and thus of the painting at different depths.
Saving history through science by Amato, Ivan / Science News
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