visible radiation


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Related to visible radiation: ultraviolet radiation, infrared radiation

visible radiation

[′viz·ə·bəl ‚rād·ē′ā·shən]
(optics)
References in periodicals archive ?
This materials testing services provider has acquired a Xenon Arc Weather-Ometer, giving it a total of three Xenon arc testers for UV and visible radiation resistance testing.
The text book's 17 chapters include the usual topics of background biophysics and physiology, electrical stimulation (currents and parameters), effects of electrical stimulation, motor electrical stimulation, sensory stimulation and other uses, risk management, biofeedback, ultrasound, heat and cold, therapeutic conduction heating, cold therapy, electromagnetic fields: shortwave, electromagnetic radiation, microwave diathermy, infrared and visible radiation, ultraviolet radiation.
R Aquilae is quite cool (2,350 kelvins, or 3,770[degrees]F, at maximum brightness), so the further cooling at minimum shifts most of its visible radiation into the infrared.
Because the Herschel instruments record radiation mostly at far-infrared and sub-millimeter wavelengths at an unprecedented scale and sensitivity, it will be possible to detect and characterize many previously invisible objects that are obscured by clouds of gas and dust or that are so cold that they do not emit any visible radiation at all.