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RadiationRadiation generally means the transmission of objects or information from a source into a surrounding medium or destination. Within physics, related concepts are: Ionizing radiation is a stream of particles (photons or other particles) with sufficient ene Radiation therapyRadiation therapy (or radiotherapy is the medical use of ionizing radiation as part of cancer treatment to control malignant cells (not to be confused with radiology, the use of radiation in medical imaging and diagnosis). Although radiotherapy is often u Radiation Laboratory at the Massachusetts Institute of TechnologyThe Radiation Laboratory or often RadLab at Massachusetts Institute of Technology was in operation from October 1940 until December 31, 1945. The Radiation Laboratory was one division of the National Defense Research Committee, a commission established by Radiation angleRadiation angle In fiber optics, half the vertex angle of the cone of light emitted at the exit face of an optical fiber. The cone boundary is usually defined (a) by the angle at which the far-field irradiance has decreased to a specified fraction of its Radiation modeFor an optical fiber, Radiation mode or unbound mode is an unbound mode. In an optical fiber, a radiation mode is one having fields that are transversely oscillatory everywhere external to the waveguide, and which exists even at the limit of zero waveleng Radiation patternIn telecommunication, the term radiation pattern has the following meanings: 1. The variation of the field intensity of an antenna as an angular function with respect to the axis. Note A radiation pattern is usually represented graphically for the far-fie Radiation scattering Radiation pressure Radiation poisoning Radiation oncologist Radiation therapist Radiation protection Radiation resistance Radiation of sound Radiation budget