beam intensity

См. также в других словарях:

• cathode-ray beam intensity modulation — elektronų pluošto intensyvumo moduliavimas statusas T sritis radioelektronika atitikmenys: angl. cathode ray beam intensity modulation vok. Intesitätsmodulation eines Katodenstrahls, f rus. модуляция интенсивности электронного пучка, f pranc.… …   Radioelektronikos terminų žodynas

• Beam propagation method — (BPM) refers to a computational technique in Electromagnetics, usedto solve the Helmholtz equation under conditions of a time harmonic wave. BPM works under slowly varying envelope approximation, for linear and nonlinear equations.The beam… …   Wikipedia

• Beam diameter — The beam diameter or beam width of an electromagnetic beam is the diameter along any specified line that is perpendicular to the beam axis and intersects it. Since beams typically do not have sharp edges, the diameter can be obtained in many… …   Wikipedia

• Intensity — VP A term referring to the quantity of light. FilmM a term that simply refers to the quantity of light. Light intensity can be controlled by a number of ways, including moving the light closer or farther away, or spotting or flooding the light… …   Audio and video glossary

• beam width — The angle between the directions, on either side of the axis, at which the intensity of the radio frequency field drops to one half the value it has on the axis …   Military dictionary

• Laser beam profiler — A laser beam profiler captures, displays, and records the spatial intensity profile of a laser beam at a particular plane transverse to the beam propagation path. Since there are many types of lasers ultraviolet, visible, infrared, continuous… …   Wikipedia

• High-intensity focused ultrasound — Contents 1 Theory 2 Aiming 3 How HIFU works 4 Method of use …   Wikipedia

• Gaussian beam — In optics, a Gaussian beam is a beam of electromagnetic radiation whose transverse electric field and intensity (irradiance) distributions are well approximated by Gaussian functions. Many lasers emit beams that approximate a Gaussian profile, in …   Wikipedia

• External beam radiotherapy — otherwise known as teletherapy, is the most frequently used form of radiotherapy. The patient sits or lies on a couch and an external source of radiation is pointed at a particular part of the body. Kilovoltage (also known as Superficial or Deep) …   Wikipedia

• High intensity focused ultrasound — HIFU (high intensity focused ultrasound) (sometimes FUS or HIFUS) is a highly precise medical procedure using high intensity focused ultrasound to heat and destroy pathogenic tissue rapidly. It is one modality of therapeutic ultrasound, and… …   Wikipedia

• Convolution for optical broad-beam responses in scattering media — Photon transport theories, such as the Monte Carlo method, are commonly used to model light propagation in tissue. The responses to a pencil beam incident on a scattering medium are referred to as Green’s functions or impulse responses. Photon… …   Wikipedia