- x ray refractive index
- x 射线反射率, x 射线折射指数
English-Chinese geology dictionary (英汉地质大词典). 2013.
English-Chinese geology dictionary (英汉地质大词典). 2013.
Refractive index — Refractive Re*fract ive (r?*fr?kt ?v), a. [Cf. F. r[ e]fractif. See {Refract}.] Serving or having power to refract, or turn from a direct course; pertaining to refraction; as, refractive surfaces; refractive powers. [1913 Webster] {Refractive… … The Collaborative International Dictionary of English
Refractive index — Refraction of light at the interface between two media. In optics the refractive index or index of refraction of a substance or medium is a measure of the speed of light in that medium. It is expressed as a ratio of the speed of light in vacuum… … Wikipedia
refractive index — Optics. See index of refraction. [1830 40] * * * ▪ physics also called Index Of Refraction, measure of the bending of a ray of light when passing from one medium into another. If i is the angle of incidence of a ray in vacuum (angle… … Universalium
Absolute refractive index — Refractive Re*fract ive (r?*fr?kt ?v), a. [Cf. F. r[ e]fractif. See {Refract}.] Serving or having power to refract, or turn from a direct course; pertaining to refraction; as, refractive surfaces; refractive powers. [1913 Webster] {Refractive… … The Collaborative International Dictionary of English
Relative refractive index — Refractive Re*fract ive (r?*fr?kt ?v), a. [Cf. F. r[ e]fractif. See {Refract}.] Serving or having power to refract, or turn from a direct course; pertaining to refraction; as, refractive surfaces; refractive powers. [1913 Webster] {Refractive… … The Collaborative International Dictionary of English
refractive index — (N) The change in direction (apparent bending) of a light ray passing from one medium to another of different density, as from air to water or glass. The ratio of the sine of the angle of incidence to the sine of the angle of refraction is the … Forensic science glossary
Ray transfer matrix analysis — (also known as ABCD matrix analysis) is a type of ray tracing technique used in the design of some optical systems, particularly lasers. It involves the construction of a ray transfer matrix which describes the optical system; tracing of a light… … Wikipedia
Refractive — Re*fract ive (r?*fr?kt ?v), a. [Cf. F. r[ e]fractif. See {Refract}.] Serving or having power to refract, or turn from a direct course; pertaining to refraction; as, refractive surfaces; refractive powers. [1913 Webster] {Refractive index}. (Opt.) … The Collaborative International Dictionary of English
Ray (optics) — Ray of light redirects here. For other uses, see Ray of light (disambiguation). In optics, a ray is an idealized narrow beam of light. Rays are used to model the propagation of light through an optical system, by dividing the real light field up… … Wikipedia
Ray tracing (physics) — In physics, ray tracing is a method for calculating the path of waves or particles through a system with regions of varying propagation velocity, absorption characteristics, and reflecting surfaces. Under these circumstances, wavefronts may bend … Wikipedia
Index of optics articles — Optics is the branch of physics which involves the behavior and properties of light, including its interactions with matter and the construction of instruments that use or detect it.[1] Optics usually describes the behavior of visible,… … Wikipedia