light-transmission optics
71Near infrared spectroscopy — (NIRS) is a spectroscopic method utilising the near infrared region of the electromagnetic spectrum (from about 800 nm to 2500 nm). Typical applications include pharmaceutical, medical diagnostics (including blood sugar and oximetry), food and… …
72Graduated neutral density filter — A graduated neutral density filter, also known as a graduated ND filter, split neutral density filter, or just a graduated filter, is an optical filter that has a variable light transmission. Typically half of the filter is of neutral density… …
73Polariseur — …
74Polariseurs — Polariseur …
75luminous flux — noun the rate of flow of light energy • Hypernyms: ↑radiant flux * * * noun : radiant flux in the visible wavelength range usually expressed in lumens instead of watts called also light flux * * * Optics. the rate of transmission of luminous… …
76Meade ETX telescope — A 105mm diameter Meade ETX The ETX (Everybody s Telescope) is a line of telescopes made by Meade Instruments. Contents 1 Origins …
77Madison Symmetric Torus — Infobox Magnetic Fusion Device name = Madison Symmetric Torus dev type=Reversed field pinch loc=Madison, Wisconsin, USA rad maj = 1.50 m rad min = 52 cm aspect = 2.88|The Madison Symmetric Torus (MST) is a reversed field pinch (RFP) physics… …
78eyeglasses — Lenses set in frames to wear in front of the eyes to aid vision or correct vision defects (see ophthalmology, optometry). Their use for farsightedness and nearsightedness has been known since the late Middle Ages. In 1784 Benjamin Franklin… …
79fiberoptics — fiber optics n. (used with sing. verb) 1. The science or technology of light transmission through very fine, flexible glass or plastic fibers. 2. A bundle of optical fibers. fi ber opʹtic or fi ber·opʹtic (fī bər ŏpʹtĭk) adj. * * * …
80Tao, Terrence — ▪ Australian mathematician born July 17, 1975, Adelaide, Austl. Australian mathematician awarded a Fields Medal in 2006 “for his contributions to partial differential equations, combinatorics, harmonic analysis and additive number theory.”… …
