thick grating

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• thick — Synonyms and related words: Boeotian, a bit thick, a bit thin, absurd, abundant, accented, adhesive, alive, alive with, alveolar, ample, amylaceous, apical, apico alveolar, apico dental, articulated, asinine, assimilated, back, barytone, beamy,… …   Moby Thesaurus

• thick — adj 1. broad, wide, beamy; large, big, ample, bulky, solid. 2. close packed, close, dense, gross, heavy, crowded, serried; impenetrable, impermeable, impassable, thickset; compact, tight, compressed, condensed, consolidated. 3. abundant,… …   A Note on the Style of the synonym finder

• Optical axis grating — Optical axis gratings (OAGs) are gratings of optical axis of a birefringent material. In OAGs, the birefringence of the material is constant, while the direction of optical axis is periodically modulated in a fixed direction. In this way they are …   Wikipedia

• Siegfried Line — The original Siegfried line ( Siegfriedstellung ) was a line of defensive forts and tank defenses built by Germany as a section of the Hindenburg Line 1916 1917 in northern France during World War I. However, in English, Siegfried line more… …   Wikipedia

• GRENOUILLE — Grating eliminated no nonsense observation of ultrafast incident laser light e fields (GRENOUILLE) is an ultrashort pulse measurement technique based on frequency resolved optical gating (FROG). The somewhat frivolous acronym was chosen because… …   Wikipedia

• castles — Thick walls and strong towers are characteristic features of Britain’s castles. When built, they were solid buildings with few comforts, designed for the defence of a town or region. About 1 200 castles were built in the 11th and 12th centuries,… …   Universalium

• eye, human — ▪ anatomy Introduction  specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit       The eye is protected from mechanical injury… …   Universalium

• Volume hologram — Volume holograms are holograms where the thickness of the recording material is much larger than the light wavelength used for recording. In this case diffraction of light from the hologram is possible only as Bragg diffraction, i.e., the light… …   Wikipedia

• Holography — (from the Greek, ὅλος hólos whole + γραφή grafē writing, drawing) is a technique that allows the light scattered from an object to be recorded and later reconstructed so that it appears as if the object is in the same position relative to the… …   Wikipedia

• Superlens — A superlens, super lens or perfect lens is a lens which uses metamaterials to go beyond the diffraction limit. The diffraction limit is an inherent limitation in conventional optical devices or lenses.[1] In 2000, a type of lens was proposed,… …   Wikipedia

• X-ray fluorescence — (XRF) is the emission of characteristic secondary (or fluorescent) X rays from a material that has been excited by bombarding with high energy X rays or gamma rays. The phenomenon is widely used for elemental analysis and chemical analysis,… …   Wikipedia