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10 relations: Diffraction, Diffraction efficiency, Diffraction grating, Dispersion (optics), High Accuracy Radial Velocity Planet Searcher, Joseph Johann von Littrow, Optical power, PRL Advanced Radial-velocity All-sky Search, Refraction, Spectrograph.
Diffraction
--> Diffraction refers to various phenomena that occur when a wave encounters an obstacle or a slit.
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Diffraction efficiency
Diffraction efficiency is the performance of diffractive optical elements – especially diffraction gratings – in terms of power throughput.
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Diffraction grating
In optics, a diffraction grating is an optical component with a periodic structure that splits and diffracts light into several beams travelling in different directions.
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Dispersion (optics)
In optics, dispersion is the phenomenon in which the phase velocity of a wave depends on its frequency.
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High Accuracy Radial Velocity Planet Searcher
The High Accuracy Radial velocity Planet Searcher (HARPS) is a high-precision echelle planet finding spectrograph installed in 2002 on the ESO's 3.6m telescope at La Silla Observatory in Chile.
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Joseph Johann von Littrow
Joseph Johann von Littrow (13 March 1781, Horšovský Týn (Bischofteinitz) – 30 November 1840, Vienna) was an Austrian astronomer.
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Optical power
Optical power (also referred to as dioptric power, refractive power, focusing power, or convergence power) is the degree to which a lens, mirror, or other optical system converges or diverges light.
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PRL Advanced Radial-velocity All-sky Search
PARAS is a ground-based extrasolar planet search device.
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Refraction
Refraction is the change in direction of wave propagation due to a change in its transmission medium.
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Spectrograph
A spectrograph is an instrument that separates light into a frequency spectrum and records the signal using a camera.
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Blazed Grating, Littrow angle.
