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Behavior of a light beam incident on a periodic slit pattern (grating). (a) Splitting of the beam into several beams traveling along different directions. (b) Far from the grating, these beams correspond to sharp peaks in the light distribution,…

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from article Diffraction grating

Geometry of diffraction from a (a) transmission grating, (b) reflection grating.

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from article Diffraction grating

Relative spectral efficiency of a coarse blazed grating as a function of normalized wavelength λ/λ0.

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from article Diffraction grating

Typical Czerny-Turner grating monochromator mount. The grating rotates about an axis perpendicular to the paper.

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from article Diffraction grating

Example of a grating mounted in Littrow configuration, where the angles of incidence and diffraction are approximately equal. Input and output beams are shown slightly separated in the plane of the paper, though they may also be placed above and…

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from article Optical pulses

OMEGA EP laser undergoing testing. OMEGA EP is a four-beam laser. Two of its beams can be operated in the infrared with pulses shorter than 1 ps and energies of the order of 1000 joules. All four beams can be operated in the ultraviolet (351 nm)…

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from article Pyrometer