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The establishment of EVISA is funded by the EU through the Fifth Framework Programme (G7RT- CT- 2002- 05112).

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diffraction grating

Transmitting or reflecting optical element with regularly spaced scribes or grooves on its surface, designed to use phase-dependent constructive interference to separate light by dispersing it at wavelength-dependent angles.

The term "diffraction grating" was found in the following pages:


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