DIFFRACTION GRATING Russian patent published in 2004 - IPC

Abstract RU 2226284 C2

FIELD: processes and equipment for analyzing spectrum of light irradiation. SUBSTANCE: apparatus is in the form of diffraction grating and it has alternating mutually parallel lines of the same thickness spaced one from another by the same distance and applied onto substrate. Apparatus is made of flat transparent substrate and applied onto it nontransparent film having annular translucent zone formed by alternating concentric lines. EFFECT: possibility for making simple low-cost apparatus for rough analysis of spectrum of light irradiation. 2 dwg

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RU 2 226 284 C2

Authors

Mikheev G.M.

Kaljuzhnyj D.G.

Zonov R.G.

Dates

2004-03-27—Published

2002-02-20—Filed