Todimensionalt brydningsgitter til alternerende flerlagsstabling og spektro-skopisk apparat med dette gitter
The grating has a periodicity structure (4) carried by a surface (3) of a substrate (2). Two periodic thin layer stackings (5, 6) of periods d1 and d2, respectively, are constituted of layers of two different materials, where the stackings form parallel traces separated from the surface and spaced p...
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Zusammenfassung: | The grating has a periodicity structure (4) carried by a surface (3) of a substrate (2). Two periodic thin layer stackings (5, 6) of periods d1 and d2, respectively, are constituted of layers of two different materials, where the stackings form parallel traces separated from the surface and spaced periodically. The layers of the two stackings are placed alternative to each other. Independent claims are also included for the following: (A) a method of fabrication of a diffraction grating (B) a spectroscopic device for analyzing or filtering a light source comprising a diffraction grating. |
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