Holographic sensor

The invention relates to a sensor comprising a medium and, disposed therein, a hologram, wherein an optical characteristic of the medium changes as a result of a variation in a physical property of the medium, wherein the fringes of the hologram are formed by silver grains and wherein the medium com...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: MARSHALL ALEXANDER JAMES,KABILAN SATYAMOORTHY
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The invention relates to a sensor comprising a medium and, disposed therein, a hologram, wherein an optical characteristic of the medium changes as a result of a variation in a physical property of the medium, wherein the fringes of the hologram are formed by silver grains and wherein the medium comprises a material which does not bind silver. The brightness and sensitivity of such holographic sensors is increased as a result of reduction in the levels of unwanted silver binding.