OPTICAL, INTEGRATED WAVEGUIDE COMPONENT

An optical integrated waveguide component comprises a single crystal body e.g. of lithium niobate having a flat upper surface provided with waveguides and flat parallel end surfaces. The crystal has cleavage planes, and an optical axis in the crystal can be defined with a given inclination to these...

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Bibliographische Detailangaben
1. Verfasser:	JANSSON, MATS A.H
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR CHEMISTRY CRYSTAL GROWTH METALLURGY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL
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Beschreibung
Zusammenfassung:	An optical integrated waveguide component comprises a single crystal body e.g. of lithium niobate having a flat upper surface provided with waveguides and flat parallel end surfaces. The crystal has cleavage planes, and an optical axis in the crystal can be defined with a given inclination to these planes. The end surfaces of the body consist of cleavage planes for obtaining small losses when coupling light into the waveguides. The upper suraface is oriented such that in relation to the crystalline structure the optical axis of the crystal is in a plane defined by the normals of the upper surface and end surfaces. The angle between the upper surface and end surfaces deviates from a right angle by an angle (.beta.) of at most 10 degrees.