VOLUME BRAGG GRATING IN A CYLINDRICAL BULK MEDIUM

A method of manufacturing a Volume Bragg Grating (VBG) is provided, comprising providing a cylindrical bulk medium made of a transparent glass material and having a central axis along a longitudinal direction, and inscribing an interference pattern in the cylindrical bulk medium. The interference pa...

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Bibliographische Detailangaben
Hauptverfasser:	BROCHU, Guillaume, MAILLOUX, Alain, BOUDREAU, Sylvain, TREPANIER, François
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS DEVICES USING STIMULATED EMISSION ELECTRICITY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS
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Beschreibung
Zusammenfassung:	A method of manufacturing a Volume Bragg Grating (VBG) is provided, comprising providing a cylindrical bulk medium made of a transparent glass material and having a central axis along a longitudinal direction, and inscribing an interference pattern in the cylindrical bulk medium. The interference pattern has a plurality of grating fringe elements distributed along a line parallel to the central axis. The method further includes rotating the cylindrical bulk medium about the central axis during said inscribing, thereby azimuthally extending the grating fringes elements. There is further provided a VBG manufactured according to such a method, the use of such a VBG in a CPA system of cladding-pumped fiber laser.