Integrated optics spectrum analyzer
3 Assignments
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Accused Products
Abstract
An optical waveguide comprises two out-diffused optical waveguide sections, an in-diffused optical waveguide section, and two narrow transition regions intimately connecting the out-diffused waveguide sections and the in-diffused waveguide section. This waveguide structure can decrease the level of in-plane scattering caused by surface irregularities and reduce the difficulty of coupling light into and out or the waveguide. The structure can be made to perform as a transverse magnetic mode filter and increase the intensity of light focussed into the guide beyond the limits imposed by the optical damage resistance of a strictly in-diffused waveguide.
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Specification
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Current AssigneeHer Majesty The Queen In Right of Canada As Represented By The Minister of National Defence
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Original AssigneeHer Majesty The Queen In Right of Canada As Represented By The Minister of National Defence
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InventorsGregoris, Dennis J., Ristic, Velimir M., Arsenault, Roger
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Primary Examiner(s)Sikes, William L.
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Assistant Examiner(s)HEALY, BRIAN
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Application NumberUS07/038,095Time in Patent Office477 DaysField of Search350/96.10, 350/96.11, 350/96.12, 350/96.13, 350/96.14, 350/96.18US Class Current385/14CPC Class CodesG02B 6/12004 Combinations of two or more...G02F 1/335 having an optical waveguide...
