US Patent 7689072 Optical device with reduced temperature dependence
Patent 7689072 was granted and assigned to Gemfire on March, 2010 by the United States Patent and Trademark Office.
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Patent abstract
Optical apparatus with improved center wavelength temperature stability. In an embodiment, an AWG has a plurality of slots inserted along the optical paths. The slots contain one or more compensation materials which collectively correct for an order Q temperature dependency of the AWG base material. Q>=2 or the number of compensation materials is at least 2 or both.
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Patent Inventor Names
Hindrick Freerk Bulthuis0
Michael G. Jubber0
Tony C. Kowalczyk0
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US Patent 07689072 Optical device with reduced temperature dependence US Patent 7689072 Optical device with reduced temperature dependence
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Patent Number
076890720
Patent Number
76890720
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Official Website
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
076890720
Date of Patent
March 30, 2010
0Patent Application Number
121308230
Date Filed
May 30, 2008
0Official Website
Patent Primary Examiner
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US Patent 07689072 Optical device with reduced temperature dependence
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07689072
Date of patent
March 30, 2010
Patent application number
12130823
Date Filed
May 30, 2008
Patent primary examiner
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