COMPENSATED BROADBAND FIBER LIGHT SOURCE WITH STABLE MEAN WAVELENGTH FOR A FIBER OPTIC GYRO

A fiber light source (605, 705) comprises a laser pump (654, 754) configured to generate a pump laser beam at a predetermined wavelength;a first segment of rare earth doped fiber (652-1, 752-1); a second segment of rare earth doped fiber (652-2, 752-2); and an optical coupler (656, 756) coupled to a...

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Hauptverfasser:	SANDERS, STEVEN J, QIU, TIEQUN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS DEVICES USING STIMULATED EMISSION ELECTRICITY GYROSCOPIC INSTRUMENTS MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING
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creator	SANDERS, STEVEN J QIU, TIEQUN
description	A fiber light source (605, 705) comprises a laser pump (654, 754) configured to generate a pump laser beam at a predetermined wavelength;a first segment of rare earth doped fiber (652-1, 752-1); a second segment of rare earth doped fiber (652-2, 752-2); and an optical coupler (656, 756) coupled to a first end of the first segment and a first end of the second segment. The optical coupler (656, 756) is configured to split the pump laser beam based on a power coupling ratio. The first segment generates a first stimulated emission having a first mean wavelength sensitivity to pump laser power fluctuations and the second segment generates a second stimulated emission having a second mean wavelength sensitivity to pump laser power fluctuations such that an output (664, 764) of a combined stimulated emission from first and second stimulated emissions presents a mean wavelength which is approximately insensitive to pump laser power fluctuations. An optical fiber gyro comprising the above-described fiber light source is also disclosed.
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The optical coupler (656, 756) is configured to split the pump laser beam based on a power coupling ratio. The first segment generates a first stimulated emission having a first mean wavelength sensitivity to pump laser power fluctuations and the second segment generates a second stimulated emission having a second mean wavelength sensitivity to pump laser power fluctuations such that an output (664, 764) of a combined stimulated emission from first and second stimulated emissions presents a mean wavelength which is approximately insensitive to pump laser power fluctuations. 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The optical coupler (656, 756) is configured to split the pump laser beam based on a power coupling ratio. The first segment generates a first stimulated emission having a first mean wavelength sensitivity to pump laser power fluctuations and the second segment generates a second stimulated emission having a second mean wavelength sensitivity to pump laser power fluctuations such that an output (664, 764) of a combined stimulated emission from first and second stimulated emissions presents a mean wavelength which is approximately insensitive to pump laser power fluctuations. An optical fiber gyro comprising the above-described fiber light source is also disclosed.</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>DEVICES USING STIMULATED EMISSION</subject><subject>ELECTRICITY</subject><subject>GYROSCOPIC INSTRUMENTS</subject><subject>MEASURING</subject><subject>MEASURING DISTANCES, LEVELS OR BEARINGS</subject><subject>NAVIGATION</subject><subject>PHOTOGRAMMETRY OR VIDEOGRAMMETRY</subject><subject>PHYSICS</subject><subject>SURVEYING</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2016</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNi0sKwjAUALtxIeod3gWE1iK4fUlePpAmIYkWcVGKxJVood4fXfQArgaGmXV1474L5BJmEsCiR8HQCZCGUQRrlM6Q_Dlygt5kDSkjswQdoYMeL2TJqZ-WPgIukw_ZcFDX6LfV6jE-57JbuKlAUuZ6X6b3UOZpvJdX-QwU2ro5ng41Nu0fyRfxijEu</recordid><startdate>20160504</startdate><enddate>20160504</enddate><creator>SANDERS, STEVEN J</creator><creator>QIU, TIEQUN</creator><scope>EVB</scope></search><sort><creationdate>20160504</creationdate><title>COMPENSATED BROADBAND FIBER LIGHT SOURCE WITH STABLE MEAN WAVELENGTH FOR A FIBER OPTIC GYRO</title><author>SANDERS, STEVEN J ; QIU, TIEQUN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3015820A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2016</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>DEVICES USING STIMULATED EMISSION</topic><topic>ELECTRICITY</topic><topic>GYROSCOPIC INSTRUMENTS</topic><topic>MEASURING</topic><topic>MEASURING DISTANCES, LEVELS OR BEARINGS</topic><topic>NAVIGATION</topic><topic>PHOTOGRAMMETRY OR VIDEOGRAMMETRY</topic><topic>PHYSICS</topic><topic>SURVEYING</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>SANDERS, STEVEN J</creatorcontrib><creatorcontrib>QIU, TIEQUN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SANDERS, STEVEN J</au><au>QIU, TIEQUN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>COMPENSATED BROADBAND FIBER LIGHT SOURCE WITH STABLE MEAN WAVELENGTH FOR A FIBER OPTIC GYRO</title><date>2016-05-04</date><risdate>2016</risdate><abstract>A fiber light source (605, 705) comprises a laser pump (654, 754) configured to generate a pump laser beam at a predetermined wavelength;a first segment of rare earth doped fiber (652-1, 752-1); a second segment of rare earth doped fiber (652-2, 752-2); and an optical coupler (656, 756) coupled to a first end of the first segment and a first end of the second segment. The optical coupler (656, 756) is configured to split the pump laser beam based on a power coupling ratio. The first segment generates a first stimulated emission having a first mean wavelength sensitivity to pump laser power fluctuations and the second segment generates a second stimulated emission having a second mean wavelength sensitivity to pump laser power fluctuations such that an output (664, 764) of a combined stimulated emission from first and second stimulated emissions presents a mean wavelength which is approximately insensitive to pump laser power fluctuations. An optical fiber gyro comprising the above-described fiber light source is also disclosed.</abstract><oa>free_for_read</oa></addata></record>
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language	eng ; fre ; ger
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subjects	BASIC ELECTRIC ELEMENTS DEVICES USING STIMULATED EMISSION ELECTRICITY GYROSCOPIC INSTRUMENTS MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING
title	COMPENSATED BROADBAND FIBER LIGHT SOURCE WITH STABLE MEAN WAVELENGTH FOR A FIBER OPTIC GYRO
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