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Single crystal Er^sup 3+^ : YAG fibers with tailored refractive index profiles
Erbium-doped yttrium aluminum garnet (Er3+:YAG) rods were inserted inside undoped tubes and grown into single-crystal fibers of a diameter of 300 μm using the laser-heated pedestal growth technique. Growth at various rates resulted in radially graded distributions of Er3+ dopant ions, as observed us...
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| Published in: | Applied optics (2004) 2018-01, Vol.57 (2), p.362 |
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| Main Authors: | , , , , , , , |
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| Language: | English |
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| container_issue | 2 |
| container_start_page | 362 |
| container_title | Applied optics (2004) |
| container_volume | 57 |
| creator | Cheng, L Chick, T Chapman, J Dreyer, E F C Nie, C D Bera, S Harrington, J A Rand, S C |
| description | Erbium-doped yttrium aluminum garnet (Er3+:YAG) rods were inserted inside undoped tubes and grown into single-crystal fibers of a diameter of 300 μm using the laser-heated pedestal growth technique. Growth at various rates resulted in radially graded distributions of Er3+ dopant ions, as observed using laser-induced fluorescence imaging. Profiles of the refractive index were measured using cross-sectional reflectometry in a microscope. Dopant distributions and the corresponding index profiles were compared with thermal diffusion theory to determine the inter-diffusion coefficient of Y3+ and Er3+ ions at 2000°C, yielding an estimated value of ð·=(9.10±0.8)×10−11 m2/s. This work constitutes a step toward controlled growth of fibers with high thermal conductivities, low Brillouin gain, and waveguiding properties required for high-power optical amplifier and laser applications. |
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Growth at various rates resulted in radially graded distributions of Er3+ dopant ions, as observed using laser-induced fluorescence imaging. Profiles of the refractive index were measured using cross-sectional reflectometry in a microscope. Dopant distributions and the corresponding index profiles were compared with thermal diffusion theory to determine the inter-diffusion coefficient of Y3+ and Er3+ ions at 2000°C, yielding an estimated value of ð·=(9.10±0.8)×10−11 m2/s. This work constitutes a step toward controlled growth of fibers with high thermal conductivities, low Brillouin gain, and waveguiding properties required for high-power optical amplifier and laser applications.</description><identifier>ISSN: 1559-128X</identifier><identifier>EISSN: 2155-3165</identifier><language>eng</language><publisher>Washington: Optical Society of America</publisher><subject>Aluminum ; Amplification ; Crystal fibers ; Crystal growth ; Diffusion coefficient ; Diffusion theory ; Dopants ; Erbium ; Laser applications ; Laser beam heating ; Laser induced fluorescence ; Lasers ; Optical properties ; Reflectometry ; Refractivity ; Single crystals ; Thermal diffusion ; Tubes ; Yttrium ; Yttrium-aluminum garnet</subject><ispartof>Applied optics (2004), 2018-01, Vol.57 (2), p.362</ispartof><rights>Copyright Optical Society of America Jan 10, 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784</link.rule.ids></links><search><creatorcontrib>Cheng, L</creatorcontrib><creatorcontrib>Chick, T</creatorcontrib><creatorcontrib>Chapman, J</creatorcontrib><creatorcontrib>Dreyer, E F C</creatorcontrib><creatorcontrib>Nie, C D</creatorcontrib><creatorcontrib>Bera, S</creatorcontrib><creatorcontrib>Harrington, J A</creatorcontrib><creatorcontrib>Rand, S C</creatorcontrib><title>Single crystal Er^sup 3+^ : YAG fibers with tailored refractive index profiles</title><title>Applied optics (2004)</title><description>Erbium-doped yttrium aluminum garnet (Er3+:YAG) rods were inserted inside undoped tubes and grown into single-crystal fibers of a diameter of 300 μm using the laser-heated pedestal growth technique. Growth at various rates resulted in radially graded distributions of Er3+ dopant ions, as observed using laser-induced fluorescence imaging. Profiles of the refractive index were measured using cross-sectional reflectometry in a microscope. Dopant distributions and the corresponding index profiles were compared with thermal diffusion theory to determine the inter-diffusion coefficient of Y3+ and Er3+ ions at 2000°C, yielding an estimated value of ð·=(9.10±0.8)×10−11 m2/s. This work constitutes a step toward controlled growth of fibers with high thermal conductivities, low Brillouin gain, and waveguiding properties required for high-power optical amplifier and laser applications.</description><subject>Aluminum</subject><subject>Amplification</subject><subject>Crystal fibers</subject><subject>Crystal growth</subject><subject>Diffusion coefficient</subject><subject>Diffusion theory</subject><subject>Dopants</subject><subject>Erbium</subject><subject>Laser applications</subject><subject>Laser beam heating</subject><subject>Laser induced fluorescence</subject><subject>Lasers</subject><subject>Optical properties</subject><subject>Reflectometry</subject><subject>Refractivity</subject><subject>Single crystals</subject><subject>Thermal diffusion</subject><subject>Tubes</subject><subject>Yttrium</subject><subject>Yttrium-aluminum garnet</subject><issn>1559-128X</issn><issn>2155-3165</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNpjYuA0MjQ11TU2NDNlYeAEMi11DY0sIjgYuIqLswwMjE1NLM05GYKCM_PSc1IVkosqi0sScxRci-KKSwsUjLXjHjV0WgFxpKO7QlpmUmpRsUJ5ZkmGQkliZk5-UWqKQlFqWlFicklmWapCZl5KaoVCQVF-WmZOajEPA2taYk5xKi-U5mZQdnMNcfbQBSooLE0tLonPyi8tygNKxRsZmJoZGBuZWpoYE6cKAL0UQl4</recordid><startdate>20180110</startdate><enddate>20180110</enddate><creator>Cheng, L</creator><creator>Chick, T</creator><creator>Chapman, J</creator><creator>Dreyer, E F C</creator><creator>Nie, C D</creator><creator>Bera, S</creator><creator>Harrington, J A</creator><creator>Rand, S C</creator><general>Optical Society of America</general><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20180110</creationdate><title>Single crystal Er^sup 3+^ : YAG fibers with tailored refractive index profiles</title><author>Cheng, L ; Chick, T ; Chapman, J ; Dreyer, E F C ; Nie, C D ; Bera, S ; Harrington, J A ; Rand, S C</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_journals_20560325943</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Aluminum</topic><topic>Amplification</topic><topic>Crystal fibers</topic><topic>Crystal growth</topic><topic>Diffusion coefficient</topic><topic>Diffusion theory</topic><topic>Dopants</topic><topic>Erbium</topic><topic>Laser applications</topic><topic>Laser beam heating</topic><topic>Laser induced fluorescence</topic><topic>Lasers</topic><topic>Optical properties</topic><topic>Reflectometry</topic><topic>Refractivity</topic><topic>Single crystals</topic><topic>Thermal diffusion</topic><topic>Tubes</topic><topic>Yttrium</topic><topic>Yttrium-aluminum garnet</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cheng, L</creatorcontrib><creatorcontrib>Chick, T</creatorcontrib><creatorcontrib>Chapman, J</creatorcontrib><creatorcontrib>Dreyer, E F C</creatorcontrib><creatorcontrib>Nie, C D</creatorcontrib><creatorcontrib>Bera, S</creatorcontrib><creatorcontrib>Harrington, J A</creatorcontrib><creatorcontrib>Rand, S C</creatorcontrib><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Applied optics (2004)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cheng, L</au><au>Chick, T</au><au>Chapman, J</au><au>Dreyer, E F C</au><au>Nie, C D</au><au>Bera, S</au><au>Harrington, J A</au><au>Rand, S C</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Single crystal Er^sup 3+^ : YAG fibers with tailored refractive index profiles</atitle><jtitle>Applied optics (2004)</jtitle><date>2018-01-10</date><risdate>2018</risdate><volume>57</volume><issue>2</issue><spage>362</spage><pages>362-</pages><issn>1559-128X</issn><eissn>2155-3165</eissn><abstract>Erbium-doped yttrium aluminum garnet (Er3+:YAG) rods were inserted inside undoped tubes and grown into single-crystal fibers of a diameter of 300 μm using the laser-heated pedestal growth technique. 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| fulltext | fulltext |
| identifier | ISSN: 1559-128X |
| ispartof | Applied optics (2004), 2018-01, Vol.57 (2), p.362 |
| issn | 1559-128X 2155-3165 |
| language | eng |
| recordid | cdi_proquest_journals_2056032594 |
| source | Optica Publishing Group Journals |
| subjects | Aluminum Amplification Crystal fibers Crystal growth Diffusion coefficient Diffusion theory Dopants Erbium Laser applications Laser beam heating Laser induced fluorescence Lasers Optical properties Reflectometry Refractivity Single crystals Thermal diffusion Tubes Yttrium Yttrium-aluminum garnet |
| title | Single crystal Er^sup 3+^ : YAG fibers with tailored refractive index profiles |
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