MANUFACTURING METHOD FOR DISPERSION SHIFTED OPTICAL FIBER INCREASING EFFECTIVE ACTIVE AREA
PURPOSE: A manufacturing method of a base material for a dispersion mobile optical fiber with an extended effective area is provided to obtain an optical fiber in which a zero-dispersion wavelength is in the range of 1480-1500 nm, zero-dispersion slope is 0.05-0.09 ps/nm2*km by manufacturing the bas...
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| creator | LEE, KYUNG GOO KIM, SUN A OH, OHI HWAN CHO, HYUNG SU RYU, KI SUN |
| description | PURPOSE: A manufacturing method of a base material for a dispersion mobile optical fiber with an extended effective area is provided to obtain an optical fiber in which a zero-dispersion wavelength is in the range of 1480-1500 nm, zero-dispersion slope is 0.05-0.09 ps/nm2*km by manufacturing the base material as a double ring profile through vapor-phase axial deposition (VAD) method. CONSTITUTION: A manufacturing method of a base material for a dispersion mobile optical fiber with an extended effective area comprises following steps: forming a soot deposit for core which has a core and a doubling in an exterior of a seed rod (10) by depositing porous glass corpuscle having a core and a cladding composition on the glass rod, and applying a flame hydrolysis to a frit; removing a OH group by preliminary dehydrating the soot deposit for core in a furnace which has a Cl2 gas atmosphere; vitrifying the soot deposit for core with OH removed group as transparent glass through a first sintering; forming a glass rod for core by elongating a vitrified soot deposit for core to an external diameter of being designed; depositing a soot for the cladding by applying the flame hydrolysis again from outside of the glass rod for core; secondly sintering the soot for the cladding. |
| format | Patent |
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CONSTITUTION: A manufacturing method of a base material for a dispersion mobile optical fiber with an extended effective area comprises following steps: forming a soot deposit for core which has a core and a doubling in an exterior of a seed rod (10) by depositing porous glass corpuscle having a core and a cladding composition on the glass rod, and applying a flame hydrolysis to a frit; removing a OH group by preliminary dehydrating the soot deposit for core in a furnace which has a Cl2 gas atmosphere; vitrifying the soot deposit for core with OH removed group as transparent glass through a first sintering; forming a glass rod for core by elongating a vitrified soot deposit for core to an external diameter of being designed; depositing a soot for the cladding by applying the flame hydrolysis again from outside of the glass rod for core; secondly sintering the soot for the cladding.</description><language>eng ; kor</language><subject>CHEMISTRY ; GLASS ; MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES ; METALLURGY ; MINERAL OR SLAG WOOL ; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS ; OPTICS ; PHYSICS</subject><creationdate>2013</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20130719&DB=EPODOC&CC=KR&NR=101287545B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20130719&DB=EPODOC&CC=KR&NR=101287545B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LEE, KYUNG GOO</creatorcontrib><creatorcontrib>KIM, SUN A</creatorcontrib><creatorcontrib>OH, OHI HWAN</creatorcontrib><creatorcontrib>CHO, HYUNG SU</creatorcontrib><creatorcontrib>RYU, KI SUN</creatorcontrib><title>MANUFACTURING METHOD FOR DISPERSION SHIFTED OPTICAL FIBER INCREASING EFFECTIVE ACTIVE AREA</title><description>PURPOSE: A manufacturing method of a base material for a dispersion mobile optical fiber with an extended effective area is provided to obtain an optical fiber in which a zero-dispersion wavelength is in the range of 1480-1500 nm, zero-dispersion slope is 0.05-0.09 ps/nm2*km by manufacturing the base material as a double ring profile through vapor-phase axial deposition (VAD) method. CONSTITUTION: A manufacturing method of a base material for a dispersion mobile optical fiber with an extended effective area comprises following steps: forming a soot deposit for core which has a core and a doubling in an exterior of a seed rod (10) by depositing porous glass corpuscle having a core and a cladding composition on the glass rod, and applying a flame hydrolysis to a frit; removing a OH group by preliminary dehydrating the soot deposit for core in a furnace which has a Cl2 gas atmosphere; vitrifying the soot deposit for core with OH removed group as transparent glass through a first sintering; forming a glass rod for core by elongating a vitrified soot deposit for core to an external diameter of being designed; depositing a soot for the cladding by applying the flame hydrolysis again from outside of the glass rod for core; secondly sintering the soot for the cladding.</description><subject>CHEMISTRY</subject><subject>GLASS</subject><subject>MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES</subject><subject>METALLURGY</subject><subject>MINERAL OR SLAG WOOL</subject><subject>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</subject><subject>OPTICS</subject><subject>PHYSICS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2013</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNi7sKwjAUQLs4iPoPF5wFoxZd87jXXLRJSVIHl1IkTqKF-v-o0A9wOsM5Z1pcK-kakjo1gd0RKkzWGyAfwHCsMUT2DqJlSmjA14m1PAOxwgDsdEAZfxsSoU58QZAjvmZeTO7dY8iLkbNiSZi0XeX-1eah7275md_tKYi12Bz25a5USmz_qz4ntDLH</recordid><startdate>20130719</startdate><enddate>20130719</enddate><creator>LEE, KYUNG GOO</creator><creator>KIM, SUN A</creator><creator>OH, OHI HWAN</creator><creator>CHO, HYUNG SU</creator><creator>RYU, KI SUN</creator><scope>EVB</scope></search><sort><creationdate>20130719</creationdate><title>MANUFACTURING METHOD FOR DISPERSION SHIFTED OPTICAL FIBER INCREASING EFFECTIVE ACTIVE AREA</title><author>LEE, KYUNG GOO ; KIM, SUN A ; OH, OHI HWAN ; CHO, HYUNG SU ; RYU, KI SUN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_KR101287545BB13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; kor</language><creationdate>2013</creationdate><topic>CHEMISTRY</topic><topic>GLASS</topic><topic>MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES</topic><topic>METALLURGY</topic><topic>MINERAL OR SLAG WOOL</topic><topic>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</topic><topic>OPTICS</topic><topic>PHYSICS</topic><toplevel>online_resources</toplevel><creatorcontrib>LEE, KYUNG GOO</creatorcontrib><creatorcontrib>KIM, SUN A</creatorcontrib><creatorcontrib>OH, OHI HWAN</creatorcontrib><creatorcontrib>CHO, HYUNG SU</creatorcontrib><creatorcontrib>RYU, KI SUN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LEE, KYUNG GOO</au><au>KIM, SUN A</au><au>OH, OHI HWAN</au><au>CHO, HYUNG SU</au><au>RYU, KI SUN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MANUFACTURING METHOD FOR DISPERSION SHIFTED OPTICAL FIBER INCREASING EFFECTIVE ACTIVE AREA</title><date>2013-07-19</date><risdate>2013</risdate><abstract>PURPOSE: A manufacturing method of a base material for a dispersion mobile optical fiber with an extended effective area is provided to obtain an optical fiber in which a zero-dispersion wavelength is in the range of 1480-1500 nm, zero-dispersion slope is 0.05-0.09 ps/nm2*km by manufacturing the base material as a double ring profile through vapor-phase axial deposition (VAD) method. CONSTITUTION: A manufacturing method of a base material for a dispersion mobile optical fiber with an extended effective area comprises following steps: forming a soot deposit for core which has a core and a doubling in an exterior of a seed rod (10) by depositing porous glass corpuscle having a core and a cladding composition on the glass rod, and applying a flame hydrolysis to a frit; removing a OH group by preliminary dehydrating the soot deposit for core in a furnace which has a Cl2 gas atmosphere; vitrifying the soot deposit for core with OH removed group as transparent glass through a first sintering; forming a glass rod for core by elongating a vitrified soot deposit for core to an external diameter of being designed; depositing a soot for the cladding by applying the flame hydrolysis again from outside of the glass rod for core; secondly sintering the soot for the cladding.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY GLASS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS |
| title | MANUFACTURING METHOD FOR DISPERSION SHIFTED OPTICAL FIBER INCREASING EFFECTIVE ACTIVE AREA |
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