Fabrication of a graded-index polymer optical fiber preform by using a centrifugal force

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We have investigated a fabricating method for a graded index polymer optical fiber preform using a centrifugal force. When two monomers with different densities and refractive indices are polymerized under a centrifugal force, a concentration gradient is generated due to their density difference. Therefore, a graded refractive index can be obtained according to the concentration gradient. When a monomer is polymerized under a centrifugal force, a preform with a hollow is obtained because of volume shrinkage. To compensate for this practically, additional monomer should be filled into the hollow. Monomer should be fed to obtain a continuous gradient of refractive index at the interface before the first polymerized product is perfectly glassified. Two different types of feeding additional monomer were experimented with: monomer-monomer pair (case 1) and monomer-polymer pair (case II). The graded index profile with a proper Deltan (about 0.01) was successfully obtained in either case.
Publisher
KOREAN INST CHEM ENGINEERS
Issue Date
2002-05
Language
English
Article Type
Article
Citation

KOREAN JOURNAL OF CHEMICAL ENGINEERING, v.19, no.3, pp.505 - 509

ISSN
0256-1115
URI
http://hdl.handle.net/10203/5019
Appears in Collection
CBE-Journal Papers(저널논문)
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