Refractive index profiles of polymer optical fiber preforms

1997 ◽  
Author(s):  
Brian K. Canfield ◽  
Joshua A. Clearman ◽  
Mark G. Kuzyk ◽  
Christopher S. Kwiatkowski
Keyword(s):  
Refractive Index ◽  
Optical Fiber ◽  
Polymer Optical Fiber ◽  
Fiber Preforms

Direct deflection method for determining refractive-index profiles of polymer optical fiber preforms

2002 ◽  
Vol 41 (17) ◽  
pp. 3404 ◽  
Author(s):  
Brian K. Canfield ◽  
Christopher S. Kwiatkowski ◽  
Mark G. Kuzyk
Keyword(s):  
Refractive Index ◽  
Optical Fiber ◽  
Polymer Optical Fiber ◽  
Fiber Preforms

scholarly journals Instrumentation for Simultaneous Non-Destructive Profiling of Refractive Index and Rare-Earth-Ion Distributions in Optical Fiber Preforms

Instruments ◽  
2018 ◽  
Vol 2 (4) ◽  
pp. 23 ◽  
Author(s):  
Marilena Vivona ◽  
Michalis Zervas
Keyword(s):  
Refractive Index ◽  
Rare Earth ◽  
Optical Fiber ◽  
Communication Systems ◽  
Optical Tomography ◽  
Dopant Distribution ◽  
Fiber Preform ◽  
Rare Earth Ion ◽  
Non Destructive ◽  
Fiber Preforms

We present a non-destructive technique for a combined evaluation of refractive index and active-dopant distribution in the same position along a rare-earth-doped optical fiber preform. The method relies on luminescence measurements, analyzed through an optical tomography technique, to define the active dopant distribution and ray-deflection measurements to calculate the refractive index profile. The concurrent evaluation of both the preform refractive index and the active dopant profiles allows for an accurate establishment of the dopant distribution within the optical core region. This combined information is important for the optimization and development of a range of advanced fibers, used, for example, in a high-power fiber lasers and modern spatial-division-multiplexing optical communication systems. In addition, the non-destructive nature allows the technique to be used to identify the most appropriate preform segment, thus increasing fiber yield and reducing development cycles. We demonstrate the technique on an Yb3+-doped aluminosilicate fiber preform and compare it with independent refractive index and active-dopant measurements. This technique will be useful for quality evaluation and optimization of optical fiber preforms and lends itself to advanced instrumentation.

Formation of the refractive index profile in the graded index polymer optical fiber for gigabit data transmission

1997 ◽  
Vol 15 (11) ◽  
pp. 2095-2100 ◽  
Author(s):  
T. Ishigure ◽  
M. Satoh ◽  
O. Takanashi ◽  
E. Nihei ◽  
T. Nyu ◽  
...  
Keyword(s):  
Refractive Index ◽  
Optical Fiber ◽  
Data Transmission ◽  
Refractive Index Profile ◽  
Index Profile ◽  
Polymer Optical Fiber ◽  
Graded Index

scholarly journals Pilot demonstration of refractive index sensing using polymer optical fiber crushed with slotted screwdriver

2017 ◽  
Vol 14 (21) ◽  
pp. 20170962-20170962 ◽  
Author(s):  
Yosuke Mizuno ◽  
Heeyoung Lee ◽  
Shumpei Shimada ◽  
Yukihiro Matsumoto ◽  
Yosuke Tanaka ◽  
...  
Keyword(s):  
Refractive Index ◽  
Optical Fiber ◽  
Polymer Optical Fiber ◽  
Refractive Index Sensing
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