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1 June 2005 High-reflectivity draw-tower fiber Bragg gratings—arrays and single gratings of type II
Christoph Chojetzki, Manfred W. Rothhardt, J. Ommer, Sonja Unger, Kay Schuster, Hans-Rainer Mueller
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Optical Engineering, Vol. 44, Issue 6, 060503 (June 2005). https://doi.org/10.1117/1.1927517
Abstract
Fiber Bragg gratings (FBG) were manufactured during the fiber drawing process [draw tower grating (DTG)] with excellent reflectivity values. This was done in the region of 1550 nm by single pulses of a 248-nm excimer laser applied during the fiber drawing process of single mode fibers. An improved setup for the writing process and special photosensitive fibers enable the manufacture of type I DTG arrays with a reflectivity of up to 40% and type II DTGs with a reflectivity near 100%. Details of the setup and results of the DTG arrays and DTGs of type II are reported.
©(2005) Society of Photo-Optical Instrumentation Engineers (SPIE)
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Christoph Chojetzki, Manfred W. Rothhardt, J. Ommer, Sonja Unger, Kay Schuster, and Hans-Rainer Mueller "High-reflectivity draw-tower fiber Bragg gratings—arrays and single gratings of type II," Optical Engineering 44(6), 060503 (1 June 2005). https://doi.org/10.1117/1.1927517
Published: 1 June 2005
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KEYWORDS
Reflectivity
Fiber Bragg gratings
Excimer lasers
Manufacturing
Sensors
Interferometers
Pulsed laser operation
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