22 February 2018 All-solid tellurite optical fiber with transversely disordered refractive index profile and its optical image transport performance
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Proceedings Volume 10528, Optical Components and Materials XV; 105281O (2018) https://doi.org/10.1117/12.2289266
Event: SPIE OPTO, 2018, San Francisco, California, United States
Abstract
All-solid tellurite-glass optical rod and fiber with transversely-disordered refractive index profile were successfully fabricated to study the transport of infrared images by using transverse localization of light. The fabrication was carried out by using stack-and-draw and rod-in-tube techniques. The fabricated tellurite optical rod and fiber were composed of high-index and low-index units which were arranged randomly in the transverse plane but were invariant in the longitudinal direction. The diameter of each unit was approximately 1.0 μm. The high-index and low-index materials were TeO2-Li2O-WO3-MoO3-Nb2O5 (TLWMN) glass and TeO2-ZnO-Na2O-La2O3 (TZNL) glass, respectively. At 1550 nm, their refractive index difference ∆n is 0.096. To investigate the optical image transport capability, A CW laser light at 1550 nm was used as an input probe beam and the 1951 U.S. Air Force test target was installed in front of 10-cm-long segments of the fabricated rod and fiber in the experimental setup. The output signal was recorded by a beam profiler. As a result, clear transported images of numbers and lines on the test target were obtained.
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Hoang Tuan Tong, Shunei Kuroyanagi, Takenobu Suzuki, Yasutake Ohishi, "All-solid tellurite optical fiber with transversely disordered refractive index profile and its optical image transport performance", Proc. SPIE 10528, Optical Components and Materials XV, 105281O (22 February 2018); doi: 10.1117/12.2289266; https://doi.org/10.1117/12.2289266
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