15 October 2013 Low loss, wide transparency, robust tellurite glass fibers for mid-IR (2 - 5 μm) applications
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Mid Infrared (MIR) fiber optics has gained a great deal of interest over the past several decades. Applications range from passive transport to fiber lasers and nonlinear applications. These fibers have found use in a wide array of fields such as sensing, military countermeasures, scientific instrumentation, medical instrumentation, and in research laboratories. As with all fiber development there is a continual urge to seek better performance characteristics including transparency over a wide wavelength range, corrosion resistance, high power handling and low loss. We report on development of tellurite glass fibers displaying exceptionally high performance for various applications including wide band, low loss passive transport for mid IR, high efficiency, wide wavelength range and high power supercontinuum generation from visible to MIR wavelengths >4.5um, and active doping in fibers for use in laser cooling. High performance in each of these areas of interest has been brought about by development of a stable glass formulation and advanced processing techniques to remove impurities ions, entrapped hydroxyl, and scatter centers which allow fibers to be made with exceptionally low losses ~0.2dB/m.
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Dan L. Rhonehouse, Dan L. Rhonehouse, Jie Zong, Jie Zong, Dan Nguyen, Dan Nguyen, Rajesh Thapa, Rajesh Thapa, Kort Wiersma, Kort Wiersma, Chris Smith, Chris Smith, Arturo Chavez-Pirson, Arturo Chavez-Pirson, } "Low loss, wide transparency, robust tellurite glass fibers for mid-IR (2 - 5 μm) applications", Proc. SPIE 8898, Technologies for Optical Countermeasures X; and High-Power Lasers 2013: Technology and Systems, 88980D (15 October 2013); doi: 10.1117/12.2033925; https://doi.org/10.1117/12.2033925


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