Transmitting high-power double-layer dielectric hollow optical fiber

Lantian Hou; Guiyao Zhou; Zhiyun Hou; Shumin Han; Kuiying Li

doi:10.1117/12.424699

12 April 2001 Transmitting high-power double-layer dielectric hollow optical fiber

Lantian Hou, Guiyao Zhou, Zhiyun Hou, Shumin Han, Kuiying Li

Proceedings Volume 4271, Optical Pulse and Beam Propagation III; (2001) https://doi.org/10.1117/12.424699
Event: Photonics West 2001 - LASE, 2001, San Jose, CA, United States

Abstract

A new type of the double layers polycrystal dielectric film in the quartz capillary has been fabricated. The first film is composed of nanoscale germanium dioxide obtained from controlling reaction temperature, gas flow rate and the proportion of reactants, and the second film is metal layer that has high refractive index at infrared region. So the dual-layer thin film has very high reflectivity at the wavelength range of 8-11 .6 µ m. The hollow-core optical fiber with this film on inner wall can transmit over 400 watts of cw carbon dioxide laser power or the pulse carbon dioxide laser with pulse width of 0.1 second and peak-power of 1000 watts, and transmission loss is less than O.6dB/m at 10.6 µ m in transmitting high power. The transmitting laser power fibers can be applied in medical treatment, mechanical process or the relevant scientific research etc.

Citation Download Citation

Lantian Hou, Guiyao Zhou, Zhiyun Hou, Shumin Han, and Kuiying Li "Transmitting high-power double-layer dielectric hollow optical fiber", Proc. SPIE 4271, Optical Pulse and Beam Propagation III, (12 April 2001); https://doi.org/10.1117/12.424699

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