Structural design and fabrication of hollow optical fiber for transmitting mid-infrared and visible light

Shuoying Yu; YiCheng Cai; Sheng Liu; YiZhen Zhu; Xuehui Lu; Chengbin Jing; Junhao Chu

doi:10.1117/12.2665479

31 January 2023 Structural design and fabrication of hollow optical fiber for transmitting mid-infrared and visible light

Shuoying Yu, YiCheng Cai, Sheng Liu, YiZhen Zhu, Xuehui Lu, Chengbin Jing, Junhao Chu

Author Affiliations +

Proceedings Volume 12505, Earth and Space: From Infrared to Terahertz (ESIT 2022); 125050F (2023) https://doi.org/10.1117/12.2665479
Event: Earth and Space: From Infrared to Terahertz (ESIT 2022), 2022, Nantong, China

Abstract

Hollow optical fiber is an important means for transmitting mid-infrared laser radiations (e.g. 10.6 μm CO2 laser) in medical surgery applications. Presently it’s still a challenge to establish a flexible, low-cost hollow fiber that can transmit the invisible mid-infrared light and the visible indicator light simultaneously. In this work, we selected flexible acrylonitrile butadiene styrene (ABS) plastic tubing and polymethylmethacrylate (PMMA) plastic optical fiber to fabricate a PMMA/ABS plastic tube-based hollow optical fiber. The ABS plastic tube with Ag/AgI plating on the inner surface was used to transmit CO2 laser. The PMMA plastic optical fibers integrated around the output end of the ABS tube-based Ag/AgI hollow fiber was used to deliver visible light. The results show that the CO2 laser transmission loss of this hollow fiber goes up from 0.74 to 1.22 dB/m as the bending angle increases from 0° to 120°. The 5-watt CO2 laser can be transmitted continuously for at least 6 minutes. The illumination of visible light transmitted through the PMMA plastic optical fibers can reach 1171 lux. Compared with conventional silica glass tube-based dual- core hollow fiber, the PMMA/ABS plastic tube-based hollow fiber is more robust, flexible and easy to couple. The PMMA/ABS plastic tube-based hollow optical fiber provides new ideas for transmitting invisible mid-infrared light and the visible indicator light simultaneously, which is expected to build a new laser surgery medical equipment.

Citation Download Citation

Shuoying Yu, YiCheng Cai, Sheng Liu, YiZhen Zhu, Xuehui Lu, Chengbin Jing, and Junhao Chu "Structural design and fabrication of hollow optical fiber for transmitting mid-infrared and visible light", Proc. SPIE 12505, Earth and Space: From Infrared to Terahertz (ESIT 2022), 125050F (31 January 2023); https://doi.org/10.1117/12.2665479

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KEYWORDS

Optical fibers

Visible radiation

Carbon dioxide lasers

Polymer optical fibers

Mid-IR

Polymethylmethacrylate

Fiber lasers

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