Optical properties of end–sealed hollow fibers

Shintaro Mohri; Takao Kasai; Yukio Abe; Yi Wei Shi; Yuji Matsuura; Mitsunobu Miyagi

doi:10.1364/AO.41.001251

Optical properties of end–sealed hollow fibers

Shintaro Mohri, Takao Kasai, Yukio Abe, Yi Wei Shi, Yuji Matsuura, Mitsunobu Miyagi

MEN - Biomedical Engineering

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

We propose sealing techniques for medical hollow fibers to protect the inner surface of fibers from debris or water that scatters from targets. First, hollow fibers are sealed with a film of polymer that is easily formed by use of a dipping technique. The transmission loss of 20-μm–thick sealing film was 0.2 dB for Er:YAG laser light, and the maximum energy that is available for the film was 180 mJ. Second, a sealed glass cap was applied to the output end of hollow fiber. The silica-glass cap with a wall thickness of 400 μm shows a transmission loss of 0.5 dB and was not damaged by radiation of 400–mJ energy pulses.

Original language	English
Pages (from-to)	1251-1255
Number of pages	5
Journal	Applied optics
Volume	41
Issue number	7
DOIs	https://doi.org/10.1364/AO.41.001251
Publication status	Published - 2002 Mar 1

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Engineering (miscellaneous)
Electrical and Electronic Engineering

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AU - Mohri, Shintaro

AU - Kasai, Takao

AU - Abe, Yukio

AU - Shi, Yi Wei

AU - Matsuura, Yuji

AU - Miyagi, Mitsunobu

PY - 2002/3/1

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AB - We propose sealing techniques for medical hollow fibers to protect the inner surface of fibers from debris or water that scatters from targets. First, hollow fibers are sealed with a film of polymer that is easily formed by use of a dipping technique. The transmission loss of 20-μm–thick sealing film was 0.2 dB for Er:YAG laser light, and the maximum energy that is available for the film was 180 mJ. Second, a sealed glass cap was applied to the output end of hollow fiber. The silica-glass cap with a wall thickness of 400 μm shows a transmission loss of 0.5 dB and was not damaged by radiation of 400–mJ energy pulses.

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Optical properties of end–sealed hollow fibers

Abstract

ASJC Scopus subject areas

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