Sealed hollow fibers for medical Er:YAG lasers

Y. Matsuura, S. Mohri, Y. W. Shi, M. Miyagi

Research output: Contribution to journalConference articlepeer-review

1 Citation (Scopus)


A simple sealing technique for medical hollow fibers to protect the inner surface from debris or water scattered from targets is proposed. Hollow fibers are sealed with a film of fluorocarbon polymer that was selected from other polymers due to the low absorption and high mechanical strength. The transmission loss of the 20 mm-thick sealing film was 0.2 dB for Er:YAG laser light and the maximum energy density that is capable for the film was 47 J/cm2. We found no damage on the film after a continuous laser-delivery test and a radiation test in running water.

Original languageEnglish
Pages (from-to)238-242
Number of pages5
JournalProceedings of SPIE - The International Society for Optical Engineering
Publication statusPublished - 2001
EventFiber Optic Sensor Technology II - Boston, MA, United States
Duration: 2000 Nov 62000 Nov 8


  • Er:YAG lasers
  • Hollow fibers
  • Laser dentistry


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