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- Title
Multipoint Measurement Using an Inline Fibre Optic Spectrometer Fabricated with a 400 nm Femtosecond Laser.
- Authors
Kenji Goya; Masahiko Shiraishi; Atsushi Seki; Kazuhiro Watanabe; Yusuke Fuchiwaki; Toshihiko Ooie
- Abstract
We have demonstrated micro-hole drilling for the fabrication of an inline fibre optic spectrometer using a 400 nm femtosecond laser. An optical fibre was irradiated with a 1 kHz pulse train of 40 μJ femtosecond pulses for 1.2 s to create a through-hole that penetrates the fibre core and functions as a sample cell for spectroscopic measurements. A spiral micro-hole arrangement embedded in a multi-mode fibre provided sufficient performance for multipoint spectroscopic measurements.
- Subjects
FIBER optic cables; SPECTROMETERS; FEMTOSECOND lasers; POLYCARBONATES; POLYCARBONATE cladding
- Publication
Journal of Laser Micro / Nanoengineering, 2017, Vol 12, Issue 2, p120
- ISSN
1880-0688
- Publication type
Article
- DOI
10.2961/jlmn.2017.02.0013