Effects of para-fluorine substituent of polystyrene on gradient-index fiber-optic properties

Kotaro Koike, Akifumi Suzuki, Kenji Makino, Yasuhiro Koike

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

To study the effects of fluorine substituent of polystyrene (PSt) on gradient-index fiber-optic properties, a poly(para-fluorostyrene) (P(p-FSt))-based graded-index plastic optical fiber (GI POF) is fabricated, and its properties are compared with those of a PSt-based GI POF. The para-fluorine substitution positively affects the glass transition temperature (Tg) of the core, wavelength dispersion of the optimum refractive index profile, bandwidth, and attenuation. The core Tg of the P(p-FSt)-based GI POF is 88 °C, which is higher than that of the PSt-based GI POF by 9 °C when both fibers have an identical numerical aperture (NA = 0.2). The optimum refractive index profile coefficient for the P(p-FSt)-based GI POF varies from 2.2 to 2.1 in the 600-800 nm range, whereas that for the PSt-based GI POF varies from 2.6 to 2.3 in the same wavelength region. The bandwidth of the P(p-FSt)-based GI POF is intrinsically higher than that of PSt-based GI POF. Moreover, the fiber attenuation of the P(p-FSt)-based GI POF was significantly smaller than that of the PSt-based GI POF over the source wavelength range. Our study demonstrates that P(p-FSt) has favorable properties as a GI POF base material.

Original languageEnglish
Pages (from-to)143-147
Number of pages5
JournalOptical Materials
Volume39
DOIs
Publication statusPublished - 2015 Jan 1

Fingerprint

Gradient index optics
Plastic optical fibers
Fluorine
plastic fibers
Polystyrenes
Fiber optics
fluorine
fiber optics
polystyrene
optical fibers
gradients
Wavelength
Refractive index
attenuation
wavelengths
Bandwidth
refractivity
bandwidth
Fibers
fibers

Keywords

  • Attenuation
  • Bandwidth
  • Graded-index plastic optical fiber
  • Poly(p-fluorostyrene)
  • Polystyrene
  • Refractive index profile

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics
  • Computer Science(all)

Cite this

Effects of para-fluorine substituent of polystyrene on gradient-index fiber-optic properties. / Koike, Kotaro; Suzuki, Akifumi; Makino, Kenji; Koike, Yasuhiro.

In: Optical Materials, Vol. 39, 01.01.2015, p. 143-147.

Research output: Contribution to journalArticle

Koike, Kotaro ; Suzuki, Akifumi ; Makino, Kenji ; Koike, Yasuhiro. / Effects of para-fluorine substituent of polystyrene on gradient-index fiber-optic properties. In: Optical Materials. 2015 ; Vol. 39. pp. 143-147.
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