Wavelength drift of PMMA-based optical fiber bragg grating induced by optical absorption

Wei Zhang, Ada Abang, David J. Webb, Gang-Ding Peng

Research output: Contribution to journalArticlepeer-review

Abstract

The transmission loss in polymer optical fiber (POF) is much higher than that in silica fiber. Very strong absorption bands dominate throughout the visible and near infrared. Optical absorption increases the internal temperature of the polymer fiber and reduces the wavelength of any POF Bragg grating (POFBG) inscribed within the fiber. In this letter, we have investigated the wavelength drift of FBGs inscribed in poly(methyl methacrylate)-based fiber under illumination at different wavelengths. The experiments have shown that the characteristic wavelength of such a POFBG starts decreasing after a light source is applied to it. This decrease continues until equilibrium inside the fiber is established, depending on the surrounding humidity, optical power applied, and operation wavelength.

Original languageEnglish
Pages (from-to)336-339
Number of pages4
JournalIEEE Photonics Technology Letters
Volume27
Issue number4
Early online date4 Dec 2014
DOIs
Publication statusPublished - 15 Feb 2015

Bibliographical note

© 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

Keywords

  • fiber bragg gratings
  • humidity dependence
  • photothermal effects polymer optical fiber

Fingerprint

Dive into the research topics of 'Wavelength drift of PMMA-based optical fiber bragg grating induced by optical absorption'. Together they form a unique fingerprint.

Cite this