Strain Characterization of Suspended-Core Fiber Tapers

• Type: Article in International Conference Proceedings Book
• Date: 2012

Authors

andre, rm (Author) Other; silva, so (Author) Other; becker, m (Author) Other; schuster, k (Author) Other; rothardt, m (Author) Other; bartelt, h (Author) Other; marques, mb (Author) FCUP; frazao, o (Author) Other

Conference proceedings International

Title: MICRO-STRUCTURED AND SPECIALTY OPTICAL FIBRES

Conference on Microstructured and Specialty Optical Fibres

Brussels, BELGIUM, APR 17-19, 2012

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Other information

Authenticus ID: P-002-GD7

DOI: 10.1117/12.922812

Abstract (EN): Suspended core fiber tapers with different cross sections (from 70 mu m to 120 mu m diameter) were produced by filament heating. Before obtaining the taper, the spectral behavior of the suspended core fiber presents multimode interference. When the taper is made an intermodal interference is observed. This effect is clearly visible for high taper reduction. The spectral response of the microtaper inside the suspended core fiber is similar to a beat of two interferometers. The microtaper was subjected to strain, and an increase of sensitivity with the reduction of the transverse area was observed. When the taper was immersed in liquids with different refractive indices or subjected to temperature variations, no spectral change occurred.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 8