Photoinduced modifications in fiber gratings inscribed directly by infrared femtosecond irradiation

Amós Martínez; Mykhaylo Dubov; Igor Khrushchev; Ian Bennion

doi:10.1109/LPT.2006.884883

Photoinduced modifications in fiber gratings inscribed directly by infrared femtosecond irradiation

Amós Martínez
, Mykhaylo Dubov
, Igor Khrushchev
, Ian Bennion

Aston Institute of Photonic Technologies (AiPT)

Research output: Contribution to journal › Article › peer-review

70 Citations (Scopus)

Abstract

The structure of fiber Bragg gratings inscribed pointby-point by an infrared femtosecond laser is studied by quantitative phase microscopy. Results show that these gratings present a central region with a depressed refractive index surrounded by an outer corona with increased refractive index. The refractive index profile suggests the presence of microvoids embedded in a region of the core. © 2006 IEEE.

Original language	English
Pages (from-to)	2266-2268
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	18
Issue number	21
DOIs	https://doi.org/10.1109/LPT.2006.884883
Publication status	Published - 1 Nov 2006

Keywords

femtosecond microfabrication
fiber Bragg gratings (FBGs)

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10.1109/LPT.2006.884883

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abstract = "The structure of fiber Bragg gratings inscribed pointby-point by an infrared femtosecond laser is studied by quantitative phase microscopy. Results show that these gratings present a central region with a depressed refractive index surrounded by an outer corona with increased refractive index. The refractive index profile suggests the presence of microvoids embedded in a region of the core. {\textcopyright} 2006 IEEE.",

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AU - Dubov, Mykhaylo

AU - Khrushchev, Igor

AU - Bennion, Ian

PY - 2006/11/1

Y1 - 2006/11/1

N2 - The structure of fiber Bragg gratings inscribed pointby-point by an infrared femtosecond laser is studied by quantitative phase microscopy. Results show that these gratings present a central region with a depressed refractive index surrounded by an outer corona with increased refractive index. The refractive index profile suggests the presence of microvoids embedded in a region of the core. © 2006 IEEE.

AB - The structure of fiber Bragg gratings inscribed pointby-point by an infrared femtosecond laser is studied by quantitative phase microscopy. Results show that these gratings present a central region with a depressed refractive index surrounded by an outer corona with increased refractive index. The refractive index profile suggests the presence of microvoids embedded in a region of the core. © 2006 IEEE.

KW - femtosecond microfabrication

KW - fiber Bragg gratings (FBGs)

UR - https://www.scopus.com/pages/publications/34247142355

UR - http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=1715396

U2 - 10.1109/LPT.2006.884883

DO - 10.1109/LPT.2006.884883

M3 - Article

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EP - 2268

JO - IEEE Photonics Technology Letters

JF - IEEE Photonics Technology Letters

IS - 21

ER -

Photoinduced modifications in fiber gratings inscribed directly by infrared femtosecond irradiation

Abstract

Keywords

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