| Issue |
J. Eur. Opt. Soc.-Rapid Publ.
Volume 3, 2008
|
|
|---|---|---|
| Article Number | 08031 | |
| Number of page(s) | 5 | |
| DOI | https://doi.org/10.2971/jeos.2008.08031 | |
| Published online | 18 September 2008 | |
Regular papers
High-temperature type IIa gratings in 12-ring photonic crystal fibre with germanosilicate core
1
Interdisciplinary Photonics Laboratories, School of Chemistry, University of Sydney, NSW 1430 Australia
2
Federal University of Technology – Parana, Av. Sete de Setembro, 3165, Curitiba, Brazil, 80.230-901
Received:
31
July
2008
The inscription of efficient Bragg gratings (> 20 dB) in 12-ring photonic crystal fibre with a germanosilicate doped core without the need for hydrogen loading using 193 nm is demonstrated. We show the characteristic rollover from type I grating to type IIa – the first observation of a type IIa grating in structured optical fibre. The type IIa grating is shown to survive up to 700°C before any degradation in transmission or reflection takes place.
Key words: Bragg gratings / Photonic crystal fibres
© The Author(s) 2008. All rights reserved.
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