Erbium and Al2O3 nanocrystals-doped silica optical fibers

• Autorzy: Kasik I. , Podrazky O. , Mrazek J. , Cajzl J. , Aubrecht J. , Probostova J. , Peterka P. , Honzatko P. , Dhar A.

Identyfikatory

DOI

10.2478/bpasts-2014-0070

• Języki publikacji: EN

Abstrakty

EN

Fibre lasers and inherently rare-earth-doped optical fibers nowadays pass through a new period of their progress aiming at high efficiency of systems and their high power. In this paper, we deal with the preparation of silica fibers doped with erbium and Al2O3 nanocrystals and the characterization of their optical properties. The fibers were prepared by the extended Modified Chemical Vapor Deposition (MCVD) method from starting chlorides or oxide nanopowders. Conventional as well as modified approaches led to a nanocrystalline mullite phase formation in the fiber cores in which erbium is dissolved. The proposed modified approach based on starting nanopowders led to improved geometry of preforms and fibers and consequently to the improvement of their background attenuation. Such nanocrystal -doped fibers can be used for ASE sources. Further improvement of fiber optical properties can be expected.

Słowa kluczowe

EN

optical fibers; nanocrystals; rare-earth doping; luminescence

PL

włókna optyczne; nanokryształy; doping ziem rzadkich; luminescencja

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2014
• Tom: Vol. 62, nr 4
• Strony: 641--646
• Opis fizyczny: Bibliogr. 27, rys., wykr.

Twórcy

autor

Kasik I.

• Institute of Photonics and Electronics of the ASCR, 57 Chaberska St., 18251, Prague 8, CR

autor

Podrazky O.

• Institute of Photonics and Electronics of the ASCR, 57 Chaberska St., 18251, Prague 8, CR

autor

Mrazek J.

• Institute of Photonics and Electronics of the ASCR, 57 Chaberska St., 18251, Prague 8, CR

autor

Cajzl J.

• Institute of Photonics and Electronics of the ASCR, 57 Chaberska St., 18251, Prague 8, CR

autor

Aubrecht J.

• Institute of Photonics and Electronics of the ASCR, 57 Chaberska St., 18251, Prague 8, CR

autor

Probostova J.

• Institute of Photonics and Electronics of the ASCR, 57 Chaberska St., 18251, Prague 8, CR

autor

Peterka P.

• Institute of Photonics and Electronics of the ASCR, 57 Chaberska St., 18251, Prague 8, CR

autor

Honzatko P.

• Institute of Photonics and Electronics of the ASCR, 57 Chaberska St., 18251, Prague 8, CR

autor

Dhar A.

• Central Glass and Ceramics Research Institute, 196 Raja Mullick Rd., Kolkata, 700032, India

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