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Optical properties and laser performance of some Yb3+, Er3+ and Tm3+-doped silicates

✍ Scribed by J.C. Souriau; R. Romero; C. Borel; Ch. Wyon; C. Li; R. Moncorgé

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
308 KB
Volume
4
Category
Article
ISSN
0925-3467

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✦ Synopsis

This paper reports the main spectroscopic characterizations and laser experiments carried out on two new crystal hosts: the yttrium orthosilicate Y2SiO5 and the silicate oxyapatite SrY4 (SiO4) 30 (hereafter noted SYS ), doped with ytterbium and erbium for a 1.55 ~tm laser emission and with thulium for a 2 pm emission. Four new lasers have been demonstrated at 1.554 ~tm, 1.576 lam, 1.99 p.m and 2.05 ~tm for respectively Yb, Er: SYS; Yb,Er: Y/SiOs; Tm : SYS and Tm : YzSiOs. If for Yb,Er-codoped materials laser performances are still poor compared with the Yb,Er phosphate glass, the Tm-doped materials exhibit laser performances similar to the Tin: YAG and look very promising.

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