dc.contributor | Cidade Universitaria | |
dc.contributor | Universidade Estadual Paulista (Unesp) | |
dc.date.accessioned | 2014-05-27T11:22:00Z | |
dc.date.accessioned | 2022-10-05T18:03:31Z | |
dc.date.available | 2014-05-27T11:22:00Z | |
dc.date.available | 2022-10-05T18:03:31Z | |
dc.date.created | 2014-05-27T11:22:00Z | |
dc.date.issued | 2006-10-16 | |
dc.identifier | Proceedings of SPIE - The International Society for Optical Engineering, v. 6190. | |
dc.identifier | 0277-786X | |
dc.identifier | http://hdl.handle.net/11449/69169 | |
dc.identifier | 10.1117/12.684771 | |
dc.identifier | 2-s2.0-33749569232 | |
dc.identifier.uri | http://repositorioslatinoamericanos.uchile.cl/handle/2250/3918642 | |
dc.description.abstract | The population inversion of the Tm3+ in GLKZ glass involved in the 1470 nm emission (3H4 → 3F 4) as a function of Tb (or Eu) concentration was calculated by computational simulation for a CW laser pumping at 792 nm. These calculations were performed using the experimental Tm→Tb an Tm→Eu transfer rates and the spectroscopic parameters of the Tm (0.1 mol %) system. The result shows that 0.2 mol % (Tb3+) and 0.4 mol % of Eu3+ ions propitiate best population inversion of Tm3+ (0.1 mol %) maximizing the amplification coefficient of germanate (GLKZ) glass when operating as laser intensity amplification at 1470 nm. Besides the effective deactivation of the 3F4 level, the presence of Tb3+ or Eu 3+ ions introduce a depopulation of the 3H4 emitting level by means of a cross relaxation process with Tm3+ ions. In spite of this, the whole effect is verified to be benefic for using Tm-doped GLKZ glass codoped with Tb3+ or Eu3+ as a suitable material for confectioning optical amplifiers that operates in the S-band for telecommunication. | |
dc.language | eng | |
dc.relation | Proceedings of SPIE - The International Society for Optical Engineering | |
dc.rights | Acesso aberto | |
dc.source | Scopus | |
dc.subject | Germanate glasses | |
dc.subject | Laser intensity amplification | |
dc.subject | Population inversion | |
dc.subject | Spectroscopic parameters | |
dc.subject | Computer simulation | |
dc.subject | Continuous wave lasers | |
dc.subject | Doping (additives) | |
dc.subject | Germanium compounds | |
dc.subject | Glass | |
dc.subject | Pumping (laser) | |
dc.subject | Light amplifiers | |
dc.title | Effects in the population inversion of3H4 level in Tm, Tm-Tb and Tm-Eu doped germanate glasses for amplifiers applications | |
dc.type | Trabalho apresentado em evento | |