Concentration quenching in an Er-doped phosphate glass for compact optical lasers and amplifiers
نویسندگان
چکیده
In this paper, highly (up to 5.25 mol% Er2O3) Er-doped phosphate bulk glasses were synthesized by conventional melt-quenching method and their physical, thermal and spectroscopic properties are reported. The influence of Er doping concentration on emission spectra and lifetimes was investigated in order to study the concentration quenching effect on luminescence performance and therefore to evaluate the most suitable rare earth content for developing compact fiber fibre laser and optical amplifier operating at 1.5 μm. A radiative lifetime and a quenching concentration equal to τ0 = 7.05 ms and N0 = 9.92 × 10 ions/cm were respectively calculated by fitting the fluorescence lifetime experimental data with Auzel’s limited diffusion model.
منابع مشابه
Enhanced luminescence of Er+3-doped Zinc-Lead-Phosphate Glass embedded SnO2 nanoparticles
Introduction of the nanoparticles in the bulk glass received a large interest due to their versatile application. The composition of Er+3-doped Zinc-Lead-Phosphate glass samples are prepared by melt-quenching technique. The structural and optical properties of phosphate glass have been examined by x-ray diffraction, fie...
متن کاملOptical properties of spin-coated Er-doped Ga1As39S60 Chalcogenide thin films
Spin-coating of Chalcogenide glasses is a cost-effective and flexible method to produce thin films applicable in photonics. In this paper Er was doped into Ga1As39S60 glass by melt quenching technique and solutions for spin coating were prepared from glass powders dissolved in Propylamine and Ethylendiamine. Substrates used were microscopic slides (refractive index of about 1.51). Applied layer...
متن کاملHighly Doped Phosphate Glass Fibers for Compact Lasers and Amplifiers: A Review
In recent years, the exploitation of compact laser sources and amplifiers in fiber form has found extensive applications in industrial and scientific fields. The fiber format offers compactness, high beam quality through single-mode regime and excellent heat dissipation, thus leading to high laser reliability and long-term stability. The realization of devices based on this technology requires ...
متن کاملExciton–erbium interactions in Si nanocrystal-doped SiO2
The presence of silicon nanocrystals in Er doped SiO2 can enhance the effective Er optical absorption cross section by several orders of magnitude due to a strong coupling between quantum confined excitons and Er. This article studies the fundamental processes that determine the potential of Si nanocrystals as sensitizers for use in Er doped waveguide amplifiers or lasers. Silicon nanocrystals ...
متن کاملFluoride Glasses and Planar Optical Waveguides
Fluoride glasses are of great interest for optical applications, as low phonon energy hosts for rare-earth ions. With an increasing need for more compact optical devices that impose higher dopant concentration, research activity has been focused on the fabrication of fluoride glass planar waveguides to produce integrated lasers and optical amplifiers, especially those based on Er3þ-doped glasse...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 2015