Laser spectroscopy of optical centers in borosilicophosphate glass, coactivated by erbium and ytterbium ions

Bogdanovich, M. V.; Enzhievskiĭ, A. I.; Ryabtsev, G. I.; Kuznetsova, V. V.; Mashko, V. V.; Teplyashin, L. L.; Буров, Л. И.; Ryabtsev, A. N.; Щемелев, М. А.; Kraskovskii, A. S.

doi:10.1007/s10812-006-0115-z

J Appl Spectrosc

2006

DOI: 10.1007/s10812-006-0115-z

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Laser spectroscopy of optical centers in borosilicophosphate glass, coactivated by erbium and ytterbium ions

M. V. Bogdanovich

A. I. Enzhievskiĭ

G. I. Ryabtsev

et al.

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2009

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“…The positions of peaks A (1535 nm) and B (1543) in the calculated gain cross-section spectrum of Er,Yb:BSPG with inverse population level 0.7 were similar to those of the two groups of generation lines recorded in emission spectra of an Er laser with transverse diode pumping in which Er,Yb:BSPG was used as the active medium [16,17] (Fig. 5).…”

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Spectroscopic characteristics of erbiumand ytterbium-activated laser media

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UDC 535. 37:621.373.826 Judd-Ofelt parameters (Ω 2 = 5.09⋅10 -20 , Ω 4 = 0.92⋅10 -20 , and Ω 6 = 0.63⋅10 -20 cm 2 ) and oscillator strengths of fundamental optical transitions involved in lasing at wavelength 1.54 μm have been calculated for borosilicophosphate glass co-activated with Er 3+ and Tb 3+ ions based on experimental luminescence and absorption spectra and refractive indices. The results were used to determine the emission (6⋅10 -23 cm 2 ) and absorption (5⋅10 -21 cm 2 ) cross sections for λ = 1.54 μm and the gain cross section as a function of inverse population levels.Introduction. Modeling of power and kinetic characteristics of solid-state lasers with diode pumping in which new active media are used requires accurate knowledge of parameters such as the emission cross section, excited state lifetime, spontaneous emission probability, etc. One method for determining these quantities is based on an analysis of experimental results using the Judd-Ofelt formalism [1]. This approach is highly regarded for investigating the characteristics of many laser media activated by rare-earth ions [2].The goal of our work was to establish spectroscopic parameters (Judd-Ofelt intensity parameters, oscillator strengths of fundamental optical transitions, emission, absorption, and gain cross sections, etc.) that determine the lasing characteristics of borosilicophosphate glass (BSPG) co-activated with Er and Yb ions, which is widely used in solid-state lasers with diode pumping that emit in a spectral range that is safe for eyes.Experimental and Determination of Spectroscopic Characteristics. BSPG co-activated with Er and Yb ions (Prokhorov IOP, RAS [3]), which is widely used as the lasing element in solid-state lasers emitting in a spectral range that is safe for eyes (λ ≈ 1.54 μm), was studied experimentally. The concentrations of Er 3+ and Yb 3+ ions were 5⋅10

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Spectroscopic characteristics of erbiumand ytterbium-activated laser media

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Laser spectroscopy of optical centers in borosilicophosphate glass, coactivated by erbium and ytterbium ions

Cited by 1 publication

References 7 publications

Spectroscopic characteristics of erbiumand ytterbium-activated laser media

Spectroscopic characteristics of erbiumand ytterbium-activated laser media

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