Design criteria in fibre-coupled end-pumpedlaser with small active medium

F Hajiesmaeilbaigi; A Koohian; M Mahdizadeh

doi:10.1088/1464-4258/4/1/309

Journal of Optics A: Pure and Applied Optics

Design criteria in fibre-coupled end-pumped laser with small active medium

F Hajiesmaeilbaigi¹, A Koohian² and M Mahdizadeh¹

Published 22 November 2001 • Published under licence by IOP Publishing Ltd
Journal of Optics A: Pure and Applied Optics, Volume 4, Number 1 Citation F Hajiesmaeilbaigi et al 2002 J. Opt. A: Pure Appl. Opt. 4 52 DOI 10.1088/1464-4258/4/1/309

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¹ Solid State Laser Department, Laser Research Centre, Tehran, Islamic Republic of Iran

² Department of Physics, Tehran University, Tehran, Islamic Republic of Iran

Dates

Received 16 March 2001
Published 22 November 2001

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Abstract

Under the condition of minimum average pump-spot sizes analytical expressions have been derived for the mode size and maximum output efficiency by including the effect of pump-beam quality, length and properties of the active medium. These expressions provide a straightforward procedure to design fibre-coupled laser diode end-pumped lasers with small active medium.

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