We study intensity distribution of the light transmitted through a quasi-one dimensional random medium. Markedly non-Rayleigh distribution P(I) is found to be well fitted by the analytical formula of Ref. [1], with a single parameter g'. We show that in the passive random system g' is uniquely related to the dimensionless conductance g. In absorbing or amplifying random media g' becomes a function of two parameters g and la absorption or lg gain length respectively.

© 2004 Optical Society of America

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