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HomeSolid State PhenomenaSolid State Phenomena Vol. 230Investigations of Non-Linear Absorption of...

Investigations of Non-Linear Absorption of Q-Switching Saturable Absorbers and Determination of their Main Parameters

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Abstract:

Investigations of non-linear absorption of q-switching absorbers were carried out. Three types of saturable absorbers were examined (Cr⁴⁺:YAG at the wavelength of 1064 nm, V³⁺:YAG and Co²⁺:YAG at the wavelength of 1332 nm) and their principal parameters were estimated. To appropriately determine these parameters 48 samples of Cr⁴⁺:YAG, 42 samples of V³⁺:YAG and 26 samples of Co²⁺:YAG were investigated making the results more reliable. Three different models of analysis of saturation effect were described and the best one chosen. Using the best model for the analysis the main parameters of the saturable absorbers were determined. On the basis of so many samples the standard deviation of the ground state absorption cross section, the excited state absorption cross section and the unsaturable losses were calculated showing how the value of these parameters may differ even for the same type of crystal.

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Periodical:

Solid State Phenomena (Volume 230)

Pages:

193-198

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.230.193

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Online since:

June 2015

Authors:

Jaroslaw Mlynczak*, Krzysztof Kopczynski, Nabil Belghachem

Keywords:

Co²⁺:YAG, Cr⁴⁺:YAG, Q-Switching Saturable Absorber, V³⁺:YAG

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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