Determination of spectroscopic parameters of non-linear absorbers by bleaching-effect dynamics analysis

Z. Mierczyk

doi:10.1117/12.2316094

1 September 1996 Determination of spectroscopic parameters of non-linear absorbers by bleaching-effect dynamics analysis

Z. Mierczyk

Author Affiliations +

Proceedings Volume 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology; 2778B9 (1996) https://doi.org/10.1117/12.2316094
Event: 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 1996, Taejon, Korea, Republic of

Abstract

The paper presents the results of investigations of spectroscopic parameters of three saturable absorbers utilized in 1.06 ptm laser systems: foil with BDN dye, LiF with colour centers and YAG:Cr⁴⁺. The kinetics of absorber bleaching can be described by a two level quantum model. The nonsaturable component of the absorption coefficient, absorption cross-section, active centers concentration, excited state lifetime and energy consumed for bleaching effect have been estimated. Investigations of YAG:Cr⁴⁺ spectroscopic properties, and measurements of absorption and luminescence bands, allow the estimation of chromium ion concentration at particular charging state and positions in YAG crystalline structure and allow also to determine their mutual relations and influence of these relations on the non-linear properties of absorber.

Citation Download Citation

Z. Mierczyk "Determination of spectroscopic parameters of non-linear absorbers by bleaching-effect dynamics analysis", Proc. SPIE 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 2778B9 (1 September 1996); https://doi.org/10.1117/12.2316094

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