Z-scan studies and optical limiting in a mode-locking dye

Kumar, G. Ravindra ; Rajgara, F. A. (1995) Z-scan studies and optical limiting in a mode-locking dye Applied Physics Letters, 67 (26). pp. 3871-3873. ISSN 0003-6951

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Official URL: http://apl.aip.org/resource/1/applab/v67/i26/p3871...

Related URL: http://dx.doi.org/10.1063/1.115301


The optical nonlinearity of a mode-locking dye (Kodak 9740) under picosecond excitation at 532 nm, is studied using the Z-scan technique. Theoretical fits to the data give a value of 3.2 cm/GW for the two-photon absorption coefficient (β) and -2.1×10-5 cm2/GW for the real part (γ) of the nonlinearity. In addition, we demonstrate optical limiting using two-photon absorption as well as self-defocusing.

Item Type:Article
Source:Copyright of this article belongs to American Institute of Physics.
Keywords:Absorption Spectra; Dyes; Mode Locking; Nonlinear Optics; Pulsed Lasers; Two-photon Spectra
ID Code:29730
Deposited On:23 Dec 2010 04:58
Last Modified:04 Jun 2011 09:50

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