Nonlinear optical absorption of antimony and lead oxyhalide glasses

de Araujo, Renato E.; de Araújo, Cid B.; Poirier, Gäel; Poulain, Marcel; Messaddeq, Younes
December 2002
Applied Physics Letters;12/16/2002, Vol. 81 Issue 25, p4694
Academic Journal
Nonlinear optical properties and optical limiting behavior of antimony and lead oxyhalide glasses were studied using laser pulses of 80 ps at 532 nm. The standard Z-scan technique was used to determine large nonlinear absorption coefficients which range from 11 to 20 cm/GW, using intensities of 100 MW/cm². Photodarkening was observed when intensities larger than ≈200 MW/cm² were incident on the samples.


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