Abstract
Saturable absorption (SA) of film composites based on carboxymethylcellulose (CMC) polymer with single-walled carbon nanotubes (SWNTs) and graphene (GR) was studied by the Z-and P-scan methods with femtosecond probing pulses at a wavelength of 1.06μm. The values of the saturation intensities for composites GR-CMC and SWNT-CMC were determined. The optical and thermal damage thresholds of the composites were measured. Q-switching stability limits for passive mode locking in fiber laser with SWNT-CMC SA were analyzed.
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