Optical Limiting in a Novel Photonic Material-DNA Biopolymer Functionalized with the Spirulina Natural Dye.

For wavelengths longer than ~1350 nm, there is an increasing trend of absorption until 1600 nm, but the absorption in this region, which includes the 1550 nm wavelength at which the optical limiting is investigated, remains much lower than the absorption peaks from the VIS range.

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