Nonlinear refraction and absorption activity of dimethylaminostyryl substituted BODIPY dyes
Résumé
Optical and nonlinear optical properties of difluoroboradiazaindacene (BODIPY) models with attached dimethylaminostyryl substituents were studied. The optical absorption and fluorescence emission of BODIPY compounds were found to be dependent on the number of dimethylaminostyryl substituents. In order to investigate the nonlinear refraction and absorption activity, the Z-scan technique was used employing a laser generating a wavelength at 532 nm with 30 ps pulse duration. The studied dimethylaminostyryl containing BODIPY compounds showed considerable nonlinear refraction and reverse saturable absorption. The BODIPY containing a pair of dimethylaminostyryl substituents demonstrated an increased third order nonlinear optical response mostly due to the extension of its conjugated length. © 2016 The Royal Society of Chemistry.
Mots clés
Fluorescence emission
Conjugated length
Absorption activity
Non-linear optical properties
Non-linear refraction
Electromagnetic wave absorption
Light absorption
Optical properties
Organic polymers
Refraction
Ultrashort pulses
Reverse saturable absorption
Third-order nonlinear optical
Z-scan technique
Nonlinear optics