Title :
Metallo-diphthalocyanine embedded polymer host for nanosecond optical limiting
Author :
Aneeshkumar, B. ; Gopinath, Pramod ; Radhakrishnan, P. ; Nampoori, V.P.N. ; Vallabhan, C.P.G. ; Thomas, Jayan
Author_Institution :
Int. Sch. of Photonics, Cochin Univ. of Sci. & Technol., India
Abstract :
In this work we present the nanosecond optical limiting of two rare earth metallo-diphthalocyanines, namely Sm(Pc)2 and Eu(Pc)2 in a co-polymer matrix of methyl methacrylate and methyl-2-cyanoacrylate. We have used 9 nanosecond laser pulses at 532 nm from a frequency doubled Nd:YAG laser for the optical limiting measurements. It is found that the presence of metallo-phthalocyanines in the co-polymer matrix reduces its damage threshold.
Keywords :
measurement by laser beam; neodymium; optical harmonic generation; optical limiters; optical polymers; solid lasers; 532 nm; YAG:Nd; YAl5O12:Nd; co-polymer matrix; damage threshold; frequency doubled Nd:YAG laser; metallo-diphthalocyanine embedded polymer; methyl methacrylate; methyl-2-cyanoacrylate; nanosecond laser pulse; optical limiting measurement; Atom optics; Atomic beams; Electromagnetic wave absorption; Inorganic materials; Optical harmonic generation; Optical materials; Optical polymers; Optical saturation; Pulse measurements; Solid state circuits;
Conference_Titel :
Lasers and Electro-Optics Europe, 2003. CLEO/Europe. 2003 Conference on
Print_ISBN :
0-7803-7734-6
DOI :
10.1109/CLEOE.2003.1312288
