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Third-order optical nonlinearities of tetrakis-n-pentoxy carbonyl metallo-naphthalocyanines

โœ Scribed by Hari Singh Nalwa; Atsushi Kakuta; Akio Mukoh

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
460 KB
Volume
203
Category
Article
ISSN
0009-2614

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โœฆ Synopsis

Third-order nonlinear optical susceptibilities x (3) of tetrakis-n-pentoxy-carbonyl ( COO-C5HII ) naphthalocyanines containing central metal atom oxovanadium (VO), copper (Cu), zinc (Zn), palladium (Pd), and nickel (Ni) were measured by the thirdharmonic generation (THG) technique. The metal atom substitution influences the third-order nonlinear optical susceptibility but the variation is less dramatic; oxovanadium cation was found to be the most effective. The order of x"' ( -3~; w, w, w) at

2.1 Brn wavelength was VONc> CuNoZnNo

NiNc> PdNc. The,$31(-3w; o, w, w) for VONc is 8.6 x lo-" esu, more than an order of magnitude larger than those of CuNc, ZnNc, PdNc, and NiNc compounds. A comparative study of optical and nonlinear optical properties of processable metallo-naphthalocyanines is presented.

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