Phosphorus-Containing Poly (Arylene Ether)s as Second Order Nonlinear Optical Materials

1993 ◽  
Vol 328 ◽  
Author(s):  
Duane B. Priddy ◽  
C. Y. Stacey Fu ◽  
Timothy L. Pickering ◽  
Hilary S. Lackritz ◽  
James E. Mcgrath
Keyword(s):  
Thermal Stability ◽  
Optical Materials ◽  
Nonlinear Optical ◽  
Second Order ◽  
Nonlinear Optical Materials ◽  
Polymer Backbone ◽  
Polymeric Systems ◽  
Arylene Ether ◽  
Phosphorus Containing ◽  
Nlo Chromophores

ABSTRACTPoly (arylene ether)s can be designed to be amorphous, optically clear materials with excellent hydrolytic and thermal stability as well as good electrical, Mechanical and fire resistant properties. As a result, the use of these macromolecules in second order nonlinear optical (NLO) applications are being investigated. Typically, polymeric systems with doped chromophores result in a signigicant decrease in Tg. Methods were investigated to functionalize the polymer backbone with NLO chromophores, resulting in increased Tg.

Ultra-High-Tg Chromophoric Polyimides and Polyureas as High-Performance Nonlinear Optical Materials

1995 ◽  
Vol 413 ◽  
Author(s):  
Lifeng Geng ◽  
Jiafu Wang ◽  
Tobin J. Marks ◽  
Weiping Lin ◽  
Haitian Zhou ◽  
...  
Keyword(s):  
Optical Materials ◽  
High Performance ◽  
Nonlinear Optical ◽  
Second Order ◽  
Nonlinear Optical Materials ◽  
Careful Attention ◽  
Nlo Materials ◽  
Nlo Chromophores ◽  
Diallylbisphenol A ◽  
Aging In Air

ABSTRACTThree approaches to the construction of high-Tg polyimides and polyureas as second-order NLO materials are discussed. In the first approach, copolymerization of bismaleimides with o,o‚-diallylbisphenol-A followed by functionalization with high-β NLO chromophores using a Mitsunobu procedure yields, after poling and curing, a series of heavily crosslinked chromophoric polyimides with Tg values as high as 320°C and partially resonant χ(2) responses as high as 1.0×10-7 esu (42 pm/V at 1064 nm, 1.17 eV). In the second two approaches, copolymerization of the chromophore 4,5-bis(4‚-aminophenyl)-2-(4„- nitrophenyl)imidazole with bismaleimides or diisocyanates yields polyimides and polyureas with Tg values as high as 292°C and partially resonant χ(2)values as high as 0.62× 10-7 esu(25 pm/V at 1064 nm). It is found that careful attention to the details of curing and crosslinking during poling results in NLO- active matrices exhibiting negligible decay in ( on aging in air at 100°C for periods of 1,000-4,000 h. The imidazole based materials exhibit only about 10% χ(2) decay on aging for 100 h at 200°C under N2.

Noncentrosymmetric Triazolephthalocyanines as Second-Order Nonlinear Optical Materials

2000 ◽  
Vol 104 (18) ◽  
pp. 4295-4299 ◽  
Author(s):  
Gema Rojo ◽  
Fernando Agulló-López ◽  
Beatriz Cabezón ◽  
Tomás Torres ◽  
Sophie Brasselet ◽  
...  
Keyword(s):  
Optical Materials ◽  
Nonlinear Optical ◽  
Second Order ◽  
Nonlinear Optical Materials

Thermoset Second-Order Nonlinear Optical Materials from a Trifunctionalized Chromophore

1998 ◽  
pp. 288-294
Author(s):  
Youn Soo RA ◽  
Shane S. H. Mao ◽  
Bo Wu ◽  
Lan Guo ◽  
Larry R. Dalton ◽  
...  
Keyword(s):  
Optical Materials ◽  
Nonlinear Optical ◽  
Second Order ◽  
Nonlinear Optical Materials

Exploration of new second-order nonlinear optical materials of the Cs–Hg–Br–I system

2014 ◽  
Vol 43 (23) ◽  
pp. 8899-8904 ◽  
Author(s):  
Qi Wu ◽  
Yin Huang ◽  
Xianggao Meng ◽  
Cheng Zhong ◽  
Xingguo Chen ◽  
...  
Keyword(s):  
Optical Properties ◽  
Band Gap ◽  
Optical Materials ◽  
Nonlinear Optical ◽  
Second Order ◽  
Nonlinear Optical Properties ◽  
Nonlinear Optical Materials ◽  
System P

A new compound, Cs2Hg2Br2I4·H2O, was synthesized to achieve a better balance between nonlinear optical properties and its band gap.

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