Monte Carlo statistical mechanical simulations of the competition of intermoleular electrostatic and poling-field interactions in defining macroscopic electro-optic activity for organic chromophore/polymer materials

Journal of Physical Chemistry A

Volumn 104, Issue 20, 2000, Pages 4785-4795

  Robinson, B H ^a   Dalton, L R ^a  

^a UNIVERSITY OF WASHINGTON   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

APPROXIMATION THEORY; CHEMICAL MODIFICATION; COMPUTER SIMULATION; DATA PROCESSING; ELECTRIC FIELDS; ELECTRONIC STRUCTURE; ELECTROOPTICAL EFFECTS; ELECTROSTATICS; MONTE CARLO METHODS; NONLINEAR OPTICS; PERMITTIVITY; POLYMERS;

ELECTRO-OPTIC ACTIVITY;

CHROMOPHORES;

EID: 0033749157     PISSN: 10895639     EISSN: None     Source Type: Journal    
DOI: 10.1021/jp993873s     Document Type: Article

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61. J. G. Grote, U.S. Air Force Research Laboratory (AFRL/MLPO), Wright-Patterson Air Force Base, Dayon, OH. Private communication. Use of conducting cladding layers effectively reduces the electrode gap to that of the active poling layer while providing isolation of the active material from the metal electrodes. Such (cladding layer) isolation of the active electro-optic layer from metal electrodes is important for avoiding high optical loss from propagating light seeing the active device electrode (which may or may not be the poling electrode) and from material damage of the active electro-optic layer due to high fields associated with needlelike areas existing over the electrode surface. Use of conducting cladding layers permits an increase of the effective poling field felt by the chromophores of the active layer. For the CLD/PMMA composite material of Figure 1, use of an active cladding layer improves the maximum achievable electro-optic coefficient by approximately 10-15 pm/V.