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Problems in the comparison of theoretical and experimental hyperpolarizabilities
Frequently it is useful to compare experimental values of the hyperpolarizabilities β and γ with calculated values. It is also often helpful to compare experimental values of β obtained fromExpand
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Orientational relaxation in electric field poled guest-host and side-chain polymers below Tg
Relaxation of poled order is measured by following the decay of the second harmonic generation signal in a variety of non linear optical polymers with T g s varying from 90°C to 225°C. The non linearExpand
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Calculated Radiationless Transition Rates for Benzene and Deuterobenzene
Radiationless rates have been calculated for the 3B1u↝1A1g transitions of benzene and perdeutero‐benzene as well as for the 1B2u↝1A1g transition of benzene. The rates were calculated using a modelExpand
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Comparison of hyperpolarizabilities obtained with different experimental methods and theoretical techniques
Second- and third-order hyperpolarizabilities that are obtained with various experimental and theoretical techniques are compared. This comparison requires care in the conventions used in definingExpand
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Donor-Embedded Nonlinear Optical Side Chain Polyimides Containing No Flexible Tether: Materials of Exceptional Thermal Stability for Electrooptic Applications
We describe here the preparation and characterization of the first processible nonlinear optical (NLO) polyimide where the chromophore is not incorporated using a flexible tether functionality. TheExpand
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The dynamic properties of the lowest triplet states of pyrazine and pyrimidine in zero magnetic field
The technique of microwave induced delayed phosphorescence has been used to determine the dynamic properties of the lowest triplet states of pyrazine and pyrimidine as guests in benzene host crystalsExpand
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The zeeman effect in the benzene 3B1u state. Evidence for a dynamic pseudo-jahn—teller distortion
Abstract The Zeeman effect in the phosphorescence photoexcitation spectrum of benzene is used to investigate the assignment of the intense vibronic doublet occurring in the 3 B 1u ← 1 A 1g absorptionExpand
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