Investigation of third-order nonlinear and optical power limiting properties of terphenyl derivatives

2014 ◽  
Vol 56 ◽  
pp. 425-429 ◽  
Author(s):  
Laxminarayana Kamath ◽  
K.B. Manjunatha ◽  
Seetharam Shettigar ◽  
G. Umesh ◽  
B. Narayana ◽  
...  
Keyword(s):  
Optical Power ◽  
Third Order ◽  
Optical Power Limiting

New organic nonlinear optical materials: dithienylethylenes

2001 ◽  
Vol 708 ◽  
Author(s):  
B. Sahraoui ◽  
K.J. Pluciński ◽  
I. V. Kityk ◽  
B. Paci ◽  
P. Baldeck ◽  
...  
Keyword(s):  
Optical Materials ◽  
Optical Power ◽  
Laser Pulses ◽  
Visible Range ◽  
Nanosecond Laser ◽  
Wave Mixing ◽  
Third Order ◽  
Nanosecond Laser Pulses ◽  
Optical Power Limiting ◽  
532 Nm

ABSTRACTMeasurements of the third-order susceptibilities of new dithienylethylenes in solutions using a degenerate four wave mixing technique at λ=532 nm in picosecond regime were made. From these measurements we deduced the second order hyperpolarizabilities. Optical power limiting properties of the mentioned compounds using nanosecond laser pulses in the visible range are evaluated. The dispersion of nonlinear absorption coefficients is obtained. The appropriate quantum chemical calculations are carried out.

The design of Optical Limiters Based on the Formation of Bipolaron-Like Dications

1997 ◽  
Vol 479 ◽  
Author(s):  
Charles W. Spangler ◽  
Mingqian He
Keyword(s):  
Conjugated Polymers ◽  
Optical Power ◽  
Design Strategy ◽  
New Materials ◽  
Considerable Effort ◽  
Third Order ◽  
The Past ◽  
Optical Limiters ◽  
Optical Power Limiting ◽  
Absorption Characteristics

AbstractDuring the past decade, there has been considerable effort in the design of new materials with greatly enhanced nonlinear absorption characteristics. In recent years, it has been shown that incorporation of bipolaronic charges in the pi-electron sequence in conjugated polymers or copolymers leads to enhanced third-order nonlinear optical properties. In this current study a design strategy for the synthesis of optical power limiting copolymers is presented whose properties are based on the photogeneration of stable bipolaron-like dications.

Silole-containing linear and hyperbranched polymers: synthesis, thermal stability, light emission, nano-dimensional aggregation, and optical power limiting

2003 ◽  
Vol 196 (1) ◽  
pp. 289-300 ◽  
Author(s):  
Jacky Wing Yip Lam ◽  
Junwu Chen ◽  
Charles Chi Wang Law ◽  
Han Peng ◽  
Zhiliang Xie ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Light Emission ◽  
Optical Power ◽  
Hyperbranched Polymers ◽  
Optical Power Limiting

Optical power limiting of fullerenes

1994 ◽  
Vol 64 (21) ◽  
pp. 2785-2787 ◽  
Author(s):  
J. E. Wray ◽  
K. C. Liu ◽  
C. H. Chen ◽  
W. R. Garrett ◽  
M. G. Payne ◽  
...  
Keyword(s):  
Optical Power ◽  
Optical Power Limiting
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