Molecular mobility studies of dye-doped polymers below and above room temperature using second-harmonic generation

1993 ◽  
Author(s):  
Fassil Ghebremichael ◽  
Mark G. Kuzyk ◽  
Carl W. Dirk
Keyword(s):  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Molecular Mobility ◽  
Room Temperature ◽  
Second Harmonic ◽  
Mobility Studies ◽  
Doped Polymers

DEPENDENCE OF SECOND HARMONIC GENERATION ON SIZE OF NANOCRYSTALLITES OF ZnO

2001 ◽  
Vol 15 (15) ◽  
pp. 515-521 ◽  
Author(s):  
ANIRBAN MITRA ◽  
RAJ K. THAREJA
Keyword(s):  
Grain Size ◽  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Room Temperature ◽  
Second Harmonic ◽  
Pulsed Laser ◽  
Laser Deposition ◽  
Zno Thin Films ◽  
Deposition Technique ◽  
Ambient Oxygen

We report second harmonic generation (SHG) from ZnO thin films deposited by the pulsed laser deposition technique at ambient oxygen pressures ranging from 10 mTorr to 1 Torr on glass substrate at room temperature (RT). The dependence of SHG on grain size and thickness of the film is discussed.

Room Temperature 1.06-0.53 μm Second Harmonic Generation with MgO:LiNbO 3

1991 ◽  
Vol 8 (6) ◽  
pp. 290-291
Author(s):  
Yao Jianquan ◽  
Shi Weiqiang ◽  
Millerd J E ◽  
Xu Guangfeng ◽  
Garmire E ◽  
...  
Keyword(s):  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Room Temperature ◽  
Second Harmonic

All-Optical Poling Properties of the Host-Guest Adulterant Thin-Films

2011 ◽  
Vol 217-218 ◽  
pp. 549-554
Author(s):  
Xue Xi Gao ◽  
Wen Jun Wang ◽  
Yun Long Liu ◽  
Yun Li
Keyword(s):  
Thin Films ◽  
Light Intensity ◽  
Second Harmonic Generation ◽  
Harmonic Generation ◽  
Room Temperature ◽  
Second Harmonic ◽  
Harmonic Signal ◽  
Poling Temperature ◽  
All Optical ◽  
Second Harmonic Signal

The poling conditions were studied in AOP process by second harmonic generation (SHG) for host-guest adulterant thin-films. The guest was 4’-Nitro-4-dimethylaminoazobenzene and host was PMMA. The experimental results showed that the optimal poling temperature was about room temperature, the optimal ratio of light intensity of fundamental signal (ω) and its second harmonic signal (2ω) during AOP was approximately 100, the thin films had the same rule that the saturated value of SHG depended on the ratio. In addition, we obtained a suitable thickness around 2200nm that the stronger SHG after poling was generated.

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