Coherent control of extreme nonlinear optical properties via few-cycle laser pulses with transverse distribution

2010 ◽  
Author(s):  
Shangqing Gong ◽  
Yueping Niu ◽  
Keyu Xia ◽  
Nikolaos Vainos ◽  
Stelios Couris ◽  
...  
Keyword(s):  
Optical Properties ◽  
Nonlinear Optical ◽  
Coherent Control ◽  
Laser Pulses ◽  
Nonlinear Optical Properties ◽  
Transverse Distribution

Effect of Electric Field on Nonlinear Optical Properties of Hydrazone Doped PMMA Films

2012 ◽  
Vol 584 ◽  
pp. 88-91
Author(s):  
N.K. Siji Narendran ◽  
K.R. Reshma ◽  
P. Sudheesh ◽  
K. Chandrasekharan
Keyword(s):  
Optical Properties ◽  
Electric Field ◽  
Nonlinear Optical ◽  
Second Harmonic ◽  
Laser Pulses ◽  
Nonlinear Optical Properties ◽  
Third Order ◽  
Single Beam ◽  
Solution Casting Method ◽  
Order Susceptibility

We report the effect of electric field on third order nonlinear optical properties of Hydrazone (Hz) doped Polymethyl methacrylate (PMMA) films. The films were prepared by solution casting method. Poling of films was done by corona discharge. Single beam Z-scan technique with 7ns Nd: YAG laser pulses at 532nm were employed for the measurements. Third order susceptibility of films was measured with an emphasis on the applied electric field. We also demonstrated the second harmonic generation in the corona poled films.

Nonlinear Optical Properties of Biosilicate Nanocomposite Materials

2013 ◽  
Vol 677 ◽  
pp. 3-8 ◽  
Author(s):  
Dmitriy Proschenko ◽  
Sergey Golik ◽  
Alexey Chekhlenok ◽  
Irina Postnova ◽  
Yuri Shchipunov ◽  
...  
Keyword(s):  
Optical Properties ◽  
Nonlinear Optical ◽  
Spectral Characteristics ◽  
Ultrashort Pulses ◽  
Laser Pulses ◽  
Optical Nonlinearity ◽  
Nanocomposite Materials ◽  
Femtosecond Laser Pulses ◽  
Nonlinear Optical Properties ◽  
Cds Nanoparticles

The transmission of the femtosecond laser pulses by new biosilicate nanocomposite materials has been experimentally investigated. The strong nonlinear optical properties of these nanocomposite structures have been revealed in spectral characteristics of transmitted ultrashort pulses. The shape of transmitted spectrums through new nanocomposite biomaterials demonstrates major changes indicating the broadening with formation a strong anti Stokes component in the output spectrum with generation of supercontinuum spectra. The carried out studies have showed that the optical nonlinearity of new nanocomposite materials can be regulated by trace amounts of Au or CdS nanoparticles.

Third-order nonlinear optical properties of self-assembled thin films containing tetracarboxylic copper phthalocyanine

2009 ◽  
Vol 13 (12) ◽  
pp. 1243-1249 ◽  
Author(s):  
Chunying He ◽  
Guang Shi ◽  
Wubiao Duan ◽  
Yiqun Wu ◽  
Zhimin Chen ◽  
...  
Keyword(s):  
Optical Properties ◽  
Nonlinear Optical ◽  
Copper Phthalocyanine ◽  
Laser Pulses ◽  
Nonlinear Optical Properties ◽  
Intense Laser ◽  
Layer By Layer ◽  
Third Order ◽  
Focusing Effect ◽  
Self Assembled

Films with alternating layers containing anionic tetracarboxylic copper phthalocyanine [ CuPc(COONa)4 ] and cationic polydiallydimethylammonium chloride (PDDA) were fabricated by electrostatic self-assembled layer-by-layer (LBL) technique. The delicate structure of the film was characterized by a series of techniques. The third-order nonlinear optical properties of the film were measured by the Z-scan technique with laser duration of 4 ns and 21 ps at the wavelength of 532 nm. The film exhibited excellent nonlinear absorption and self-focusing effect. The second-order molecular hyperpolarizability γ value of the film was much larger than that of CuPc(COONa)4 aqueous solution under the irradiation of whether ns or ps pulses. A series of damage experiments of the film for the intense laser pulses were conducted to prove the reliability of the experimental results under the conditions.

Study of the nonlinear optical properties and behavior in phenoxy-phthalocyanines liquid at nanosecond laser pulses

2014 ◽  
Vol 37 ◽  
pp. 80-86 ◽  
Author(s):  
Cheng-Bao Yao ◽  
Yun-Dong Zhang ◽  
Jin Li ◽  
Deng-Tai Chen ◽  
Hai-Tao Yin ◽  
...  
Keyword(s):  
Optical Properties ◽  
Nonlinear Optical ◽  
Laser Pulses ◽  
Nonlinear Optical Properties ◽  
Nanosecond Laser ◽  
Nanosecond Laser Pulses ◽  
And Behavior
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