Investigation on the effect of beam divergence angle upon output waveform based on stimulated Brillouin scattering optical limiting

2009 ◽  
Vol 18 (7) ◽  
pp. 2835-2838
Author(s):  
Hasi Wu-Li-Ji ◽  
Lu Huan-Huan ◽  
Gong Sheng ◽  
Fu Mei-Ling ◽  
Lü Zhi-Wei ◽  
...  
Keyword(s):  
Brillouin Scattering ◽  
Stimulated Brillouin Scattering ◽  
Optical Limiting ◽  
Beam Divergence ◽  
Divergence Angle ◽  
Output Waveform ◽  
Stimulated Brillouin ◽  
Beam Divergence Angle

scholarly journals Measurement of stimulated Brillouin scattering threshold by the optical limiting of pump output energy

2010 ◽  
Vol 28 (1) ◽  
pp. 179-184 ◽  
Author(s):  
W. Gao ◽  
Z.W. Lu ◽  
S.Y. Wang ◽  
W.M. He ◽  
W.L.J. Hasi
Keyword(s):  
Energy Characteristic ◽  
Brillouin Scattering ◽  
Stimulated Brillouin Scattering ◽  
Optical Limiting ◽  
Intersection Point ◽  
Output Energy ◽  
Interaction Length ◽  
New Approach ◽  
Pump Output ◽  
Stimulated Brillouin

AbstractA new approach to measure stimulated Brillouin scattering threshold based on the output energy characteristic of stimulated Brillouin scattering optical limiting is proposed. The stimulated Brillouin scattering threshold or its exponential gain, Gth, can be accurately and conveniently determined by the intersection point of linear-fitting lines of the output energy below and above the threshold. The values of Gth in CS2 and FC-72 for different wavelengths and interaction lengths are measured in Continuum's Nd:YAG Q-switched laser and its frequency-doubled system. We show that Gth for transient regime is larger than that for steady state, and increases with the pump wavelength and the interaction length.

scholarly journals Generation of flat-top waveform by double optical limiting based on stimulated Brillouin scattering

2006 ◽  
Vol 14 (12) ◽  
pp. 5497 ◽  
Author(s):  
Z. W. Lu ◽  
W. L. J. Hasi ◽  
H. P. Gong ◽  
Q. Li ◽  
W. M. He
Keyword(s):  
Brillouin Scattering ◽  
Stimulated Brillouin Scattering ◽  
Optical Limiting ◽  
Stimulated Brillouin

scholarly journals Investigation of optical limiting based on the combination of stimulated Brillouin scattering and metal-phthalocyanine complexes

2011 ◽  
Vol 60 (10) ◽  
pp. 104212
Author(s):  
Hasi Wu-Li ◽  
Geng Xi-Zhao ◽  
Jin Chao-Ying ◽  
Fan Rui-Qing ◽  
Lin Dian-Yang ◽  
...  
Keyword(s):  
Brillouin Scattering ◽  
Stimulated Brillouin Scattering ◽  
Optical Limiting ◽  
Metal Phthalocyanine ◽  
Stimulated Brillouin

Improved output energy characteristic of optical limiting based on double stimulated Brillouin scattering

2009 ◽  
Vol 95 (4) ◽  
pp. 711-714 ◽  
Author(s):  
W. L. J. Hasi ◽  
Z. W. Lu ◽  
M. L. Fu ◽  
H. H. Lu ◽  
S. Gong ◽  
...  
Keyword(s):  
Energy Characteristic ◽  
Brillouin Scattering ◽  
Stimulated Brillouin Scattering ◽  
Optical Limiting ◽  
Output Energy ◽  
Stimulated Brillouin

scholarly journals Investigation of optical limiting based on the combination of stimulated Brillouin scattering and carbon nanotube/HT-270 suspension

2009 ◽  
Vol 27 (3) ◽  
pp. 533-536 ◽  
Author(s):  
W.L.J. Hasi ◽  
Z.W. Lu ◽  
M.L. Fu ◽  
H.H. Lu ◽  
S. Gong ◽  
...  
Keyword(s):  
Carbon Nanotube ◽  
Brillouin Scattering ◽  
Focal Length ◽  
Hybrid Approach ◽  
Pump Energy ◽  
Stimulated Brillouin Scattering ◽  
Optical Limiting ◽  
Gain Coefficient ◽  
Output Energy ◽  
Stimulated Brillouin

AbstractIn order to improve the optical limiting performance based on stimulated Brillouin scattering (SBS), a combination of SBS and carbon nanotube/HT-270 suspension for optical limiting is proposed in this paper. The dependence of output energy of optical limiting based on this hybrid approach on the pump energy is numerically simulated, and validated in Continuum's Nd: YAG seed-injected laser. The results indicate that the output energy based on this hybrid approach shows much better performance compared with that based on single SBS. In this approach, the SBS threshold can be controlled by adjusting the gain coefficient of medium and focal length of the lens, and the threshold of suspension can be controlled by altering the concentration and focal length of the lens, therefore, this hybrid approach to realize optical limiting has great potential in practical application.

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