Effect of size and composition on the second harmonic generation from lithium niobate powders at different excitation wavelengths
Por:
Sanchez-Dena, O., Garcia-Ramirez, E. V., Fierro-Ruiz, C. D., Vigueras-Santiago, E., Farias, Rurik, Reyes-Esqueda, J. A.
Publicada:
1 mar 2017
Resumen:
LiNbO3 microcrystalline systems, possessing almost stoichiometric
composition, were produced by varying the temperature and time
parameters in the annealing processes following a mechanochemical
reaction of raw powders. SHG from these samples, detected for every
fundamental wavelength in the range 800-1300 nm, and being maximal at a
certain wavelength, lambda(max), for each sample, has been addressed to
a random scattering of the induced nonlinear polarizations. Possible
tuning of lambda(max) could be ascribed to control of composition and
grain size of the sample. Random orientation of the produced
nanocrystallites was verified since no dependence for SHG intensity on
incident polarization was observed.
Filiaciones:
Sanchez-Dena, O.:
Univ Nacl Autonoma Mexico, Inst Fis, Cd Mx 04510, DF, Mexico
Garcia-Ramirez, E. V.:
Univ Nacl Autonoma Mexico, Inst Fis, Cd Mx 04510, DF, Mexico
Fierro-Ruiz, C. D.:
Univ Autonoma Ciudad Juarez, Av Del Charro 450 Norte, Ciudad Juarez 32310, Chihuahua, Mexico
Vigueras-Santiago, E.:
Univ Autonoma Estado Mexico, Lab Invest & Desarrollo Mat Avanzados, Toluca 50120, Estado De Mexic, Mexico
Farias, Rurik:
Univ Autonoma Ciudad Juarez, Av Del Charro 450 Norte, Ciudad Juarez 32310, Chihuahua, Mexico
Reyes-Esqueda, J. A.:
Univ Nacl Autonoma Mexico, Inst Fis, Cd Mx 04510, DF, Mexico
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