Conversion efficiency and absolute effective nonlinear optical coefficients of YCOB and GdCOB measured for different type I SHG phase matching configurations

Author(s):  
G. Aka ◽  
F. Mougel ◽  
D. Vivien ◽  
R. Klein ◽  
G. Kugel ◽  
...  
2004 ◽  
Vol 13 (03n04) ◽  
pp. 445-449
Author(s):  
JONGBAE KIM ◽  
JUNG JIN JU ◽  
MIN-SU KIM

The distributions of electric field and the induced second-order nonlinearity are discussed in a poling scheme where the width of a periodic electrode is shorter than the conventional coherent length. The theoretical aspects of quasi-phase matching for a subsequent experiment in second harmonic generation are analyzed. The present analysis consistently explains that the conversion efficiency can be enhanced if the electrode width is shortened, and maximized if the electrode width is optimized.


1995 ◽  
Vol 34 (6) ◽  
pp. 934 ◽  
Author(s):  
M. H. van der Mooren ◽  
Th. Rasing ◽  
H. J. A. Bluyssen

2010 ◽  
Vol 18 (1) ◽  
Author(s):  
A. Antończak ◽  
J. Sotor ◽  
M. Matysiak ◽  
K. Abramski

AbstractIn this paper we present a design of a compact, low power diode-pumped CW Nd:YAG laser operating at 946 nm with intracavity blue light generation at 473 nm for battery operated applications. The nonlinear crystal used in the experiment is a BiBO crystal cut for phase-matching type I. Using 0.8 W of pumping power, 20-mW stabile output power of blue light was achieved. The second harmonic generation conversion efficiency was 2.5%.


Author(s):  
Moumita Saha ◽  
Sumita Deb

This paper is a numeric-analytical work for highly efficient difference-frequency generation (DFG) by the integrated effect of total-internal-reflection-based optical rotation quasi-phase-matching (ORQPM) and nonresonant quasi-phase-matching techniques in a thin yttrium oxide-coated rectangular slab of magnesium oxide-doped lithium niobate crystal. The conversion efficiency of 37.2% has been obtained by ray-optics analysis, corresponding to an idler wavelength of 1570[Formula: see text]nm. Moreover, the guided-wave approach has also been analyzed for more accurate and realistic outcomes, yielding a peak conversion efficiency of 1.64%. The impact of the influencing factors like surface roughness, absorption, and nonlinear law of reflection has also been incorporated in the computer-aided simulation for providing a pragmatic understanding of the whole study.


2018 ◽  
Vol 6 (45) ◽  
pp. 12240-12244 ◽  
Author(s):  
Yanqiang Li ◽  
Sangen Zhao ◽  
Pai Shan ◽  
Xianfeng Li ◽  
Qingran Ding ◽  
...  

A new sulfate Li8NaRb3(SO4)6·2H2O exhibits a short cutoff edge below λ < 190 nm and has a moderate second-harmonic generation response in type-I phase-matchable behavior.


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