High Efficiency and High Stability for SHG in an Nd:YVO4 Laser with a KTP Intracavity and Q-Switching through Harmonic Modulation

被引：2
|
作者：
Delgado, Samuel Mardoqueo Afanador [1 ]
Lopez, Juan Hugo Garcia [1 ]
Reategui, Rider Jaimes [1 ]
Aboites, Vicente [2 ]
Monroy, Jose Luis Echenausia [1 ,3 ]
Cuellar, Guillermo Huerta [1 ]
机构：
[1] Univ Guadalajara, Ctr Univ los Lagos, Dynam Syst Lab, CULagos, Enrique Diaz de Leon 1144, Lagos De Moreno 47460, Jalisco, Mexico
[2] Opt Res Ctr, Lasers Lab, Loma del Bosque 115, Leon 37150, Guanajuato, Mexico
[3] Ctr Sci Res & Higher Educ Ensenada CICESE, Appl Phys Div, Carr Ensenada Tijuana 3918, Ensenada 22860, Baja California, Mexico
来源：
PHOTONICS | 2023年 / 10卷 / 04期
关键词：
Nd: YVO4 laser; second harmonic generation; Q-switched lasers; frequency doubled; GREEN LASER; GENERATION; CO2-LASER; STABILIZATION; DYNAMICS;
D O I：
10.3390/photonics10040454
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, the stabilization and high efficiency of an unstable Second Harmonic Generation (SHG) of an Nd:YVO4 laser with a KTP intracavity is demonstrated. By using a passive Q-switching crystal (Cr4+:YAG) and a parametric modulation method (harmonic modulation), the stabilization of the laser is reached. An harmonic modulation was applied to the pumping of the Nd:YVO4-KTP laser to control the amplitude and frequency of the laser emission. The results were characterized by using power spectra analysis, optical spectrum, bifurcation diagrams, and temporal series of the laser intensity. The promising application of this green light source is materialized when such light is necessary for high-density optics, such as in the treatment materials industry or in some aesthetic applications.
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页数：14
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