Design of compatible harmonic generation system for multi wavelength and multiple pulse-width laser output

Power generation systems based on renewable energy sources are finding ever-widening applications and many researchers work on this problem. Many papers address the problem of transformerless structures, but few of them are aimed at conducting research on structures with multilevel converter topologies. In this paper a grid-tied transformerless PV-generation system based on a multilevel converter is discussed. There are common-mode leakage currents which act as a parasitic factor. It is also known that common-mode voltage is the main cause of the common-mode leakage current in grid-tied PV-generation systems. This paper considers the space vector pulse-width modulation (PWM) technique which is used to suppress or reduce common-mode leakage current. The proposed engineering solutions for a generation system based on the multilevel converter controlled with a pulse-width modulation technique are verified by experiment.

Download Full-text

Supercontinuum-induced multi-wavelength third-harmonic generation in a suspended-core microstructured optical fiber

Optics Express ◽

10.1364/oe.400371 ◽

2020 ◽

Vol 28 (20) ◽

pp. 28750

Author(s):

Tonglei Cheng ◽

Xue Zhou ◽

Yue Sun ◽

Xin Yan ◽

Xuenan Zhang ◽

...

Keyword(s):

Optical Fiber ◽

Harmonic Generation ◽

Third Harmonic Generation ◽

Third Harmonic ◽

Microstructured Optical Fiber ◽

Multi Wavelength

Download Full-text

Principle and control strategy of pulse width modulation rectifier for hydraulic power generation system

Renewable Energy ◽

10.1016/j.renene.2018.12.089 ◽

2019 ◽

Vol 135 ◽

pp. 1200-1206 ◽

Cited By ~ 2

Author(s):

Kunlin Wang ◽

Songwei Sheng ◽

Yaqun Zhang ◽

Yin Ye ◽

Jiaqiang Jiang ◽

...

Keyword(s):

Power Generation ◽

Control Strategy ◽

Pulse Width ◽

Pulse Width Modulation ◽

Generation System ◽

Hydraulic Power ◽

Power Generation System ◽

And Control

Download Full-text

Nonlinear Pulse Width Change of Nonchirped Pulse Versus Crystal Mismatch by Cascaded Harmonic Generation

Acta Optica Sinica ◽

10.3788/aos201434.1219002 ◽

2014 ◽

Vol 34 (12) ◽

pp. 1219002

Author(s):

李恪宇 Li Keyu ◽

冯斌 Feng Bin ◽

孙立 Sun Li ◽

向勇 Xiang Yong ◽

郭仪 Guo Yi ◽

...

Keyword(s):

Harmonic Generation ◽

Pulse Width ◽

Width Change ◽

Versus Crystal

Download Full-text

Fourth Harmonic Generation Ultraviolet Laser Output Characteristics from Laser Diode Side-Pumped Two Nd:YAG Rods in Resonator

Chinese Journal of Lasers ◽

10.3788/cjl20103711.2790 ◽

2010 ◽

Vol 37 (11) ◽

pp. 2790-2794

Author(s):

潘孙强 Pan Sunqiang ◽

刘崇 Liu Chong ◽

赵智刚 Zhao Zhigang ◽

董延涛 Dong Yantao ◽

葛剑虹 Ge Jianhong ◽

...

Keyword(s):

Harmonic Generation ◽

Laser Diode ◽

Laser Output ◽

Ultraviolet Laser ◽

Fourth Harmonic ◽

Output Characteristics

Download Full-text

Passively Q-switched Erbium-Doped Fiber Laser based on Graphene Oxide as Saturable Absorber

Journal of Optical Communications ◽

10.1515/joc-2016-0154 ◽

2018 ◽

Vol 39 (3) ◽

pp. 307-310 ◽

Cited By ~ 2

Author(s):

A. K. W. Mansoor ◽

Belal Ahmed Hamida ◽

Tawfig Eltaif ◽

E. I. Ismail ◽

N. A. A. Kadir ◽

...

Keyword(s):

Graphene Oxide ◽

Fiber Laser ◽

Saturable Absorber ◽

Pulse Width ◽

Laser Cavity ◽

Experimental Results ◽

Laser Output ◽

Output Energy ◽

Erbium Doped

Abstract In this paper, passively Q-switched fiber laser is demonstrated and the laser output energy is stabilized by using 2.4 m Erbium-doped fiber laser (EDFL) with a graphene oxide used as saturable absorber (GO-SA). According to the experimental results in the Q-switched configuration, the laser cavity emits a wavelength centered at 1,558.75 nm, and by inserting the GO-SA into EDFL cavity, hence, the laser output energy around 1.68 nJ with an FWHM pulse width of 2.3 µs at 123.5 kHz was achieved.

Download Full-text