Prof. Dechun Li Profile

Prof. Dechun Li

at Shandong Univ

SPIE Involvement:

Author

Publications (15)

SPIE Journal Paper | 29 June 2018

Liquid-phase exfoliated semiconducting single-walled carbon nanotubes as a saturable absorber for passively Q-switched laser

Xiaodong Zhang, Shengzhi Zhao, Ying Li, Yan Zhang, Dechun Li, Kejian Yang

JNP, Vol. 12, Issue 02, 026020, (June 2018) https://doi.org/10.1117/12.10.1117/1.JNP.12.026020

KEYWORDS: Q switched lasers, Semiconductors, Single walled carbon nanotubes, Pulsed laser operation, Absorption, Semiconductor lasers, Lithium, Raman spectroscopy, Quartz, Saturable absorption

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Proceedings Article | 24 May 2018 Presentation + Paper

Two-step phase shifting in fringe projection: modeling and analysis

Jiaqi Mao, Yongkai Yin, Xiangfeng Meng, Xiulun Yang, Lei Lu, Dechun Li, Christian Pape, Eduard Reithmeier

Proceedings Volume 10678, 106780V (2018) https://doi.org/10.1117/12.2306641

KEYWORDS: Phase shifts, Error analysis, Fringe analysis, Image processing, Reflectivity, 3D metrology, Projection systems, Cameras, Optics manufacturing

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SPIE Journal Paper | 24 November 2015

Modulation frequency characteristics of the Q-switched envelope in a doubly Q-switched and mode-locked laser with acousto-optic modulator and Cr⁴⁺:YAG saturable absorber

Junpeng Qiao, Jia Zhao, Yufei Li, Shengzhi Zhao, Guiqiu Li, Dechun Li, Wenchao Qiao, Hongwei Chu

OE, Vol. 54, Issue 11, 116107, (November 2015) https://doi.org/10.1117/12.10.1117/1.OE.54.11.116107

KEYWORDS: Modulation, Chromium, YAG lasers, Q switched lasers, Bragg cells, Q switching, Mode locking, Pulsed laser operation, Modulators, Laser crystals

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Proceedings Article | 9 December 2014 Paper

First principles study on optical properties of GaAs saturable absorbers with native defects

Wen Cong, Dechun Li, Shengzhi Zhao, Guiqiu Li, Kejian Yang

Proceedings Volume 9294, 92940M (2014) https://doi.org/10.1117/12.2069771

KEYWORDS: Gallium arsenide, Crystals, Absorption, Refractive index, Optical properties, Dielectrics, Chemical species, Gallium, Laser crystals, Lithium

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Proceedings Article | 20 November 2014 Paper

First-principles study on the effects of the intrinsic defects in GaAs saturable absorber

Xiaoyang Ma, Dechun Li, Shengzhi Zhao, Wen Cong, Guiqiu Li, Kejian Yang

Proceedings Volume 9300, 930009 (2014) https://doi.org/10.1117/12.2069808

KEYWORDS: Gallium arsenide, Chemical species, Gallium, Lithium, Q switches, Arsenic, Electrons, Doping, Information science, Saturable absorption

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Proceedings Article | 17 September 2013 Paper

Second harmonic generation study of the air/liquid interface of different solutions

Kai Sun, Dechun Li, Lihua Cao, Ying Li, Xinwang Song, Chunxiu Li, Yaping Li, Xulong Cao

Proceedings Volume 8904, 89040K (2013) https://doi.org/10.1117/12.2032883

KEYWORDS: Rhodamine B, Second-harmonic generation, Interfaces, Molecules, Harmonic generation, Absorption, Reflectance spectroscopy, Polarization, Sodium, Chromophores

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SPIE Journal Paper | 2 August 2012

Optimization of diode-pumped doubly Q-switched mode-locked laser with acousto-optic modulator and Cr4+∶YAG saturable absorber

Tianli Feng, Shengzhi Zhao, Dechun Li, Guiqiu Li, Kejian Yang, Gang Zhang, Kang Cheng

OE, Vol. 51, Issue 8, 084202, (August 2012) https://doi.org/10.1117/12.10.1117/1.OE.51.8.084202

KEYWORDS: Modulators, YAG lasers, Semiconductor lasers, Chromium, Adaptive optics, Mode locking, Q switched lasers, Modulation, Mirrors, Reflectivity

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SPIE Journal Paper | 1 July 2011

Performance of doubly Q-switched and mode-locked Nd:LuVO₄ laser with acousto-optic modulator and GaAs saturable absorber

Gang Zhang, Shengzhi Zhao, Yufei Li, Guiqiu Li, Dechun Li, Kejian Yang, Kang Cheng, Zhenggang Yu

OE, Vol. 50, Issue 07, 074202, (July 2011) https://doi.org/10.1117/12.10.1117/1.3599872

KEYWORDS: Mode locking, Adaptive optics, Modulators, Gallium arsenide, Q switched lasers, Q switching, Modulation, Pulsed laser operation, Absorption, Acousto-optics

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Proceedings Article | 29 August 2009 Paper

Optimization of doubly Q-switched lasers with both an electro-optic modulator and a GaAs saturable absorber

Wenjing Tang, Dechun Li, Shengzhi Zhao, Guiqiu Li, Kejian Yang

Proceedings Volume 7382, 73820S (2009) https://doi.org/10.1117/12.834451

KEYWORDS: Q switched lasers, Gallium arsenide, Modulators, Q switching, Electro optics, Laser energy, Electrooptic modulators, Absorption, Resonators, Semiconductor lasers

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SPIE Journal Paper | 1 May 2008

Simple way to optimize the pulse duration of diode-pumped passively Q-switched laser

Kejian Yang, Shengzhi Zhao, Guiqiu Li, Dechun Li, Jingliang He

OE, Vol. 47, Issue 05, 054201, (May 2008) https://doi.org/10.1117/12.10.1117/1.2919790

KEYWORDS: Q switched lasers, Gallium arsenide, Laser crystals, Mirrors, Crystals, Semiconducting wafers, Semiconductor lasers, Pulsed laser operation, Thermal effects, Transmission electron microscopy

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SPIE Journal Paper | 1 May 2007

Laser-diode-pumped, doubly Q-switched, intracavity optical parametric oscillator considering Gaussian distribution of intracavity photon densities

Jing Wang, Shengzhi Zhao, Guiqiu Li, Kejian Yang, De-chun Li, Jing An, Ming Li

OE, Vol. 46, Issue 05, 054202, (May 2007) https://doi.org/10.1117/12.10.1117/1.2737448

KEYWORDS: Optical parametric oscillators, Q switched lasers, Ferroelectric materials, Crystals, Acousto-optics, Modulators, Laser crystals, Q switching, Adaptive optics, Optical engineering

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SPIE Journal Paper | 1 December 2006

Doubly passively Q-switched intracavity-frequency-doubling Nd³⁺:YAG/KTP green laser with GaAs and Cr⁴⁺:YAG saturable absorbers

Jing An, Shengzhi Zhao, Guiqiu Li, Kejian Yang, Yuming Sun, De-chun Li, Jing Wang, Ming Li

OE, Vol. 45, Issue 12, 124202, (December 2006) https://doi.org/10.1117/12.10.1117/1.2404903

KEYWORDS: Q switched lasers, Chromium, YAG lasers, Gallium arsenide, Pulsed laser operation, Q switches, Neodymium, Ferroelectric materials, Q switching, Crystals

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SPIE Journal Paper | 1 November 2005

Modeling of a diode-pumped acousto optically Q-switched intracavity doubling Nd:GdVO₄/KTP green laser

Kejian Yang, Shengzhi Zhao, Guiqiu Li, Jing Zou, Peng Song, De-chun Li, Wei Wu

OE, Vol. 44, Issue 11, 114203, (November 2005) https://doi.org/10.1117/12.10.1117/1.2130334

KEYWORDS: Q switched lasers, Ferroelectric materials, Semiconductor lasers, Q switching, Crystals, Modulators, Adaptive optics, Acousto-optics, Laser crystals, Acoustics

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Proceedings Article | 6 November 2003 Paper

Optical parameter design and analyses of angle sensor

Qinggang Liu, Lu Wang, Dechun Li, Zhigang Li, Xiaotang Hu

Proceedings Volume 5174, (2003) https://doi.org/10.1117/12.507647

KEYWORDS: Prisms, Reflectivity, Sensors, Beam splitters, Optical design, Reflection, Mirrors, Error analysis, Photodiodes, Prototyping

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Proceedings Article | 1 September 1992 Paper

Dependence of Fermi level of Hg0.8Cd0.2Te on impurity concentration and temperature

Fei-Fei Wu, Wenzhen Song, De-chun Li, Jingxuan Yan, Jiaxiong Fang, Guosen Xu

Proceedings Volume 1685, (1992) https://doi.org/10.1117/12.137805

KEYWORDS: Infrared detectors, Staring arrays, Infrared sensors, Lithium, Infrared radiation, Remote sensing, Information science, Physics, Sensor performance, Sensors

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Showing 5 of 15 publications

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