Contents
2021
Volume: 48 Issue 20
22 Article(s)

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Measurement and Metrology
Calibration Method for Structural Parameters and Assembly Error of Light Field Camera
Yuan Suochao, Li Ming, and Da Zhengshang
Objective A light field camera that is capable of capturing four-dimensional light field information through a single shot can be realized by inserting a microlens array in front of the sensor of a traditional camera. It has great potential to play important roles in many applications such as 3D measurement, flow field
Chinese Journal of Lasers
  • Publication Date: Sep. 29, 2021
  • Vol.48 Issue, 20 2004001 (2021)
Spectroscopy
Quartz-Enhanced Photoacoustic Spectroscopy System Based on Lens-Reflector Combination
Liu Jinpeng, Sun Liuya, Niu Mingsheng, Ma Lili, and Zhang Jinghu
Objective Quartz-enhanced photoacoustic spectroscopy (QEPAS), as a relatively mature trace gas detection technology, has promising application prospects. QEPAS has several advantages such as high-quality factor, narrow response bandwidth, strong anti-interference, the small size of detection module, and low cost. Howev
Chinese Journal of Lasers
  • Publication Date: Sep. 23, 2021
  • Vol.48 Issue, 20 2011001 (2021)
Beam Transmission and Control
Correction Technology for Illumination Field Intensity Profile in Photolithography Machine
Ma Xiaozhe, Zhang Fang, and Huang Huijie
Objective The step-and-scan photolithography machine is the main equipment for manufacturing integrated circuits used in the key layer preparation. The exposure system of the photolithography machine consists of the illumination system and projection objective. The illumination system is the core of the subsystems, the
Chinese Journal of Lasers
  • Publication Date: Sep. 22, 2021
  • Vol.48 Issue, 20 2005001 (2021)
Propagation of Dual Airy-Gaussian Beams in Gaussian Potential under Fractional Effect
Xiao Yan, Wang Pengxiang, Guo Teng, Gao Ru, and Ren Shumin
Objective Diffraction can affect beam propagation. To reduce its influence, people have tried many means to search for a nondiffracted beam. Airy beam, featuring self-acceleration and self-healing, is a typical nondiffracted beam discovered in exploration. Unfortunately, it carries infinite energy. Later, an Airy beam
Chinese Journal of Lasers
  • Publication Date: Oct. 11, 2021
  • Vol.48 Issue, 20 2005002 (2021)
Phase Modulation Research on Variable Spectral Width Based on Digital Pulse Shaping Technology
Gong Yufeng, Wang Xiaochao, Tang Yanghui, Xu Shouying, and Zhou Shenlei
Objective In the implosion process of laser inertial confinement fusion (ICF), several requirements are proposed for the uniformity of the target irradiation and various beam-smoothing techniques, including spectral dispersion smoothing (SSD), have been developed and applied. According to different physical processes,
Chinese Journal of Lasers
  • Publication Date: Oct. 11, 2021
  • Vol.48 Issue, 20 2005003 (2021)
Fiber Optics and Optical Communications
Arbitrary Waveform Generation Based on Simple Design of Linearly Chirped Fiber Bragg Grating and Frequency-to-Time Mapping
Li Min, Mu Hongqian, Wang Muguang, Wei Xinhang, and Guan Xiangshuai
Objective The arbitrary waveform generator (AWG) has been widely utilized in wireless communications, radar systems, and signal processing due to its benefits of high frequency and large bandwidth. More emphasis has been paid to creating commonly used pulses (triangular, sawtooth, rectangular, parabolic, and Gaussian).
Chinese Journal of Lasers
  • Publication Date: Oct. 11, 2021
  • Vol.48 Issue, 20 2006001 (2021)
Location of Weak Faults in Optical Fiber Links of Direct Current Control and Protection System
Ruan Jun, Sun Hao, Zhu Zhijun, Tian Lin, Xu Wanli, Wu Baofeng, and Sun Xiaohan
Objective With the continuous development of power transmission systems from west to east, the advantages of ultrahigh voltage (UHV) direct current (DC) transmission have become increasingly evident. The optical fiber link used in the UHV DC control and protection system may fail, exposing the system to risks. Existing
Chinese Journal of Lasers
  • Publication Date: Sep. 16, 2021
  • Vol.48 Issue, 20 2006002 (2021)
Realizing Optical Absorption Properties of Polymer Waveguides using LED Pump Source
Xue Jiabi, Lai Shouqiang, Liu Xin, and Zhang Dan
Objective The amplification function that describes an optical signal can be realized in rare-earth-doped polymer optical waveguide amplifiers based on the stimulated radiation of rare-earth ions when they experience excitation at the pump source. As an active device, polymer optical waveguide amplifier can be integrat
Chinese Journal of Lasers
  • Publication Date: Sep. 16, 2021
  • Vol.48 Issue, 20 2006003 (2021)
Laser Devices and Laser Physics
High-Efficiency and High-Pulse-Energy 1197 nm Laser Based on Stimulated Raman Scattering
Fang Chunqi, Yu Guangli, Ding Jianyong, Li Binbin, Li Gaolong, Zhou Jun, Zhu Xiaolei, and Wei Wei
Objective The 1197 nm laser is located in the photoacoustic imaging window of the C--H bond, which can be used for the clinical diagnosis and treatment of biological tissues, such as tumors and fats. Additionally, its frequency-doubled yellow light has a wide range of applications in the field of fluorescence detection
Chinese Journal of Lasers
  • Publication Date: Sep. 14, 2021
  • Vol.48 Issue, 20 2001001 (2021)
A 1310 nm Band Narrow Linewidth Hybrid Integrated External Cavity Semiconductor Laser Based on Fiber Bragg Gratings
Liang Hong, Wei Fang, Sun Yanguang, Sun Guangwei, and Cai Haiwen
Objective With the development of modern communication network technology, people’s demand for communication capacity has increased dramatically, making the ultra-large capacity and long-distance optical fiber network transmission system a research hotspot in the field of optical fiber communication. As a light source
Chinese Journal of Lasers
  • Publication Date: Sep. 22, 2021
  • Vol.48 Issue, 20 2001002 (2021)
Frequency degeneracy of transverse modes in Nd∶YVO4 lasers
Lin Da, Wang Jing, Li Bingxuan, Liao Wenbin, Lin Zhanglang, Tang Kaifei, Li Ke, and Zhang Ge
Objective Structured light has been exploited in several fields in the past two decades, such as optical tweezers, spiral interferometers, and phase-contrast microscopes. The generation of structured light is generally achieved by utilizing optical elements such as spatial light modulators or spiral phase plates. Becau
Chinese Journal of Lasers
  • Publication Date: Sep. 07, 2021
  • Vol.48 Issue, 20 2001003 (2021)
Letters
Domestic High Quality Radiation-Resistant Erbium-Doped Fiber
Cao Chi, Wang Bo, Chu Yingbo, Xing Yingbin, Liao Lei, Dai Nengli, and Li Jinyan
Objective With the rapid development of aerospace technology, erbium (Er)-doped fiber amplifier (EDFA) has gradually become the best choice for satellite communication tasks because of its advantages such as high gain, wide bandwidth, and good compactness. However, the Er-doped fiber, a key component of the EDFA, is ex
Chinese Journal of Lasers
  • Publication Date: Sep. 14, 2021
  • Vol.48 Issue, 20 2015001 (2021)
Quantum Optics
Manipulated Multipartite Continue-Variable EPR Steering with Loss and Gaussian Noise
Zhai Shuqin, and Yuan Nan
Objective EPR steering is a quantum correlation between quantum entanglement and Bell nonlocality. Multipartite EPR steering, which manipulates information distributed in distinct quantum nodes, is a core resource in secret quantum networks. EPR steering describes a phenomenon in which two particles in the entangled st
Chinese Journal of Lasers
  • Publication Date: Oct. 11, 2021
  • Vol.48 Issue, 20 2012001 (2021)
Biomedical Photonics and Laser Medicine
Spatially Resolved Reflectance in Sub-Diffusive Regime Measurement System for Mucosal Lesion Recognition
Zhang Qi, Zhang Limin, Wang Jiayu, An Jingyi, Wang Jing, Chen chen, and Gao Feng
Objective Early-stage screening and treatment of mucosal tissue lesions are particularly important for mucosal cancer prevention. Since most mucosal lesions originate from the superficial epithelium, that is sub-diffusive regime, where the diffusion approximation theory is no longer applicable. In the sub-diffusive reg
Chinese Journal of Lasers
  • Publication Date: Oct. 11, 2021
  • Vol.48 Issue, 20 2007001 (2021)
An Extended-Focus Optical Coherence Tomography System Based on Circular Dammann Grating
Ouyang Junyi, Li Zhongliang, Liu Teng, Nan Nan, Yan Xiaona, and Wang Xiangzhao
Objective Optical coherence tomography (OCT) has been widely used in clinical medicine, materials science, tissue engineering, among other fields due to its advantages of non-destructive, non-contact, high speed, and high resolution. In the traditional OCT system, which is based on Gaussian beam illumination, the later
Chinese Journal of Lasers
  • Publication Date: Sep. 15, 2021
  • Vol.48 Issue, 20 2007002 (2021)
Terahertz Technology
Automated Design Study of Guided-Mode Resonance Filters Working at Terahertz Frequencies
Shao Tianyu, Gu Jianqiang, and Shi Wenqiao
Objective Terahertz narrowband filters are indispensable functional devices for terahertz wireless communication, high-resolution spectroscopy, and passive security imaging techniques; the guided-mode resonance (GMR) effect in dielectric grating is a promising route for realizing these narrowband filters. The combinati
Chinese Journal of Lasers
  • Publication Date: Sep. 26, 2021
  • Vol.48 Issue, 20 2014001 (2021)
Terahertz Wave 4-2 Encoder Based on Photonic Crystal
Jiang Zongdan, Li Peili, and Xu Guangyue
Objective With the rapid development of communication and computer technology, people's requirements for information transmission and processing are also increasing. The rapid development of wireless communication leads to the lack of spectrum resources and the development of new frequency bands has become a consen
Chinese Journal of Lasers
  • Publication Date: Sep. 16, 2021
  • Vol.48 Issue, 20 2014002 (2021)
Generation of Broadband Terahertz Vortex Beam Based on Double-Arrow Metasurface
Guo jiaoyan, Li Wenyu, Sun Ran, and Zhao Guozhong
Objective An electromagnetic wave with a spiral wavefront is a vortex beam with an orbital angular momentum(OAM). The OAM vortex beam has a phase factor exp(ilφ), φ is the azimuth angle, and l is the topological charge (integer or non-integer). The vortex beam’s wavefront propagates in a spiral forward, and the intensi
Chinese Journal of Lasers
  • Publication Date: Oct. 11, 2021
  • Vol.48 Issue, 20 2014003 (2021)
Influence of Paper Shelters on Terahertz Double Exposure Digital Holography
Cheng Keyang, and Li Qi
Objective In terahertz digital holographic imaging, factors such as the transmittance and noise of shelters will affect the imaging effect, and when combined with practical applications of terahertz imaging technology such as security detection and medical imaging, shelters have become an important issue that needs to
Chinese Journal of Lasers
  • Publication Date: Sep. 07, 2021
  • Vol.48 Issue, 20 2014004 (2021)
Aerosol Horizontal Distribution Detected by Lidar in Excavation Stage of Construction Site Foundation Pit
Zhao Qiang, Su Hongchao, Yi Mingjian, Yu Dongsheng, and Xu Chidong
Objective The dust and other particulate matter generated during the excavation of construction site foundation pits are major sources of urban atmospheric aerosols and an important factor in the frequent occurrence of severe weather, such as haze. Aerosol particles on construction sites are derived from slag transport
Chinese Journal of Lasers
  • Publication Date: Sep. 16, 2021
  • Vol.48 Issue, 20 2010001 (2021)
Detection of Chlorophyll Profiles from Coastal to Oceanic Water by Dual-Wavelength Ocean Lidar
Li Kaipeng, He Yan, Hou Chunhe, Ma Jian, Jiang Zhengyang, Chen Weibiao, Chen Peng, Liu Fanghua, Chen Yongqiang, and Guo Shouchuan
Objective Marine phytoplankton is crucial to the marine ecosystem due to their important roles in the global primary carbon cycle. They can also be used as an evaluation criterion of water property because of their correction to the watercolor remote sensing parameters. Two detection schemes are often used to obtain th
Chinese Journal of Lasers
  • Publication Date: Oct. 11, 2021
  • Vol.48 Issue, 20 2010002 (2021)
Reviews
High Average Power Fiber Lasers: Research Progress and Future Prospect
Zhou Pu, Leng Jinyong, Xiao Hu, Ma Pengfei, Xu Jiangming, Liu Wei, Yao Tianfu, Zhang Hanwei, Huang Liangjin, and Pan Zhiyong
Significance High-average-power fiber lasers have many important applications in advanced manufacturing, energy exploration, and national security benefit from the advantages of compact structure, high electro-optical efficiency, and flexible operation. In 2009 and 2010, IPG Photonics demonstrated a single-fiber single
Chinese Journal of Lasers
  • Publication Date: Sep. 07, 2021
  • Vol.48 Issue, 20 2000001 (2021)