Contents
2024
Volume: 44 Issue 8
19 Article(s)

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Fiber Optics and Optical Communications
Auxiliary Management and Control Channel Transmission and Performance of High-Speed Coherent Frequency Division Multiplexing Passive Optical Network System
Wangwei Shen, Jiaye Wang, Guoqiang Li, Sizhe Xing, An Yan, Zhongya Li, Jianyang Shi, Nan Chi, and Junwen Zhang
ObjectiveWith the development of the new generation of mobile communication technology, there is an increased demand for bandwidth, speed, and latency in passive optical networks (PONs). Wavelength-division multiplexing PON (WDM-PON) which utilizes frequency resources for bandwidth allocation can assign different chann
Acta Optica Sinica
  • Publication Date: Apr. 25, 2024
  • Vol. 44, Issue 8, 0806001 (2024)
Ultrasonic Detection of Water Content in Rock Mass Based on FBG-FPI Optical Fiber Sensor
Wanwan Kang, Zhihua Shao, Kuangyu Zhou, and Xueguang Qiao
ObjectiveRocks have both mechanical and acoustic properties, and there exist inherent relations among them. The characteristics of ultrasonic waves (UWs) change when passing through rocks, and the UWs carry the structural information of rocks. Thus, the interior properties of rocks can be obtained by analyzing the rece
Acta Optica Sinica
  • Publication Date: Apr. 25, 2024
  • Vol. 44, Issue 8, 0806003 (2024)
Holography
Computational Holographic Display Method Based on Error Diffusion
Pingping Wei, and Chao Han
ObjectivePhase-only hologram (POH) is favored by many researchers in holographic display technology due to its high diffraction efficiency and zero twin image. Common POH generation algorithms can be divided into iterative and non-iterative methods. The iterative methods require a lot of iterative optimization to obtai
Acta Optica Sinica
  • Publication Date: Apr. 10, 2024
  • Vol. 44, Issue 8, 0809001 (2024)
Imaging Systems
Orthogonal Multi-Material Decomposition for X-Ray CT and Application in Metal Artifact Correction
Ting Luo, Xing Zhao, Yunsong Zhao, and Tao Li
ObjectiveX-ray computed tomography (CT) imaging technology, with nondestructive testing capabilities, has been widely used in industry, medicine, and other fields. When X-ray CT imaging is performed on samples containing high-absorption materials such as metals, the reconstructed images often contain metal artifacts du
Acta Optica Sinica
  • Publication Date: Apr. 25, 2024
  • Vol. 44, Issue 8, 0811001 (2024)
Static Volumetric 3D Display System Based on Scanning Galvanometer and Digital Micromirror Display Control
Dongcheng Han, Shizhi Yang, Qiang Zhao, Liangliang Zhang, and Yan Deng
ObjectiveThe static volumetric 3D display technology displays 3D objects by volume pixels in 3D space, presenting real stereoscopic images. It can provide physiological and psychological depth clues for human visual systems to perceive 3D objects and can meet all-around observation needs. Additionally, it is the most l
Acta Optica Sinica
  • Publication Date: Apr. 25, 2024
  • Vol. 44, Issue 8, 0811002 (2024)
Instrumentation, Measurement and Metrology
Processing Method of Infrared Sequence Images Based on Long Pulse Thermal Excitation
Yanjie Wei, and Yao Xiao
ObjectiveDefects such as debonding, bulges, pores, pits, delaminations, and inclusions in composites are common during manufacture and service. They not only reduce strength and stiffness but also fail structures. Reliable non-destructive testing methods are required to assess the quality of composite materials. Long p
Acta Optica Sinica
  • Publication Date: Apr. 25, 2024
  • Vol. 44, Issue 8, 0812001 (2024)
Application of Dual Plane-Mirror Dual-Camera Digital Image Correlation Technology in Three-Dimensional Reconstruction
Guihua Li, Ziwei Wang, Weiqing Sun, Pengxiang Ge, Haoyu Wang, and Mei Zhang
ObjectiveDigital image correlation (DIC) technology is a processing method commonly employed for image matching, and meanwhile after nearly forty years of development, its accuracy, efficiency, practicality, and other aspects have yielded significant improvement. With the development and progress of science and technol
Acta Optica Sinica
  • Publication Date: Apr. 25, 2024
  • Vol. 44, Issue 8, 0812003 (2024)
Influence Evaluation of Systematic Errors and Prismatic Postures on Field of View in Monocular Stereo Vision
Tianyu Yuan, Xiangjun Dai, and Fujun Yang
ObjectiveMonocular stereo vision features low cost and compactness compared to binocular stereo vision and has a broader application prospect in space-constrained environments. Stereo vision systems based on dual-biprism are widely employed in engineering measurement due to their adjustable field of view (FoV). Compare
Acta Optica Sinica
  • Publication Date: Apr. 25, 2024
  • Vol. 44, Issue 8, 0812004 (2024)
Position and Pose Estimation of Rigid Body Based on Three-Dimensional Digital Image Correlation
Yonghong Wang, Wanlin Chen, Bingfei Hou, and Biao Wang
ObjectivePosition and pose are two basic parameters describing the position and attitude of an object in space, and they are extensively researched in robot grasping, automatic driving, and industrial inspection. Traditional attitude estimation methods such as using mechanical, laser tracker, inertial unit, and other a
Acta Optica Sinica
  • Publication Date: Apr. 25, 2024
  • Vol. 44, Issue 8, 0812005 (2024)
Lasers and Laser Optics
High-Efficiency Fiber Combining of Long-Wave Infrared Quantum Cascade Lasers
Meng Zhang, Xin Wang, Suhui Yang, Bao Li, Zhuo Li, Jinying Zhang, and Yanze Gao
ObjectiveQuantum cascade laser (QCL) is a semiconductor laser based on sub-band electronic transition, which results in a broad emitting wavelength covering from 3 to 300 μm. QCL is an ideal light source in the fields of gas sensing, environmental monitoring, medical diagnosis, and photoelectric countermeasures. Howeve
Acta Optica Sinica
  • Publication Date: Apr. 25, 2024
  • Vol. 44, Issue 8, 0814003 (2024)
Medical Optics and Biotechnology
Digital Breast Tomography Reconstruction Based on Focusing Layer Separation from Multi-Angle X Ray Projections Using Blind Source Separation
Chunyu Yu, Mingrui Liu, and Ningning Sun
ObjectiveBreast cancer ranks first in female malignant tumors and seriously threatens the life and health of women. However, early diagnosis and treatment can effectively prolong the life of patients. Digital breast tomosynthesis (DBT) is a new three-dimensional imaging technology employed for breast disease diagnosis
Acta Optica Sinica
  • Publication Date: Apr. 25, 2024
  • Vol. 44, Issue 8, 0817001 (2024)
Optical Design and Fabrication
Inverse Design of High-Performance Near-Infrared Polymer Metalens
Heming Wei, Wenchen Hu, and Fufei Pang
ObjectiveWith the widespread utilization of light-sensing systems and imaging systems, miniaturized and lightweight optical systems have become increasingly popular in the automotive market, industry, and medical and consumer electronics. The development of small-volume optical lenses has become crucial. Traditional op
Acta Optica Sinica
  • Publication Date: Apr. 25, 2024
  • Vol. 44, Issue 8, 0822002 (2024)
Optimization Design of Progressive Corridor of Freeform Progressive Addition Lenses
Xin Zhang, Huazhong Xiang, Lefei Ma, Zexi Zheng, Jiabi Chen, Cheng Wang, Dawei Zhang, and Songlin Zhuang
ObjectiveA freeform progressive addition lens (PAL) is an optical lens composed of different optical powers, with a curvature that is not constant. It can achieve smooth focusing within a range of focal distances, from distant to near, providing a more natural adjustment for users. This type of lens fully meets both ph
Acta Optica Sinica
  • Publication Date: Apr. 25, 2024
  • Vol. 44, Issue 8, 0822003 (2024)
Optical System Design and Athermalization of Telephoto Lens
Lizhi Zhang, Qiuping Lu, Fanlin Duan, Xing Dai, and Dayong Qiao
ObjectiveThe actual working environment of vehicle-mounted LiDAR is complex, including seasonal long-time limit temperature and rapid changes in indoor and outdoor high and low temperatures. These temperature variations possibly change the internal optics and structure of the lens, which results in image plane drift an
Acta Optica Sinica
  • Publication Date: Apr. 25, 2024
  • Vol. 44, Issue 8, 0822004 (2024)
Optical Devices
Terahertz Multidimensional-Multiplexing and Refractive-Index-Sensing Integrated Device
Lu Jie, Haisu Li, Yajing Liu, Jianshuai Wang, Guobin Ren, and Li Pei
ObjectiveTerahertz waves featuring broad bandwidths play an increasingly important role in next-generation communication systems. For both terahertz wired and wireless communications, terahertz waveguide integrated devices providing“on-line”signal processing functionalities are in vital demand. In the next-generation c
Acta Optica Sinica
  • Publication Date: Apr. 25, 2024
  • Vol. 44, Issue 8, 0823001 (2024)
Simulation and Experimental Analysis of Aspherical Combined Liquid Lens Based on Flat Electrode
Meimei Kong, Yuan Dong, Chunsheng Xu, Yue Liu, Yinyan Xue, Mingyang Li, and Shuhan Zhang
ObjectiveAs an important branch of microfluidic optics, microfluidic optics has become a key technology to promote the development of highly miniaturized and functional optics. Liquid lenses are a common form of microfluidic optical lenses, and as an important part of optical systems, they have obvious advantages over
Acta Optica Sinica
  • Publication Date: Apr. 25, 2024
  • Vol. 44, Issue 8, 0823002 (2024)
Optics at Surfaces
Polarization-Insensitive Highly Selective Color Filter
Gongli Xiao, Miao Li, Hongyan Yang, Bowen Wang, Jiarong Zhang, Kang Chen, and Xingpeng Liu
ObjectiveColor filters are often made of thin films or dye coatings, but are limited by optical diffraction restrictions, they have low resolution and are sensitive to high temperatures and prolonged ultraviolet (UV) ray exposure. Meanwhile, microstructure-based color filters are more adaptable under application scenar
Acta Optica Sinica
  • Publication Date: Apr. 25, 2024
  • Vol. 44, Issue 8, 0824001 (2024)
Quantum Optics
Laser Ranging Technology Based on Photonic Resonant Tunneling
Zhiyong Wang, Zhiguo Jia, Guangcun Shao, Anran Li, Kaiqiang Zhang, Yukun Ji, and Mingyu Zhong
ObjectivePhotonic tunneling can be regarded as an optical analog for the quantum-mechanical barrier penetration of material particles. As the photon field has no charge and is not subject to the Pauli exclusion principle, some physical problems (such as tunneling time) become easier to study through photonic quantum tu
Acta Optica Sinica
  • Publication Date: Apr. 25, 2024
  • Vol. 44, Issue 8, 0827001 (2024)
X-Ray Optics
Limited-Angle CT Image Reconstruction Based on Swin-Transformer Iterative Unfolding for PTCT Imaging
Wei Yuan, Yarui Xi, Chuandong Tan, Chuanjiang Liu, Guorong Zhu, and Fenglin Liu
ObjectiveComputed tomography (CT) is an imaging technique that employs X-ray transmission and multi-angle projection to reconstruct the internal structure of an object. Meanwhile, it is commonly adopted in medical diagnosis and industrial non-destructive testing due to its non-invasive and intuitive characteristics. Pa
Acta Optica Sinica
  • Publication Date: Apr. 25, 2024
  • Vol. 44, Issue 8, 0834001 (2024)