Laser, optics and photonics research advances at the Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences; includes only reports in which it is the actual research or event subject.
The Joint Laboratory for High Power Laser Physics at the Shanghai Institute of Optics and Fine Mechanics (SIOM) has proposed a beam-spot analysis system based on an improved YOLOv8-seg to meet the need for rapid, precise alignment of optics along the full chain of high-power laser facilities, and has completed experimental validation.
Why we recommend it: The original work presents an engineering case of deep-learning segmentation models applied to laser facility alignment, illustrating AI entering optical assembly and alignment
Shanghai Institute of Optics and Fine Mechanics (SIOM) · Research UpdatesOptics industryPicksAI score6363
Researcher Tian Ye and Academician Li Ruxin's team at the Shanghai Institute of Optics and Fine Mechanics (SIOM), together with Researcher Pan Yiming of ShanghaiTech University and others, have proposed a new mechanism that uses the quadratic phase accumulated during the propagation of free-electron quantum wave packets to simultaneously achieve selectable high-harmonic bunching and synthesis of non-classical quantum light sources, linking quantum state control, high-harmonic radiation and quantum light synthesis.
Why we recommend it: The original work proposes a unified framework for free-electron lasers and quantum light sources, offering useful insights for novel light source research
Sep 24Thu
Thursday
Shanghai Institute of Optics and Fine Mechanics (SIOM) · Research UpdatesOptics industryPicksAI score6363
A team from the High-Power Laser Component Technology and Engineering Department at the Shanghai Institute of Optics and Mechanics used nanoimprint lithography to fabricate large-area, double-sided fused-silica nanopillar metasurfaces, achieving broadband, wide-angle antireflection from the visible to the near-infrared, along with good high-temperature stability and laser damage tolerance.
Why we recommend it: The original paper presents a scalable nanoimprint process and laser damage tolerance, offering practical value for high-power laser optics
Shanghai Institute of Optics and Fine Mechanics (SIOM) · Research UpdatesOptics industryPicksAI score5959
A team at the Shanghai Institute of Optics and Fine Mechanics has proposed and demonstrated a lithography-free Cr/a-GST/Bi planar metal-insulator-metal absorber based on ultrahigh-refractive-index materials. With a total thickness of only 550 nm, it achieves high absorption and thermal emission control across the 8-14 μm long-wave infrared band.
Why we recommend it: The original work presents a lithography-free, ultrathin long-wave infrared absorber structure that is relevant to infrared stealth and thermal management devices
Sep 22Tue
Tuesday
Shanghai Institute of Optics and Fine Mechanics (SIOM) · Research UpdatesOptics industryPicksAI score6161
A team from the State Key Laboratory of Ultra-Intense Laser Science and Technology at the Shanghai Institute of Optics and Fine Mechanics (SIOM) has achieved few-cycle nonlinear pulse compression in a dispersion-engineered folded multi-pass cell, producing high-power few-cycle ultrafast laser pulses. The results were published in Optics Letters.
Why we recommend it: The original article presents a multi-pass cell compression scheme for few-cycle pulses, offering useful reference for high-power ultrafast lasers
Shanghai Institute of Optics and Fine Mechanics (SIOM) · Research UpdatesOptics industryPicksAI score6161
A team from the State Key Laboratory of Ultra-Intense Laser Science and Technology at the Shanghai Institute of Optics and Fine Mechanics (SIOM) has achieved, for the first time, fully optical arbitrary control of chirality and ellipticity in solid-state high-harmonic generation through dynamical symmetry engineering and quantum geometric phase manipulation.
Why we recommend it: The original work presents an all-optical method for controlling the polarization of solid-state high harmonics, relevant to attosecond circularly polarized light sources
Sep 15Tue
Tuesday
Shanghai Institute of Optics and Fine Mechanics (SIOM) · Research UpdatesOptics industryPicksAI score6161
A team led by Yang Shanglu at the Shanghai Institute of Optics and Fine Mechanics (SIOM) has suppressed brittle intermetallic compounds in laser joining of dissimilar Ti/Ni materials, improving joint reliability.
SIOM and Harbin Institute of Technology have used a photon sieve to achieve the first absolute wavefront measurement of an EUV light source, solving a long-standing challenge in absolute wavefront metrology for extreme-ultraviolet and soft X-ray sources.
Wang Jun's team has revealed the multi-stage process of continuous mid-infrared laser-driven phase transition in a VO₂/SiO₂ heterostructure, from thermal accumulation and phase-transition acceleration to thermal saturation.
A team led by Shao Jianda and Zhu Meiping has used an Al₂O₃/HfO₂ nanolaminate graded-index structure to improve the laser-induced damage resistance of picosecond laser reflection thin films.
Xie Peng's team at the Shanghai Institute of Optics and Fine Mechanics (SIOM) studies soliton generation and breather dynamics in microcavity optical frequency combs.
Xie Peng's team at the Shanghai Institute of Optics and Fine Mechanics (SIOM) has made progress in multidimensional multiplexed optical computing, improving the parallelism of optical computing.
The Shanghai Institute of Optics and Mechanics (SIOM) has made progress in deep-ultraviolet subwavelength aperture diffraction research, supporting lithography inspection.
The Shanghai Institute of Optics and Fine Mechanics has made a major breakthrough in accelerating high-energy protons using transition radiation fields.
The Shanghai Institute of Optics and Fine Mechanics (SIOM) has made progress in geometry-induced quantum interference and ultrafast nonlinear optical control in CdO nanograting films.
The Shanghai Institute of Optics and Fine Mechanics has proposed a configurational entropy engineering strategy that enables ultra-broadband emission in bismuth-doped glass fiber.