Shanghai Institute of Optics and Fine Mechanics----Research Progress

Research Progress

Researchers propose a strategy to improve the long-term stability of low-stress e-beam coatings

Recently, a research team from the Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, proposed a shell layer strategy to achieve a low-stress e-beam coating with significantly improved long-term stability. The work was p...2020-12-10
Scientists demonstrate laser direct mapping of attosecond electron dynamics

Research group from Shanghai Institute of Optics and Fine Mechanics of the Chinese Academy of Sciences (CAS) have observed periodic electron bunch fringes induced by the femtosecond laser field. Scientists demonstrated for the first time direct me...2020-12-10
Scientists demonstrate the high-harmonic generation from topological surface states

Research groups of Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, and Nanjing University have observed the strong field-driven phenomenon from topological nontrivial states. They demonstrate for the first time the hi...2020-11-30
DIO additives contribute to the efficiency of PSCs

Recently, the State Key Laboratory of High Field Laser Physics of SIOM, CAS, has made progress in ultrafast dynamics of polymer solar cells (PSCs) with Soochow University. The research team used femtosecond transient absorption technology to study...2020-11-26
Scientists propose a machine learning method on two-dimensional material spectroscopy

Recently, a study led by Prof. Wang Jun from Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, proposed a recognition method to distinguish the monolayer continuous film and random defect areas of 2D semiconductors usin...2020-11-18
New technology in the tailoring optoelectrical properties of indium tin oxide thin films

Recently, researchers from Shanghai Institute of Optics and Fine Mechanics (SIOM) have made new progress in the tailoring optoelectrical properties of indium tin oxide (ITO) thin films.2020-11-12
Scientists propose for the first time using the coherent transition radiation to accelerate positrons and obtained a quasi-monoenergetic positron beam

Since the concept of laser wakefield acceleration (LWFA) being first proposed, electron acceleration driven by femtosecond relativistic laser pulse has made remarkable progress.2020-11-10
Nd,Er:LaF₃ single crystal: a promising candidate for 2.7 um lasers

In recent years, ~ 3 μm mid-infrared lasers have attracted much attention due to wide applications in biomedical treatments, molecular fingerprint identification and optical parametric oscillation (OPO) pumping source.2020-11-09
Researchers propose a source mask optimization technique in computational lithography

Recently, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), has proposed a source mask optimization technique using the covariance matrix adaptation evolution strategy (CMA-ES) and a novel source representa...2020-11-09
Resonant frequency doubling of few-frequency laser for further power scaling of visible fiber lasers

Recently, researchers from Shanghai Institute of Optics and Fine Mechanics (SIOM) of the Chinese Academy of Sciences (CAS) have proposed a new approach for further power scaling of frequency doubled fiber lasers.2020-11-04

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