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

Research Progress

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
Researchers achieve fused silica with high damage threshold by combing chemical etching and laser polishing

Laser damage in fused silica, particularly ultraviolet laser damage, is still a key problem limiting the development of high-power laser systems.2020-11-02
Scientists fabricate a novel ternary ZrO₂-Al₂O₃-YAG:Ce ceramic phosphor for warm w-LEDs

To improve the light quality and enhance the luminous efficiency (LE) of YAG: Ce phosphor, a research team from Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, successfully fabricated a novel ternary ZrO2-Al2O3-YAG: C...2020-10-27
Researchers invent a new method for preparing perovskite quantum dots using glass as a precursor

Recently, the research team of Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences has made new progress in the preparation of perovskite quantum dots using glass with low glass transition temperature as a precursor. 2020-10-24
A Yb-doped fiber laser generates dissipative soliton with large anomalous dispersion

Dissipative soliton (DS) fiber lasers are proved to have great potential for producing optical pulses with extremely high energy and peak power.2020-10-14
Scientists achieve distributed directional listening with DAS and directionally coherent enhancement

Recently, a research team from Shanghai Institute of Optics and Fine Mechanics of the Chinese Academy of Sciences (CAS) proposed multi-source aliasing suppression for distributed fiber acoustic sensing (DAS) with directionally coherent enhancement...2020-10-13
Researchers develop the precipitation of CsPbBr₃ quantum dots in borophosphate glasses inducted by UV-NIR ultrafast lasers

Recently, the research team of Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences has made new progress in the precipitation of CsPbBr3 quantum dots in borophosphate glasses inducted by UV-NIR ultrafast lasers. 2020-10-12
A novel design of double chirped pulse amplification laser systems for fourth order dispersion control

Shanghai Institute of Optics and Fine Mechanics (SIOM) proposed a novel design of double chirped pulse amplification (DCPA) laser systems implementing a combination of negatively and positively chirped pulse amplification (NPCPA), which is the fir...2020-10-10
Scientists establish a structure-property model to analyze the field strength and neighbor symmetry of Yb³⁺

Recently, the research team of Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences has made new progress in the structure-property modeling method for phosphogermanate glass based on XPS.2020-10-09
A dual-wavelength ocean lidar for vertical profiling of oceanic backscatter and attenuation

Ocean water column information profiles are essential for ocean research. Currently, water column profiles are typically obtained by ocean lidar instruments, including spaceborne, airborne and shipborne lidar, most of which are equipped with a 532...2020-09-29

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