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German researchers have developed a method for controlling and manipulating optical signals by embedding liquid crystal layers into waveguides created by direct laser writing. This work has produced devices capable of electro-optic control of polarization, which may open up possibilities for chip based devices and complex photonic circuits based on femtosecond write waveguides.Researcher Alexandro...
Optical metamaterials are an effective way to utilize their superior photon capture capabilities. Therefore, perfect absorbers can be achieved through nanoscale resonant plasmas and metamaterial structures.Metamaterial perfect absorbers (MPAs) are typically composed of periodic subwavelength metals (such as plasma superabsorbers) or dielectric resonance units. Compared with static passive physical...
On October 15th, the Laipu Technology National Headquarters and Integrated Circuit Equipment R&D and Manufacturing Base project successfully held a groundbreaking ceremony in the Chengdu High tech Zone.Project Business CardTotal project investment:1.66 billion yuanProject area:Covering an area of 39 acres, with a construction area of 65000 square metersProject Planning:Construction will begin...
Laser gas analysis can achieve high sensitivity and selectivity in gas detection. The multi-component capability and wide dynamic range of this detection method help analyze gas mixtures with a wide concentration range. Due to the fact that this method does not require sample preparation or pre concentration, it is easy to adopt in the laboratory or industry.Gas analysis is crucial for determining...
Recently, the research team of the High end Optoelectronic Equipment Department at the Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, has made progress in the study of wavefront calibration methods for interferometer testing. The relevant research results were published in Optics Express under the title of "High precision wavefront correction method ininterometer tes...