Research Progress
-
Novel Innovation in achieving significant enhancement of material optical nonlinearityA high Q-factor Friedrich-Wintergen bound state in the continuum based on epsilon-near-zero materials is proposed and demonstrated for the first time in the large loss indium tin oxide (ITO) film by embedding ITO thin films into metal-dielectric hybrid stru... Nonlinearities have important applications in all-optical signal processing, such as ultrafast laser generation, integrated photonic circuits, biosensing and biomedicine. The long-term goal of nonlinear optics is to dramatically change the refractive index ...Apr 24, 2024 -
Femtosecond Laser Direct Writing in the Core of Chalcogenide FiberChalcogenide glass fiber Bragg gratings was successfully fabricated by femtosecond laser direct writing. The results revel the potential of femtosecond laser direct writing in dielectric glass of high linear and non-linear refractive index. The successful d... Femtosecond lasers have emerged as a versatile and powerful instrument, capable of three-dimensional processing within dielectric materials. Among their applications, they have been employed to precisely inscribe Bragg grating structures in various types of...Mar 25, 2024 -
Using One Single Image to Realize On-orbit Calibration of Space Camera Lens DistortionAn on-orbit distortion parameter calibration method based on vanishing point consistency is proposed, simulated and experimental verified using a single image of the solar panel which is a commonly used element in most spacecraft to calibrate the space came... In various space tasks such as space rendezvous-docking and on-orbit maintenance, the measurement of the relative posture and position of non-cooperative spacecraft is a key premise. However, the commonly used global positioning system, radar detection syst...Mar 22, 2024 -
A Novel Transparent Microwave Absorber——Iodide-based GlassA research team led by Prof. WANG Pengfei from the Xi'an Institutes of Optics and Precision Mechanics of CAS has synthesized AgI-AgPO3-WO3 transparent conductive glasses and comprehensively investigated their structures, optical and electrical properties, m... The rapid development of the electronics industry has sparked widespread interest in transparent microwave-absorbing materials, due to their applications in EMI shielding windows and domes in aircraft and vessels, as well as panels and surveillance cameras ...Feb 27, 2024 -
A new method for Accelerating satellite optical communication networkingThe research team of Prof. HAN Junfeng from Xi'an Institute of Optics and Precision Mechanics has proposed an on orbit rapid calibration method based on parameter optimization for installation matrix of the optical communication terminal, which addresses th... Free-space optical communication (FSOC) with its high data transfer rate, strong security, and low power consumption, holds promising potential as the primary means for space information transfer in the next generation.The inherent small divergence angle of...Jan 04, 2024