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Laser remote speech detection signal analysis and processing
Laser remote speech detection signal analysis and processing The decoding of signal noise: signal analysis and processing of laser remote speech detection In the wondrous arena of technology, laser remote speech detection is like a beautiful symphony, but this symphony also has its own “noi...Read More -
Laser remote speech detection technology
Laser remote speech detection technology Laser remote speech detection: Revealing the structure of the detection system A thin laser beam dances gracefully through the air, silently searching for distant sounds, the principle behind this futuristic technological “magic” is strictly es...Read More -
Explore grating technology!
As a technology widely used in optics, spectroscopy and other fields, grating technology has a number of significant advantages, the following is a detailed summary of the advantages of grating technology: First, high-precision grating technology has the characteristics of high precision, which i...Read More -
Optical communication band, ultra-thin optical resonator
Optical communication band, ultra-thin optical resonator Optical resonators can localize specific wavelengths of light waves in a limited space, and have important applications in light-matter interaction, optical communication, optical sensing, and optical integration. The size of the resonator ...Read More -
Attosecond pulses reveal the secrets of time delay
Attosecond pulses reveal the secrets of time delay Scientists in the United States, with the help of attosecond pulses, have revealed new information about the photoelectric effect: the photoelectric emission delay is up to 700 attoseconds, much longer than previously expected. This latest resear...Read More -
Principles of photoacoustic imaging
Principles of photoacoustic imaging Photoacoustic Imaging (PAI) is a medical imaging technique that combines optics and acoustics to generate ultrasonic signals using the interaction of light with tissue to obtain high-resolution tissue images. It is widely used in biomedical fields, especially i...Read More -
Working principle of semiconductor laser
Working principle of semiconductor laser First of all, the parameter requirements for semiconductor lasers are introduced, mainly including the following aspects: 1. Photoelectric performance: including extinction ratio, dynamic linewidth and other parameters, these parameters directly affect the...Read More -
Application of semiconductor laser in medical field
Application of semiconductor laser in medical field Semiconductor laser is a kind of laser with semiconductor material as the gain medium, usually with natural cleavage plane as the resonator, relying on the jump between semiconductor energy bands to emit light. Therefore, it has the advantages o...Read More -
New high sensitivity photodetector
New high sensitivity photodetector Recently, a research team at the Chinese Academy of Sciences (CAS) based on polycrystalline gallium-rich Gallium oxide Materials (PGR-GaOX) proposed for the first time a new design strategy for high sensitivity and high response speed high photodetector through...Read More -
Quantum encrypted communication
Quantum encrypted communication Quantum secret communication, also known as quantum key distribution, is the only communication method that has been proven to be absolutely secure at the current human cognitive level. It’s function is to dynamically distribute the key between Alice and Bob ...Read More -
Optical signal detection hardware spectrometer
Optical signal detection hardware spectrometer A spectrometer is an optical instrument that separates polychromatic light into a spectrum. There are many types of spectrometers, in addition to the spectrometers used in the visible light band, there are infrared spectrometers and ultraviolet spect...Read More -
Application of quantum microwave photonics technology
Application of quantum microwave photonics technology Weak signal detection One of the most promising applications of quantum microwave photonics technology is the detection of extremely weak microwave/RF signals. By utilizing single photon detection, these systems are far more sensitive than tra...Read More
