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  • What are the common materials for machining optical element?

    What are the common materials for machining optical element?

    What are the common materials used for machining optical element? The materials commonly used for processing optical element mainly include ordinary optical glass, optical plastics, and optical crystals. Optical glass Because of its easy access to high uniformity of good transmittance, it has bec...
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  • What is a spatial light modulator?

    What is a spatial light modulator?

    Spatial light modulator means that under active control, it can modulate some parameters of light field through liquid crystal molecules, such as modulating the amplitude of light field, modulating the phase through the refractive index, modulating the polarization state through the rotation of ...
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  • What is optical wireless communication?

    What is optical wireless communication?

    Optical Wireless Communication (OWC) is a form of optical communication in which signals are transmitted using unguided visible, infrared (IR), or ultraviolet (UV) light. OWC systems operating at visible wavelengths (390 — 750 nm) are often referred to as visible light communication (VLC). ...
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  • What is optical phased array technology?

    What is optical phased array technology?

    By controlling the phase of the unit beam in the beam array, the optical phased array technology can realize the reconstruction or precise regulation of the array beam isopic plane. It has the advantages of small volume and mass of the system, fast response speed and good beam quality. The workin...
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  • Principle and development of diffractive optical elements

    Principle and development of diffractive optical elements

    Diffraction optical element is a kind of optical element with high diffraction efficiency, which is based on the diffraction theory of light wave and uses computer-aided design and semiconductor chip manufacturing process to etch the step or continuous relief structure on the substrate (or the su...
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  • Future application of quantum communication

    Future application of quantum communication

    Future application of quantum communication Quantum communication is a communication mode based on the principle of quantum mechanics. It has the advantages of high security and information transmission speed, so it is regarded as an important development direction in the future communication fie...
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  • Understand the wavelengths of 850nm, 1310nm and 1550nm in optical fiber

    Understand the wavelengths of 850nm, 1310nm and 1550nm in optical fiber

    Understand the wavelengths of 850nm, 1310nm and 1550nm in optical fiber Light is defined by its wavelength, and in fiber optic communications , the light used is in the infrared region, where the wavelength of light is greater than that of visible light. In optical fiber communication, the typica...
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  • Revolutionizing Space Communication: Ultra-High Speed Optical Transmission.

    Revolutionizing Space Communication: Ultra-High Speed Optical Transmission.

    Scientists and engineers have developed an innovative technology that promises to revolutionize space communication systems. Using advanced 850nm electro-optic intensity modulators that support 10G, low insertion loss, low half voltage, and high stability, the team has successfully developed a sp...
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  • standard intensity modulator solutions

    standard intensity modulator solutions

    Intensity modulator As a modulator widely used in various optical systems, its variety and performance can be described as numerous and complicated. Today, I have prepared four standard intensity modulator solutions for you: mechanical solutions, electro-optical solutions, Acousto-optic s...
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  • Principle and progress of quantum communication technology

    Principle and progress of quantum communication technology

    Quantum communication is the central part of quantum information technology. It has the advantages of absolute secrecy, large communication capacity, fast transmission speed, and so on. It can complete the particular tasks that classical communication can not achieve. Quantum communication can us...
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  • Principle and classification of fog

    Principle and classification of fog

    Principle and classification of fog   (1)principle   The principle of fog is called Sagnac effect in physics. In a closed light path, two beams of light from the same light source will be interfered when they are converged to the same detection point. If the closed light path has rotation relati...
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  • The working principle of directional coupler

    The working principle of directional coupler

    Directional couplers are standard microwave/millimeter wave components in microwave measurement and other microwave systems. They can be used for signal isolation, separation, and mixing, such as power monitoring, source output power stabilization, signal source isolation, transmission and refl...
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