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Acrylic filter
An acrylic filter is an optical filter made from acrylic material, also known as polymethyl methacrylate (PMMA). Acrylic is a lightweight, impact-resistant plastic with good optical properties and relatively low cost, making it widely used in the production of various optical components, including filters. Acrylic filters exhibit excellent optical characteristics and durability in many applications. Characteristics of Acrylic Filters Transparency: Acrylic materials have good transparency and can effectively transmit visible light and some near-infrared light. Impact Resistance: Acrylic is more resilient and less likely to break compared to glass, making acrylic filters more durable in practical applications. Lightweight: Acrylic is lighter than glass, so the filters made from it are also lighter, making them easier to handle and install. Machinability: Acrylic is easy to process and shape, allowing for the…
Gradient Index Lens
1.1 SelfFocusing Lens A selffocusing lens is an optical element with focusing and imaging capabilities. Its refractive index gradually changes along the radial direction, which allows it to be widely used in various microoptical systems. 1.2 Characteristics of SelfFocusing Lenses Selffocusing lenses achieve continuous refraction of light within the lens by having a refractive index that decreases gradually along the radial direction. This characteristic sets them apart from traditional lenses, which rely on the curvature of the lens surface to converge light rays. 1.3 Light Propagation in Different Pitch SelfFocusing Lenses 1.4 Key Parameters of SelfFocusing Lenses Pitch (P): The length of one full sine wave cycle of a light beam traveling along a sine path. Lens Length (Z): The distance between the central axes of both ends of the…
How does Band Pass Filter Work?
A band-pass filter or bandpass filter (BPF) is a device that passes frequencies within a certain range and rejects (attenuates) frequencies outside that range. Description of Band Pass Filter An example of an analogue electronic band-pass filter is an RLC circuit (a resistor–inductor–capacitor circuit). These filters can also be created by combining a low-pass filter with a high-pass filter. Bandpass is an adjective that describes a type of filter or filtering process; it is to be distinguished from passband, which refers to the actual portion of affected spectrum. Hence, one might say “A dual bandpass filter has two passbands.” A bandpass signal is a signal containing a band of frequencies not adjacent to zero frequency, such as a signal that comes out of a bandpass filter. An ideal bandpass filter…
Objective Lens
Optical Characteristics: Wide field of view Large aperture Color correction Low distortion The objective lens is a crucial component in optical devices, specifically referring to the lens located between the sample or observed object and the eyepiece in microscopes or telescopes. It collects and magnifies light, allowing the sample or observed object to be viewed through the eyepiece. VY Optical Product Features: High Definition Imaging: Utilizing advanced optical design and premium materials to ensure imaging clarity and accuracy, providing users with precise observation results. Wide Range of Applications: Suitable for various applications in fields such as biology, medicine, industrial inspection, astronomy, etc., catering to different user needs. Premium Materials: Adopting high-quality optical glass and coating technology, featuring excellent light transmission and abrasion resistance, ensuring long-term stable performance of the product.…
SelfFocusing Coupling Lenses
What is a SelfFocusing Coupling Lens? A selffocusing coupling lens is an advanced optical element that can efficiently couple light emitted from a light source into singlemode or multimode fibers. Its unique gradient refractive index design makes it excel in coupling efficiency and ease of installation, and it is widely used in stage laser products and active optical devices. Features of SelfFocusing Coupling Lenses 2.1 High Coupling Efficiency Selffocusing coupling lenses achieve high coupling efficiency through their internal gradient refractive index design, which allows continuous refraction of light within the lens. This ensures that light is precisely focused onto the core of the optical fiber, minimizing energy loss and improving the overall system performance. 2.2 Easy Installation The cylindrical structure design and endface treatment process of selffocusing coupling lenses make…
Happy Chinese Lunar Year
VY Optoelectronics Co.,Ltd are going to have holidays from Jan.23rd to Jan.31st for our Chinese New Year, it’s the biggest festival in China. We all here may you a Happy Chinese New Year 2020! Gong Xi Fa Chai!