brdoptical

  The main mirrors offered by ECOPTIK  are laser mirrors, metal coated mirrors, partial mirrors and cavity mirrors for laser applications and others.   Description of Micro mirror The main Mirrors offered by ECOPTIK  are: High Reflectivity Mirrors, Metal Coated Mirrors, Laser Cavity Mirrors. We are in accordance with customer requirements of the band, incidence Angle, reflectivity and other design and processing.   Specifications of Micro mirror Materials BK7, Fused Silica or others Dimension 0.5mm~5mm Dimensional Tolerance ± 0.05mm Flatness λ/4~λ/10 @ 632.8nm Surface Quality 20/10 Clear Aperture >90% of Dimension Coating HR coating, Metal coating, or upon clients' request

  Ecoptik provides meniscus lens in both positive and negative focal lengths. These meniscus lenses are useful when used with another lenses to increase or decrease the focal length. This meniscus lens element configuration does not introduce any additional coma or spherical aberrations   W hat is positive meniscus lens Description Of positive vs negative meniscus lens Ecoptik  (also known as BRD Optical) provides meniscus lens in both positive and negative focal lengths. On the aspect of shape, it can be divided into convex meniscus lens and concave meniscus lens. On the aspect of the effect, it can be divided into diverging and converging meniscus lens.   Positive Meniscus Lens A positive lens consists of two curved surfaces with similar radii of curvature and has a positive focal length. diverging meniscus lens are typically used for related applications such as reducing the focal length of another lens, increasing the numerical aperture, etc.In order to reduce sp...

  In the vast field of optical technology, anamorphic prisms , as a special type of optical element, have gained widespread attention and application due to their unique functionality. Anamorphic prisms are not just simple optical components, but important tools for beam shaping and regulation in optical systems.   Definition of Anamorphic Prism   Anamorphic prisms are prisms that can change the propagation path and cross-sectional shape of a light beam. Their design is based on the principle of optical refraction. By using asymmetrical prism interfaces, they precisely refract the incident light, thus achieving directional expansion or compression of the light beam. This fine-tuning capability makes anamorphic prisms outstanding in beam shaping.   Characteristics of Anamorphic Prism   Anamorphic prisms possess great precision and flexibility. On one hand, they can control the propagation direction and shape of the light beam with high accuracy, ensuring that the...

  A spheric L enses A dvantages : Do You Understand? In modern optical design, the application of aspheric lenses is becoming increasingly widespread. Compared to traditional spherical lenses, aspheric lenses have many advantages, such as effectively improving image quality, reducing system size and weight. However, aspheric lenses also have some disadvantages, such as higher manufacturing costs. This article will detail the advantages and disadvantages of aspheric lenses and analyze their application scenarios in optical systems.   As for the topic Spheric vs Aspheric lenses, spheric lenses have significant advantages over spherical lenses, especially in reducing aberrations and optimizing optical systems. Below are four major advantages of aspheric lenses:   Reducing Spherical Aberration: Aspheric Lenses Improve Image Quality   In optical design, aberration is one of the main factors affecting image quality. Spherical aberration is one of the most common aberration...

  Silicon lenses have gained significant popularity in recent years due to their numerous advantages and unique properties. As a leading brand in the industry, ecoptik understands the importance of staying ahead of the curve when it comes to innovative lens technology. In this blog, we will explore the advantages and disadvantages of silicon lenses , shedding light on why they continue to dominate the market.   Advantage 1: High Refractive Index Silicon lenses boast a high refractive index when compared to traditional glass lenses. This characteristic allows silicon lenses to bend and focus light more efficiently, resulting in sharper and clearer images. Additionally, the high refractive index of silicon lenses reduces the occurrence of chromatic aberrations, enhancing the overall image quality.   Advantage 2: Lightweight and Durable One of the key advantages of silicon lens  is their lightweight nature. Compared to glass lenses, silicon lenses are significantly ligh...

  Ordinary achromatic lens refers to a lens group that corrects the chromatic aberration of three wavelengths (blue light, green light, and red light).   Because the converging lens focuses blue light closer to the focal point, and the concave lens has a higher dispersion rate for blue light, the positive and negative two-lens chromatic aberration can make the red and blue two colors overlap into one, basically eliminating chromatic aberration. The crescent-shaped surface can limit spherical aberration and coma. However, astigmatism and distortion still exist. Achromatic lenses  were commonly used for photographing landscapes, hence the name Landscape Lens.   The shape is crescent-shaped (concave-convex), and it is made by bonding two lenses with different refractive index and dispersion rate together. It was first made by bonding a flat concave lens with a double convex lens in 1821; later improved in 1857 (crescent-shaped). Subsequently, multilayer bonded achromati...