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Showing posts from February, 2026

Band Pass Filter

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  Band pass filter refers to a certain wavelength range, only a small section in the middle is a high transmittance passband, and on both sides of the band pass is a high reflectivity cutoff band filter. Compared with conventional bandpass filters, high-performance uv transmitting bandpass filters  have been greatly improved in important parameters such as transmittance and cutoff depth.   Overview of Band-pass Filter A filter whose spectral characteristic curve has blocking regions on both sides of the transmission band is called a custom optical bandpass filter . Band-pass filters are a critical category of optical thin-film components, widely applied in fields such as chemistry, spectroscopy, lasers, astrophysics, fiber-optic communications, and biology   Band-pass filters prepared using optical interference principles exhibit a transmission zone near a specific wavelength in their spectral curve, known as the passband, flanked by blocking regions. Additionally, s...

Ball Lens

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  Ball lenses as the name suggests are complete spheres.Ball Lenses are widely used in optical measurement systems,projection&imaging optical systems,laser collimating and focusing, laser-to-fiber coupling, fiber-to-fiber coupling, and fiber-to-detector coupling. Endoscopy,bar code readers.It is made of single piece of glass or crystal and can focus or collimate light,depending upon the geometry of the input source.   Atoptical can supply spherical ball lens , ruby ball lens , optical ball lens  in various materials, including BK7(Glass), Sapphire, CaF2,  or custom materials upon request.   Overview of Ball Lens ATOPTIK’s optical ball lenses are high-precision optical components used in fields such as optical communication, fiber coupling, laser collimation, and sensing. These lenses deliver outstanding optical performance and precision, playing a key role in efficient optical transmission and signal processing.   Specifications of Ball Lens   Feat...

Custom Optics Solutions

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  Custom Optics Solutions ATOPTIK with excellent technology, continuous innovation, proactive. In optical spherical lens, cylindrical lens, prism, window, mirror, filter and so on. The surface accuracy is better than λ/10 and is detected by advanced laser interferometer. AT Optical also provides optical coating, optical design and optical assembly full station services.   Optical Products ATOPTIK can process high-precision optical spherical lens, cylindrical lens, prism, window, mirror and so on. Standard size, custom size and other requirements should be met.   Spherical Lens ATOPTIK spherical lens is a lens with a fixed radius of curvature on the surface of the lens within the aperture of light. It can be customized according to customer drawings or sample processing to meet the different application needs of customers. Plano Convex Lens Plano Concave Lens Double Convex Lens Double Concave Lens Meniscus Lens Achromatic Lens   Cylindrical Lens Cylindrical lens are m...

Thin Film Coating Services

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  ATOPTIK - Professional Optical Thin Film Coating Services ATOPTIK has two OPTORUN OTFC-1300MM vacuum coating machines from Japan to deliver superior optical thin film coating  services, which have more stable physical properties: film thickness and roughness are superior, up to 100A (in λ/10 units). At the same time, the chemical composition is more uniform. It can process all kinds of IR-CUT filters, spectral filters, high reflection coatings, AR coatings, long wave pass filters, short wave pass filters, and a variety of electrical coatings. ATOPTIK is also equipped with a HITACHI UH4150 ultraviolet/visible/near-infrared spectrophotometer that fully meets the needs of customers for various optical thin films and coatings .   TYPES OF THIN FILM COATING  SERVICE Anti-reflection(AR) Coating Anti-reflection coatings reduce first surface reflection losses, improve contrast and boost the transmission through your optical surface. The anti-reflection film consists of a s...