Optical filters are designed to selectively transmit, block, or attenuate specific wavelength ranges, enabling precise control of light in optical systems. By combining high-quality substrates with advanced thin-film coating technologies, optical filters deliver accurate spectral performance, high transmission efficiency, and long-term stability. They are widely used in imaging, spectroscopy, fluorescence analysis, laser systems, and infrared applications.
Eata Ray provides flexible customization solutions for optical filters to meet specific spectral, mechanical, and environmental requirements. By tailoring wavelength ranges, bandwidths, coating structures, and substrate materials, our custom filters deliver precise spectral control, high transmission efficiency, and long-term stability. Customized solutions are available for UV, visible, infrared, and mid-/far-infrared applications, supporting research, industrial, and OEM optical systems.
Custom wavelength, bandwidth, and cutoff specifications ensure accurate transmission and blocking performance.
Multilayer thin-film coatings optimized for high transmission, deep blocking, and durability.
Substrates including optical glass, fused silica, IR crystals, and specialty materials for extended wavelength ranges..
Custom sizes, thicknesses, and shapes for seamless system integration.
Filters optimized for fluorescence, laser, imaging, or infrared applications.
Eata Ray follows a streamlined customization process to ensure optical filters meet defined performance and integration requirements.
Eata Ray offers a broad range of optical filters covering ultraviolet, visible, infrared, and mid- to far-infrared spectral regions. Our portfolio includes standard and application-specific filters such as narrow-band, edge, neutral density, dichroic, and fluorescence filters. With reliable optical performance and flexible customization options, Eata Ray filters support demanding scientific, industrial, and OEM optical systems.
Please click on the filter box below to quickly locate the filters products you need.
Narrow‑band Filter
Long‑wave Pass Filter
Short‑wave Pass Filter
Neutral Density (ND) Filter
Dichroic Filter
Mid‑/far‑infrared Filter
Fluorescence Filter
Narrow-band filters are designed to transmit a very specific wavelength or narrow spectral range while effectively blocking adjacent wavelengths. They are typically manufactured using multilayer dielectric coatings to achieve high peak transmission and steep spectral edges. These filters provide excellent wavelength selectivity and stability, making them ideal for precision optical measurements and imaging systems.
Long-wave pass filters transmit wavelengths longer than a defined cutoff point while blocking shorter wavelengths. Using optimized thin-film coatings, they offer sharp cutoff characteristics and high transmission in the passband. Long-wave pass filters are commonly used to suppress unwanted short-wavelength light and improve signal-to-noise ratios in optical systems.
Short-wave pass filters allow shorter wavelengths to pass while blocking longer wavelengths beyond the cutoff wavelength. They are designed with precise spectral control to maintain high transmission and effective blocking performance. These filters are frequently used to isolate excitation light or eliminate infrared interference in optical setups.
Neutral density filters reduce light intensity evenly across a specified wavelength range without altering the spectral distribution. Available in absorptive or reflective designs, ND filters provide controlled attenuation levels while preserving beam quality. They are essential for managing light intensity and protecting sensitive detectors or cameras.
Dichroic filters selectively reflect certain wavelength ranges while transmitting others, enabling efficient wavelength separation or combination. Their angle-dependent design and high reflectivity make them ideal for multi-channel optical systems. Dichroic filters are widely used where simultaneous transmission and reflection of different wavelengths is required.
Mid- and far-infrared filters are designed to operate in extended infrared wavelength ranges, using specialized substrates and coatings to ensure stable performance. These filters provide accurate spectral control and are suitable for thermal, analytical, and sensing applications where IR wavelength selection is critical.
Fluorescence filters are engineered to precisely isolate excitation and emission wavelengths while minimizing spectral overlap. They typically feature high transmission, deep blocking, and low autofluorescence characteristics, enabling high-contrast fluorescence detection in analytical and imaging systems.
With a comprehensive range of standard and customized optical mirrors, Eata Ray is committed to delivering reliable, high-performance solutions for scientific research, industrial manufacturing, and advanced optical systems. Whether for precision alignment, high-power laser applications, or adaptive optics, our mirror solutions are designed to support your project with consistent quality, technical expertise, and responsive service. If you would like to learn more about product details or technical specifications, please feel free to contact us at any time.
For Research or Industrial Raw Materials, Not For Personal Medical Use!
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