About us

Since our inception in 1992, KUPO Optics has been at the forefront of the optical coatings and filters industry. With a steadfast commitment to quality, we've carved out a distinguished reputation, providing top-tier optical solutions. Our focus on maintaining high standards has positioned us as a leader in the professional optical filter market, catering to a diverse range of industries with unmatched expertise and precision.

State-of-the-art Facilities

Our dedication to excellence is reflected in our investment in cutting-edge production technology. Our arsenal includes advanced planetary coating machines, precise linear and laser cutting tools, and high-resolution spectrometers. This sophisticated equipment enables us to craft filters and coatings with exceptional accuracy and consistency, ensuring each product meets our stringent quality benchmarks.


Wide Range Applications

KUPO Optics' products find their application across a vast array of fields. We cater to sectors as diverse as medical and fluorescence imaging, machine vision, astronomy, defense systems, and entertainment. Our optical filters and coatings are integral in enhancing the performance and functionality of various devices and systems in these industries.


Flexibility and Customization

We understand the urgency and unique requirements of our clients. Our extensive inventory is poised to fulfill rush orders, demonstrating our commitment to responsive service. Furthermore, our seasoned R&D team is adept at developing bespoke filters tailored to meet the most exacting specifications, providing solutions that align perfectly with client needs.


KUPO Dichroic Filter

At KUPO Optics, the precision and consistency of our optical filters are a testament to our advanced coating chambers equipped with planetary revolution and Ion Assistant Deposition (IAD) technology. Adhering to MIL-M-13508C standards, our rigorous manufacturing process ensures each filter withstands environmental challenges, including abrasion, humidity, and flaking. Our commitment to quality is further solidified by our adherence to ISO 9001 standards, guaranteeing uniformity in all our products.
Our relentless pursuit of innovation is grounded in continuous research and development. We are dedicated to exploring new possibilities in optical solutions, striving to exceed expectations in both product quality and customer service. At KUPO Optics, your satisfaction is our priority. We welcome your inquiries and are committed to providing prompt and comprehensive responses to all your needs.


Black Chrome Coatings

KUPO Optics introduces its Black Chrome Coatings, an advanced optical solution tailored for high-precision applications demanding minimal light interference. This innovative coating is a testament to our commitment to leading-edge technology, offering unparalleled performance in controlling light transmission and reflection.
Characterized by its stable chemical properties, the black chrome coating excels in applications where light control is paramount. With its remarkably low transmission and reflection rates, it serves as an ideal component in critical processes like integrated circuit manufacturing and LCD masking. The coating effectively reduces glare and stray light, ensuring accuracy and consistency in sensitive environments. This makes it an indispensable tool in semiconductor wafer processing and lens masking, where even the slightest light interference can impact the outcome.
Beyond its optical prowess, the black chrome coating is designed with durability in mind. Meeting the rigorous MIL-M-13508C standards for humidity, adhesion, and abrasion resistance, it stands up to the challenges of demanding industrial environments. Whether used in the fabrication of integrated circuits or as a shade for image sensors, KUPO Optics' Black Chrome Coatings ensure reliability, precision, and quality, solidifying our role as a leader in optical innovation. 

The Applications of Black Chrome Coatings

Black chrome coating is a distinctive finishing process applied to optical components, offering enhanced durability, reduced glare, and improved absorption of unwanted light. In environments where precision and minimal light reflection are critical, black chrome stands out as the coating of choice. It finds applications in an array of industries, significantly improving the performance and longevity of optical systems.
Machine Vision
In machine vision technologies, black chrome-coated components are integral for achieving high-precision imaging. This is particularly important in inspection and measurement systems where accuracy is paramount. Lenses, sensor housings, and other optical surfaces treated with black chrome help avoid reflections that could interfere with the imaging algorithms, ensuring precise and consistent data acquisition.
Stage Lighting
The use of black chrome coating in stage lighting components provides a practical solution for managing stray light emissions and flare that can detract from the intended lighting effects. Components such as reflectors, housings, and fixture interiors with a black chrome finish absorb excess light to maintain the director's artistic vision, ensuring the audience's focus remains on the performance.
Laser Systems
For laser systems, including those used in cutting, engraving, and medical procedures, black chrome coatings on optical elements ensure minimal interference from stray reflections. The durability of the coating also provides protection against the high-energy impacts inherent in laser work, maintaining the quality of the beam and the precision of the laser process over time.
Photography and Cinematography
In photography and cinematography, black chrome is applied to the interior of camera bodies and lens barrels, where it mitigates the internal reflections that can lead to lens flare and ghosting. This enhances the contrast and color fidelity of photographs and video footage, allowing professionals to capture images that are true to the original scene.
Aerospace and Defense
The aerospace and defense sectors demand optical components that can withstand harsh environments while providing reliable performance. Black chrome-coated elements in telescopes, targeting systems, and surveillance equipment resist corrosion and reduce reflections from bright skies or harsh artificial lights, ensuring clear visibility and accurate operability in critical situations.
Optical components with black chrome coatings are employed in telecommunications equipment such as fiber optic connectors and switches. The coating aids in preventing signal loss due to reflections at connector interfaces, enhancing signal strength and maintaining data integrity across vast communication networks.
Medical Devices
Optical instruments in the medical field, such as endoscopes and diagnostic tools, benefit from black chrome coatings that reduce glare and reflection, invaluable during intricate medical procedures where exact visual details can be a matter of patient safety and successful outcomes.
Scientific and Research Instruments
Research instruments like microscopes and telescopes enhanced with black chrome coatings on their optical components achieve greater accuracy by minimizing light distortion. This is crucial for experiments and observations where even the smallest reflection or scatter of light could significantly impact results.
The diverse applications of black chrome coating within optic components reveal its importance to multiple facets of industry and technology. As a tool to combat unwanted reflections and ensure the robustness of optical systems, black chrome coating remains an indispensable asset, continually pushing the boundaries of what is achievable in light-related applications.
KUPO Dichroic/ Black Chrome Coatings


● Shade blaze
● Low transmission of light
● Low reflection of light

Examples of Applications

● Lens Masking
● Wafer Masking
● LCD Masking
● Integrated Circuit

General Specification

● Available Substrate: See Glass Substrates under Products Page
● Humidity, Adhesion, and Abrasion: MIL-M-13508C