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.


UV Blocking Filters

KUPO Optics' UV Blocking Filters represent a pinnacle in optical engineering, offering a robust solution to the pervasive challenge of ultraviolet radiation in various environments. These filters are meticulously designed to block the harmful UV spectrum, a feature crucial for the protection and longevity of sensitive materials and objects. The UV Blocking Filters excel in environments where UV exposure is a concern, such as in art galleries and museums, where they play an indispensable role in preserving the integrity of valuable artifacts and artworks from UV-induced fading and degradation.

Crafted with precision, these filters showcase a remarkable consistency across batches, ensuring that each piece meets the stringent standards set by KUPO Optics. This uniformity is vital in professional settings where discrepancies in performance are not an option. The filters boast an impressive ability to absorb and block UV rays while maintaining exceptional transmission of visible light, ensuring that the quality and clarity of illumination are not compromised. This makes them an ideal choice for photographers who seek to protect their lenses from UV damage while capturing images with utmost clarity and true-to-life colors.

The advanced construction of KUPO's UV Blocking Filters, adhering to the MIL-M-13508C standards, underscores their durability and resilience in the face of environmental challenges. Whether it's for preserving the timeless beauty of art pieces or for the precision needs of photography, these filters stand as a testament to KUPO Optics' commitment to excellence in protecting against the unseen yet potentially damaging effects of UV light. In essence, they are not just filters, but guardians of quality and preservation in the realms of art, history, and visual expression. 

The Applications of UV Blocking Filters

UV blocking filters are pivotal for eliminating the potential negative effects of ultraviolet radiation across a myriad of applications. By filtering out the UV light spectrum, these filters preserve the integrity and enhance the performance of systems where UV light could lead to damage or interference. From photography to aerospace, various industries rely on UV blocking filters for protection and quality assurance, making them a versatile and indispensable component in modern technology.
UV blocking filters serve a dual purpose in photography: they protect the camera lens from scratches and dust, and more importantly, they filter out UV light which can cause haziness and a blue color cast in images. This results in clearer and more vibrant photos, especially in environments with high UV exposure, such as at high altitudes or when capturing subjects in open waters.
Machine Vision
In machine vision systems, clarity is of utmost importance. UV blocking filters help in preventing UV light from distorting the readings and imagings of cameras and sensors used for intricate tasks such as inspection, sorting, and pattern recognition. This ensures reliability and accuracy in machine-sourced data, leading to improved productivity and quality in industrial processes.
Stage Lighting
When it comes to stage lighting, UV blocking filters are essential for protecting performers, audience, and materials from the potential harmful effects of UV rays. They are used to eliminate UV light from fixtures that may contribute to the heat and UV exposure on stage, thus prolonging the life of color filters and other sensitive components in stage lighting arrays.
Museums and Art Galleries
UV blocking filters play a critical role in museums and art galleries, where the preservation of artifacts and artwork is paramount. These filters are used in display lighting to prevent UV light from fading or degrading delicate materials, ensuring that these cultural and historical items are preserved and maintain their original appearance over time.
Consumer Electronics
In the field of consumer electronics, UV blocking filters enhance the performance of various devices. Applied on the screens of smartphones, tablets, and monitors, these filters not only protect the users' eyes from UV rays but also prevent the UV light from affecting the durability and visibility of these displays.
For aerospace applications, UV blocking filters are used to safeguard sensitive components and instruments from the harsh UV radiation found at high altitudes and in space. They are critical for space telescopes, satellites, and spacecraft windows, protecting both the equipment and the data integrity from solar UV radiation.
Medical and Scientific Equipment
In medical and scientific equipment, these filters are used to prevent UV-induced degradation and to ensure accurate readings in devices such as microscopes, spectrophotometers, and medical imaging systems. This is crucial in avoiding the potential alteration of biological samples and ensuring the precision of diagnostic procedures.
Solar Panels
UV blocking filters are employed to improve the longevity and efficiency of solar panels. By limiting the exposure to UV light, which can accelerate the aging of solar cells and associated materials, these filters contribute to maintaining the performance and extending the service life of solar energy systems.
Automotive Industry
In the automotive industry, UV blocking filters are integrated into headlight systems and vehicle displays to reduce glare and protect against UV damage. They help in offering clearer visibility for drivers and contribute to the safety and durability of vehicle components.
UV blocking filters, with their ability to shield and enhance, are integral to the operation and preservation of a broad spectrum of applications. These filters are an unassuming yet powerful tool in the protection against UV light, aiding industries worldwide in promoting safety, enhancing visual quality, and extending the lifespan of products and equipment reliant on light-sensitive operations. As UV exposure concerns persist, the application of UV blocking filters continues to be a crucial aspect in the design and innovation of technology.



KUPO Dichroic/ UV Blocking Filters


● Perfect piece-to-piece, batch-to-batch consistency
● Blocking and Absorbing UV
● Excellent visible light transmission

Examples of Applications

● Art Gallery
● Museum Lighting
● Photography

General Specification

● Optical Tolerance: T50% +/-5nm
● Available Substrate: See Glass Substrates under Products Page
● Humidity, Adhesion, and Abrasion: MIL-M-13508C