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 Sterilization

Harnessing Spectral Purity: Enhancing UV Sterilization with Optical Filters

Illuminating UV Sterilization and Disinfection
Ultraviolet (UV) sterilization and disinfection is a method of killing or deactivating microorganisms by exposing them to UV light, particularly UV-C radiation (wavelengths between 200-280 nm). This non-chemical approach to sterilization is widely used in healthcare settings, water treatment, food processing, and air purification because it effectively disrupts the DNA and RNA of pathogens, preventing them from replicating.
Optical filters play an integral role in UV sterilization by shaping the UV light emitted from sources, such as low-pressure mercury lamps or LEDs, to optimize their germicidal effectiveness. These filters can isolate the precise wavelengths needed for microbial inactivation, protect surrounding materials from harmful exposure, and enhance the efficiency and lifetime of UV light sources.
Let's explore the application of different optical filter types in the critical context of UV sterilization and disinfection processes.
Dichroic Filters: Directing Efficient Disinfection
Dichroic filters are masterful in controlling light with sophistication and precision:
● Reflective Functionality: Dichroic filters can be engineered to reflect only the narrow band of UV-C radiation while transmitting visible and infrared light, focusing the sterilizing power precisely where needed and mitigating heat buildup.
● Enhanced Source Efficiency: In UV LED systems, these filters help direct more of the emitted light onto the target area, enhancing illumination intensity and effectiveness without excessive power consumption.
Dichroic filters ensure that UV sterilization systems deliver concentrated and directed germicidal radiation with greater efficiency and safety.
IR Filters: Maintaining Cool Operation
Infrared filters serve the dual purpose of protecting equipment and enhancing user safety in UV sterilization:
● Thermal Control: By blocking the transmission of IR radiation, these filters reduce the heat stress on both the biological targets of UV sterilization and the materials that make up the sterilization equipment, preventing overheating and potential heat damage.
● Protective Shielding: In devices where users can be exposed to the light source, IR filters can be used to ensure only the UV-C germicidal wavelengths reach the disinfection zone, thereby safeguarding against unwanted IR exposure.
The incorporation of IR filters aids in maintaining the functional integrity of UV sterilization systems while ensuring operational safety.
Bandpass Filters: Precision Germicidal Wavelengths
Bandpass filters are critical for securing the selectivity of light in UV sterilization systems:
● Wavelength Specificity: Since UV-C light around 254 nm is most effective for sterilization, bandpass filters ensure the emission falls within this maximally absorbable range for DNA and RNA bases, which enhances the microbial inactivation rate.
● Signal-to-Noise Ratio: In sensor-based systems monitoring UV output, bandpass filters improve the signal-to-noise ratio by isolating the sensor's response to the germicidal wavelength, ensuring reliable operation.
Through the isolation of specific germicidal wavelengths, bandpass filters improve the specificity and effectiveness of sterilization processes.
UV Blocking Filters: Safeguarding Sensitive Areas
UV blocking filters are especially important in areas adjacent to where UV sterilization takes place:
● Safety for Operators and Patients: Implemented in protective eyewear or barriers, these filters block UV-C radiation from reaching human skin or eyes, which could be harmful upon exposure.
● Material Longevity: They protect materials and surfaces in close proximity to UV-C sources that might degrade from prolonged UV exposure, such as plastics or organic materials.
These filters are crucial for ensuring that UV sterilization remains a safe procedure for both the operators and the equipment involved.
Conclusion: A Clear Path to Sterilization with Optical Filters
Optical filters bring vital enhancements to UV sterilization systems, ensuring that these cleaning solutions operate efficiently and safely. By tailoring and controlling the UV-C spectrum, optical filters maximize the disinfectant potential while providing essential protection against excess heat and inadvertent exposure.
KUPO Optics stands at the forefront of developing and supplying optical filters for UV sterilization and disinfection applications. Our expertise in precision optics supports industries in delivering enhanced safety through reliable and effective sterilization services. Trust KUPO Optics for your UV sterilization needs, and benefit from a partnership dedicated to excellence in optical solutions and a commitment to public health safety.