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.


Industrial Inspection

Precision Vision: Empowering Industrial Inspection with Optical Filters
Introduction to Industrial Inspection and the Integration of Optical Filters
Industrial inspection involves various automated and manual processes used to ensure that manufactured products meet established quality standards. Through inspections, businesses can verify dimensions, detect defects, ascertain product integrity, and maintain process control. The efficiency and accuracy of these inspections are critical for minimizing rework, reducing waste, and ensuring customer satisfaction.
Optical filters enhance industrial inspection systems by tailoring the visual and non-visual light reaching sensors. They are used to improve image contrast, reduce glare, block unwanted light, and isolate specific wavelengths, making it easier to detect anomalies and carry out precise measurements. By refining the captured image quality, optical filters play a pivotal role in the effectiveness of industrial inspection systems.
Now, let's explore the diverse array of optical filters and their advanced applications in the domain of industrial inspection.
Dichroic Filters: High Precision Light Management
Dichroic filters have exceptional spectral selectivity and are instrumental for:
● Fluorescence Inspection: When specific materials need to be examined for fluorescent properties, dichroic filters can separate excitation and emission wavelengths with precision, crucial for detecting coatings, adhesives, or other substances under UV light.
● Color Vision Systems: Dichroic filters optimize color detection by ensuring only desired wavelengths reach the sensor, facilitating accurate color sorting and identification in automated inspection systems.
Dichroic filters provide the clear-cut wavelength management needed for complex inspection tasks where color and fluorescence are involved.
IR Filters: Expanding the Inspection Spectrum
Infrared filters have a varied yet significant role in industrial inspection, enabling:
● Thermal Imaging: To detect heat signatures for equipment monitoring or quality defects like improper seals, IR filters focus exclusively on the infrared spectrum, offering a view beyond the capabilities of standard visual inspection.
● Enhanced Contrast: IR filters can also be used to suppress ambient light or enhance contrasts in materials that have different IR reflectance or absorption characteristics.
The use of IR filters in industrial inspection systems supports non-invasive inspection and monitoring in a multitude of industrial contexts.
Bandpass Filters: Spectral Precision for Targeted Inspection
Bandpass filters transmit a specified wavelength range while blocking others, providing:
● Machine Vision Clarity: Bandpass filters can be essential in machine vision systems that use controlled lighting to inspect products. They ensure only the illumination spectrum required for inspection reaches the camera, sharpening image contrast and increasing detection accuracy.
● Laser Inspection: In laser triangulation or laser scanning systems, bandpass filters help calibrate the system to the specific laser wavelength, enhancing measurement accuracy and reducing the impact of ambient lighting.
Bandpass filters are critical for the clarity and specificity needed in automated visual inspection systems.
Polarizing Filters: Eliminating Glare and Enhancing Detail
Polarizing filters are used in inspection systems to improve image quality by:
● Surface Reflection Removal: They help diminish reflections from shiny surfaces such as metal, glass, or wet objects, thereby uncovering surface defects that might otherwise remain hidden.
● Increased Visibility: Polarizing filters can increase the visibility of features in the presence of scattered light, such as detecting stress fractures in transparent materials.
Polarizing filters are indispensable in situations where reflections or scattering effects obscure the object's actual characteristics.
UV Filters: Accentuating Fine Details and Protecting Systems
Ultraviolet filters can be applied to enhance inspection quality and safeguard systems:
● UV Illumination: When used with UV lights, UV pass filters allow only ultraviolet light to reach the inspection surface, making certain features stand out, like security markings or thread sealant presence.
● Sensor Protection: UV blocking filters protect sensors from potential damage due to high-energy UV radiation, extending the life of inspection equipment.
Conclusion: Advancing Industrial Quality with Optical Filter Innovations
In the dynamic landscape of industrial inspection, the role of optical filters is transformative. By fine-tuning light to meet the specific needs of inspection tasks, these filters significantly enhance the capabilities of inspection systems, improving defect detection rates, ensuring product quality, and fostering manufacturing excellence.
KUPO Optics is at the helm of optical innovation for industrial inspection. Our portfolio of high-performance optical filters is designed to meet the precision requirements of modern inspection systems. With KUPO Optics, industries can look forward to a new standard in inspection accuracy, bringing to market products that embody perfection. Elevate your inspection processes with our unparalleled optical solutions, and ensure that quality always remains in sight.