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.


Architectural Lighting

Sculpting Space with Light: The Impact of Optical Filters on Architectural Lighting

Introduction to Architectural Lighting

Architectural lighting stands at the confluence of art, design, and technology, playing a pivotal role in enhancing the functionality, atmosphere, and aesthetic appeal of buildings and spaces. It encompasses both the interior and exterior illumination, focusing on the interplay of light with architectural features to create moods, highlight design elements, and ensure a safe and comfortable environment for inhabitants and visitors alike. Architectural lighting can be both functional and decorative, invoking an emotional response while catering to visibility requirements.

Optical filters are instrumental in tailoring the properties of light to meet the specific demands of architectural applications. They are used to control color temperature, intensity, distribution, and spectral output, providing designers with an expanded palette to craft the desired ambiance and effects.
As we shed light on the various types of optical filters, we'll explore their applications and advantages in the context of architectural lighting.
Dichroic Filters: Dynamic Hues and Sustainable Solutions
Dichroic filters are prized for their ability to reflect certain wavelengths while transmitting others without the substantial heat generation associated with absorption filters. In architectural lighting, dichroic filters enable designers to achieve:
● Vibrant Colors: Crafted to offer a wide range of color options with high saturation and precision, dichroic filters can create striking visual effects on building facades or within interior spaces.
● Heat Management: Reflecting unwanted wavelengths rather than absorbing them, dichroic filters can help manage the thermal load, crucial for both the longevity of lighting fixtures and the comfort of a building's occupants.
● Energy Efficiency: By limiting the spectrum of light emitted to the visible range needed for the desired effect, dichroic filters can contribute to energy-saving strategies in architectural lighting design.
Dichroic filters maintain their color fidelity and do not degrade over time, making them suited for installations where long life and low maintenance are priorities.
IR Filters: Enhancing Comfort and Efficiency
Infrared (IR) filters are primarily utilized in architectural lighting to control the heat transmitted by light sources. Their applications include:
● Incandescent Lamp Modification: When applied to incandescent lamps, IR filters can block the heat-generating infrared radiation from the spectrum, thereby reducing the thermal emission without compromising on visible light output.
● Thermal Comfort Control: By minimizing IR radiation in areas where excess heat would be detrimental to occupant comfort, such as window displays or sensitive working environments, IR filters contribute significantly to maintaining pleasant ambient conditions.
● Energy Conservation: IR filters support green building initiatives by reducing cooling loads, leading to energy savings and lower operational costs.
The use of IR filters is particularly important in settings where both illumination quality and thermal management are significant design considerations.
Polarizing Filters: Controlling Glare and Reflection
Polarization filters can selectively block or transmit light waves based on their orientation. In architectural lighting, they offer:
● Glare Reduction: By filtering out polarized light that contributes to glare, such as that reflected from glass surfaces or water features, polarizing filters can enhance visual comfort in outdoor and indoor spaces.
● Improved Visual Clarity: In retail display lighting or museums, polarization can be used to reduce reflections on protective glass or showcases, ensuring that the items within are seen clearly and without distraction.
Color Correction Filters: Perfecting Light Quality
Color correction filters adjust the color temperature and tint of light sources to achieve a specific hue or to match existing lighting conditions. They are utilized in architectural lighting for:
● Harmonizing Light Sources: Unifying the appearance of disparate lighting technologies across a single space, ensuring coherence and continuity in design.
● Enhancing Mood & Atmosphere: Subtle shifts in color temperature can evoke warm or cool environments, influencing the mood and comfort of a space.
● Daylight Balancing: Filters that balance artificial light with natural daylight can create a seamless visual experience that responds to changes in time or weather.
UV Filters: Preserving Materials and Artworks
Ultraviolet (UV) filters are designed to block out harmful UV radiation, which can cause materials to fade or degrade over time. Architectural lighting applications include:
● Artwork & Artifact Protection: In museums, galleries, and historic buildings, UV filters are essential in preserving the integrity of sensitive objects and artworks exposed to light.
● Material Lifespan Extension: In commercial and residential spaces, UV filters protect fabrics, wall coverings, and furnishings from the discoloration and damage associated with prolonged UV exposure.
● Occupant Health: Mitigating UV radiation can also be beneficial in protecting human skin and eyes, particularly in spaces with intense or long-duration exposure to artificial light.
Conclusion: Envisioning a Brighter Future with Optical Filters in Architectural Lighting
The strategic application of optical filters in architectural lighting sets the stage for versatile, energy-efficient, and creative illumination solutions. By empowering architects and lighting designers with the tools to modify and control light, filters offer endless possibilities to elevate the visual impact and functional performance of built environments.
KUPO Optics is at the forefront of this interplay between light and space. Our commitment to innovation, quality, and customer collaboration ensures that each architectural project we illuminate is both a technical triumph and a work of art. As we continue to expand the boundaries of architectural lighting, let our expertly crafted optical filters guide the way, enabling your vision to shine through in its truest, most vibrant form