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.


Laser System

Optimizing Precision: The Strategic Use of Optical Filters in Laser Systems
Introduction to Laser Systems and Optical Filters
Laser systems produce coherent light through a process called stimulated emission and are utilized across various industries, including medical, manufacturing, telecommunications, and research. With their inherent precision, intensity, and directivity, lasers have transformed technological capabilities, offering applications ranging from cutting-edge surgical procedures to high-speed communications.
Optical filters in laser systems are crucial for customizing and controlling the light output, ensuring that the laser performs its intended function safely and effectively. They can attenuate or enhance specific wavelengths, block harmful radiation, improve image quality, and protect sensitive equipment. Precision-engineered optical filters, thus, open up possibilities for innovation and functional diversity in the realm of laser technologies.
Let's analyze the different types of optical filters and their applications in enhancing the function and safety of laser systems.
Dichroic Filters: Tailored Wavelength Direction for Optimal Performance
Dichroic filters are critical in managing different wavelengths in laser systems due to their ability to either transmit or reflect specific portions of the spectrum, based on the filter design. They are used to:
● Combine or Separate Laser Beams: Dichroic filters are ideal for systems requiring multiple laser sources to be combined into a single beam path or for separating beams based on wavelength.
● Reduce Noise: These filters can improve the signal-to-noise ratio by selectively reflecting unwanted frequencies away from the detector or target area.
● Facilitate Wavelength Multiplexing: In fiber optics, dichroic filters are used for wavelength division multiplexing (WDM), allowing multiple signals to travel simultaneously without interference.
Dichroic filters ensure precise control over laser light, playing a vital role wherever spectral management is required.
IR Filters: Enhancing Laser Fidelity and Safety
Infrared (IR) filters are particularly suitable for controlling the IR radiation that may accompany the main laser beam or be part of it in various laser systems. Their roles include:
● Protecting Equipment: By blocking or attenuating IR radiation, these filters protect sensors and other equipment from the potentially damaging effects of high-power IR light.
● Improving Beam Quality: IR filters can remove excess IR radiation from the laser beam, which is especially important in applications requiring high precision and minimal beam divergence.
● Safety Applications: Filters can also shield human eyes from IR radiation in environments where people may be accidentally exposed to laser light.
Neutral Density (ND) Filters: Mastering Laser Intensity
Neutral density filters uniformly reduce the intensity of light without altering its spectral characteristics, essential in laser systems for:
● Attenuating Beam Power: ND filters are used to decrease the power of a laser beam to a safe, workable level for delicate processes or applications where lower power is required.
● Calibrating System Outputs: By providing a range of attenuation levels, ND filters allow fine-tuning of laser energy outputs to achieve the desired levels for specific applications.
● Protective Eyewear: ND filters are often integrated into laser safety glasses to reduce the overall intensity of laser light entering the eyes, thus helping to prevent retinal damage.
Bandpass and Notch Filters: Precision Control in Laser Analysis
Bandpass and notch filters serve unique purposes in laser analysis by selectively allowing or rejecting specified bands of light. These filters contribute to:
● Spectral Analysis: Bandpass filters are essential in laser-based spectroscopy systems, allowing only the specific wavelength band relevant to the sample analysis to pass through.
● Blocking Unwanted Lines: In systems where laser light may contain undesired spectral lines or harmonics, notch filters can effectively block these while allowing the remaining desirable wavelengths to be utilized.
● Communication Systems: Bandpass filters also play a critical role in laser-based communication, allowing for the discrete selection of channels for signal transmission.
Conclusion: The Focused Future of Laser Technologies with Optical Filters
Optical filters are at the heart of innovation in laser systems, facilitating advancements that push the boundaries of what these powerful light sources can accomplish. By precisely controlling the laser beam for specific applications and ensuring the safety of both equipment and operators, optical filters ensure the laser’s unique properties are harnessed to their full potential.
KUPO Optics stands at the forefront of optical filter technology, offering a range of solutions that satisfy the stringent requirements of laser-based industries. With our commitment to precision, durability, and excellence, we empower your laser systems to operate at optimal efficiency, supporting the endeavors of businesses that depend on the unparalleled precision of laser technology. Partner with KUPO Optics, and let our optical expertise illuminate the path to your company’s success.