Medical Imaging Cut-off Filters for Endoscopy and Diagnostic Cameras – Ensuring Accurate Color and Contrast Reproduction

Product Description

Product Description

In the realm of optics, cut-off filters act as precise gatekeepers, playing a pivotal role in controlling light. These filters selectively allow light within specific wavelength ranges to pass through while blocking others, enabling accurate manipulation of light.

The operation of cut-off filters relies on their unique optical structures and material properties. When light strikes the filter, its internal molecules or atoms interact differently with various wavelengths. Those wavelengths matching the filter's transmission criteria pass through smoothly, while others are absorbed, reflected, or scattered. This selective transmission and blocking mechanism allows cut-off filters to perform essential functions across a wide range of optical applications.

Specification

Product Name	Cut-off Filter
Transmittance	T>90%
Thickness	1.1 ±0.1mm or Custom
Dimension Tolerance	Custom
AOI	0°
Surface Quality (SQ)	60-40 Scratch & Dig
Clear Aperture (CA)	90%
Blocking	350-2000nm Except for Transmission Band

Optical Applications‌

In scientific research, cut-off filters are indispensable tools. For instance, in spectroscopic analysis, researchers need to precisely examine light signals at specific wavelengths to study the structure and properties of materials. Cut-off filters help eliminate interference from unwanted wavelengths, allowing only the target wavelengths to reach the detection equipment—greatly enhancing measurement accuracy and reliability. In astronomical observations, these filters also prove invaluable. By filtering out stray light from Earth's atmosphere or other celestial sources, they enable astronomers to clearly observe specific wavelengths emitted by distant celestial bodies, leading to more accurate data collection and deeper insights.

In industrial manufacturing, cut-off filters find extensive use as well. During semiconductor fabrication, photolithography requires precise control over the wavelength and intensity of light. Cut-off filters ensure that only the desired wavelengths reach the silicon wafer, maintaining the accuracy and quality of the patterned circuits. In laser processing, such filters remove unwanted stray light generated by lasers, improving beam purity and focus, resulting in more precise and efficient machining.

Company Profile

Tianjin Fushi Optics Co., Ltd.

Tianjin Fushi Optics Co., Ltd. is a comprehensive optoelectronic enterprise integrating R&D, production, sales, and after-sales service. Since its establishment in 2012, the company has been dedicated to technological innovation and industrial application in the field of optical components, with its manufacturing base located in China's core optical industry zone. The product portfolio covers a full range of optical basic components, including lenses, prisms, mirrors, optical windows, and filters, with particular technical expertise in the design and manufacturing of diffraction gratings.  

In 2017, Fushi Optics established a professional optical laboratory in Dongli District, Tianjin, committed to integrating optical theoretical research with engineering practice. After years of technical accumulation, the laboratory has gained wide academic recognition for its research achievements in spectral analysis, precision optical processing, and other fields, forming an integrated "industry-academia-research-application" technological innovation system. It continues to provide high-performance optical solutions for the optoelectronic industry.

FAQ

Q: How can I get samples from you?

Just send us your requirements, and we will send samples accordingly. 

 

Q: How long is your delivery time? · 

Regarding inventory, it is 3 working days;

For customized one, it's about 15-25 working days, depending on exact quantity and order date. 

 

Q: Can I customize the products based on my requirements?

Yes, we can customize the material, specifications and optical coating for your optical components as per your requirements.

Q: Are you a factory? 

Yes, we are a professional manufacturer of optical components. We have more than 20 years of experience in optical cold working.

 

Q: How do you control the quality?

More than four times of quality inspection during the production process; we can provide the Quality Test Report.

Packing & Delivery

We attach great importance to every detail in production and communication. Should you have any questions, suggestions, or comments, please do not hesitate to share them with us. Your feedback is invaluable in our pursuit to become a worthy, trusted, and reliable supplier. Thank you for your visit.