The FES0850 Dia:1 is a Shortpass Filter, part of the extensive catalog of optical elements offered by Thorlabs. This filter, designed for use in a variety of optical applications, features a circular shape with a diameter of 25.4mm and a thickness of 3.5mm, making it compatible with a wide range of optical systems.
The filter is made of soda lime ru clear, a material known for its optical clarity and durability. The Shortpass Filter is designed with a cut-off wavelength of 850nm, meaning it allows wavelengths shorter than 850nm to pass through while blocking longer wavelengths. This feature makes it ideal for applications where short wavelengths need to be isolated or emphasized.
The FES0850 Dia:1 is coated with a thin film on both the front and back surfaces, enhancing its performance and durability. The coating, identified as 'tho fes0850', is specifically designed to work with this filter, ensuring optimal performance and longevity.
The filter is currently in stock and available for immediate purchase through the Thorlabs website. For more information, including technical specifications and pricing, please refer to the provided weblink.