635BP20 12.7 mm Dia. Protected Coating; Bandpass Filter Protected Coating

The 635BP20 is a Bandpass Filter, a type of optical filter that allows only a specific range of wavelengths to pass through while blocking others. This particular filter, sourced from the reputable vendor Omega Optical, has a central wavelength of 635 nm, making it ideal for applications that require precise filtering in this spectrum.

The filter is designed with a circular geometry, featuring a diameter of 12.7 mm and a thickness of 6 mm. This compact size makes it suitable for various optical systems where space is a constraint. The material ID for this filter is UVFS MAL-1965, indicating its specific composition and properties.

The 635BP20 filter is equipped with a protected coating on both the front and back surfaces. This coating enhances the filter's durability and resistance to environmental factors, ensuring reliable performance over time. The cut-on wavelength is 625 nm, and the cut-off wavelength is 645 nm, providing a narrow bandpass. The center wavelength (CWL) is, as mentioned, 635 nm.

The filter's shape is defined as a Thin Lens, suggesting that it may have lens-like properties or be used in conjunction with lenses in an optical system. The catalog number for this item is 635BP20, and it is currently in stock, as indicated by its weblink status.

For more information or to make a purchase, users can visit the provided weblink: https://www.omegafilters.com/product/4125.