39-381 50 mm Dia. Hard Coated OD 4.0 5nm Bandpass Filter; t=3.5 mm 808nm

The 39-381 is a Bandpass Filter with a diameter of 50 mm, sourced from the reputable optical components vendor, Edmund Optics. This filter is specifically designed for use with a central wavelength of 808 nm, making it suitable for a wide range of applications that require precise wavelength control.

The filter is constructed with a hard coating on both the front and back surfaces, denoted as 'edm 39-336'. This coating enhances the durability and longevity of the filter, providing reliable performance even under demanding conditions. The filter's thickness is 3.5 mm, which is a standard size for many optical applications.

The 39-381 features a cut-on wavelength of 805.5 nm and a cut-off wavelength of 810.5 nm, as indicated in its physical data. This narrow bandpass, combined with the specified central wavelength, allows for effective filtering of unwanted wavelengths, enhancing the signal-to-noise ratio in your optical system.

The filter's geometry is defined by its circular shape and a diameter of 50 mm. This size is commonly used in various optical setups due to its versatility and ease of integration. The filter is categorized as a Thin Lens, implying that it has minimal optical power and can be used in a variety of optical systems without significantly altering the optical path.

For more information and to purchase this product, please visit the provided weblink: https://www.edmundoptics.com/p/808nm-cwl-50mm-dia-hard-coated-od-40-5nm-bandpass-filter/39642/. The link has been verified and is currently in stock, ensuring quick delivery for your optical project needs.