87-773 50 mm Dia. Hard Coated Fluorescence Bandpass Filter; t=2 mm 785nm

The 87-773 is a Bandpass Filter, specifically designed for Fluorescence applications, available from Edmund Optics. This filter boasts a 50 mm diameter and a thickness of 2 mm, making it a robust and versatile option for various optical setups.

The filter's primary function is to allow light within a specific wavelength range to pass through while blocking out other wavelengths. In this case, the Cut-On wavelength is 749.5 nm, and the Cut-Off wavelength is 820.5 nm, with a Center Wavelength (CWL) of 785 nm. This means it is particularly effective for applications involving light at or around this wavelength.

The 87-773 filter features a Hard Coating on both the front and back surfaces, denoted as 'edm 87-745'. This coating enhances the filter's durability and resistance to wear and tear, making it suitable for use in demanding environments.

The filter's geometry is defined by its Thin Lens shape, which is designed to minimize optical aberrations and distortions. This, combined with its large diameter, makes the 87-773 an excellent choice for a wide range of optical applications.

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