87-872 25 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 1600nm

The 87-872 is a Bandpass Filter, specifically designed for use in optical systems where a narrow range of wavelengths needs to be isolated. This filter, with a diameter of 25 mm, is sourced from Edmund Optics, a reputable vendor known for its high-quality optical components. The filter features a hard coating on both the front and back surfaces, ensuring durability and resistance to wear and tear.

The filter's physical data includes a cut-on wavelength of 1575 nm and a cut-off wavelength of 1625 nm, with a center wavelength (CWL) of 1600 nm. This means it allows light within this specific range to pass through while blocking out other wavelengths. The filter's geometry includes a thickness of 3.5 mm, providing sufficient structural integrity for most applications.

The 87-872 filter is made from UVFS Mal-1965 material, a common choice for optical filters due to its excellent transmission properties within the specified wavelength range. The filter's shape is that of a thin lens, making it suitable for use in various optical systems.

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