500DIR25 25 mm Dia. Broadband Interference Bandpass Filter 500nm

The 500DIR25 is a 25 mm diameter Broadband Interference Bandpass Filter, specifically designed to pass light in the 500nm wavelength range. This filter is sourced from Knight Optical, a reputable vendor known for their high-quality optical components.

The filter is made of UVFS MAL-1965 material, a common choice for optical applications due to its excellent transmission characteristics and durability. It features a circular base shape, with a diameter of 25mm and a thickness of 6.1mm, making it suitable for a wide range of optical systems.

The 500DIR25 has a cut-on wavelength of 480nm and a cut-off wavelength of 520nm, ensuring a tight bandpass around the desired 500nm wavelength. The central wavelength (CWL) is also 500nm, further emphasizing its intended use.

Both the front and back surfaces of the filter are coated with KNI 500DIR, a proprietary coating developed by Knight Optical. This coating enhances the filter's performance and durability, ensuring reliable operation in various environments.

The filter's shape is classified as a Thin Lens, indicating that it can focus or collimate light. This feature adds to its versatility, making it a valuable component in many optical setups.

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