The 43-948 is a 25.4 mm diameter Optical Cast Plastic IR Longpass Filter, available from Edmund Optics. This filter is designed for use in the infrared spectrum, with a wavelength of 588 nm, making it suitable for applications that require the removal of visible light.
The filter is made from UVFS MAL-1965 material, a type of optical glass known for its excellent transmission properties in the infrared region. It features a circular shape with a diameter of 25.4 mm and a thickness of 1.5 mm, making it compatible with a wide range of optical systems.
The 43-948 filter is coated with EDM IR-VIS on both the front and back surfaces. This coating enhances its performance in the infrared region while also providing protection against environmental factors. The coating also helps to reduce surface reflections, improving the overall efficiency of the optical system.
The filter is designed in a Thin Lens shape, which is beneficial for applications that require a compact and lightweight optical design. This shape also helps to minimize optical aberrations, ensuring that the filter provides clear and accurate results.
The 43-948 filter is currently in stock and can be purchased directly from the Edmund Optics website. With its high-quality materials, advanced coatings, and precise specifications, this filter is an excellent choice for a wide range of infrared optical applications.