87-866 25 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 1325nm

The 87-866 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, enhancing its durability and resistance to wear and tear.

The filter's base shape is circular, and it is made from UVFS Mal-1965 material, a common choice for optical filters due to its excellent transmission characteristics. The filter's thickness is 3.5 mm, providing sufficient structural integrity for most applications.

The 87-866 filter is designed to pass wavelengths around 1325 nm, with a Cut-On wavelength of 1300 nm and a Cut-Off wavelength of 1350 nm. This specificity makes it ideal for applications that require precise wavelength control, such as laser systems, spectroscopy, and other forms of optical analysis.

The filter's coating is EDM 87-853 on both the front and back surfaces, further enhancing its performance by reducing unwanted reflections and increasing transmission. The filter's shape is that of a Thin Lens, which can be beneficial in certain optical configurations where minimal optical path deviation is desired.

According to the vendor's website, this item is currently in stock, ensuring quick delivery times for those who need it. The item's weblink is provided for easy reference and further details.