The 87-039 is a 25 mm diameter Dichroic Longpass Filter, available from Edmund Optics. This filter is designed with a thickness of 1.05mm and features a cut-on wavelength of 950nm, making it ideal for applications that require the separation of longer wavelengths.
The filter's Dichroic properties allow it to reflect or transmit light depending on the wavelength, making it a versatile tool for various optical systems. The front and back of the filter are coated with EDM 87-027, a coating type known for its durability and performance.
The filter's geometry is defined by a 25mm diameter, which is a common size for many optical components, ensuring compatibility with various systems. The filter's thin lens shape further enhances its compatibility with different optical arrangements.
This filter is currently in stock and can be purchased directly from the Edmund Optics website. Detailed specifications, including the catalog number and weblinks, are provided in the item data for easy reference.