The 87-031 is a Dichroic Longpass Filter, boasting a 12.5 mm diameter and a thickness of 1.05mm, sourced from the renowned optical vendor, Edmund Optics. This filter is designed to transmit light with wavelengths above a specified cut-on value while reflecting or absorbing shorter wavelengths. In this case, the cut-on wavelength is 1150nm.
The filter's Dichroic properties are attributed to its unique coating, denoted as 'edm 87-031' on both the front and back surfaces. This coating ensures the filter's functionality across the spectrum, making it an ideal choice for various applications.
The filter's geometry, with a diameter of 12.5mm and a thickness of 1.05mm, is designed to provide optimal performance while maintaining a compact profile. The filter's base shape is circular, and it is categorized as a Thin Lens, further enhancing its versatility in optical systems.
The 87-031 is currently in stock and available for purchase through the Edmund Optics website. For more detailed specifications and purchasing information, please refer to the provided weblink.