The 69-897 is a Dichroic Longpass Filter, measuring 25.2 x 35.6 mm, with a thickness of 1.05mm, sourced from the renowned optical components vendor, Edmund Optics. This filter is designed to transmit light at wavelengths above 400nm, making it ideal for applications that require the separation of shorter and longer wavelengths.
The filter features a dichroic coating on both the front and back surfaces, specifically the EDM 69-864 coating. This coating enhances its longpass filtering capabilities, ensuring efficient and reliable performance. The rectangular base shape and thin lens geometry of the filter contribute to its versatility and ease of integration into various optical systems.
The 69-897 filter is currently in stock and available for immediate purchase through the Edmund Optics website. For more detailed information, including technical specifications and performance data, please refer to the product page at https://www.edmundoptics.com/p/400nm-252-x-356mm-dichroic-longpass-filter/24163/.