The 69-905 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 longer than 800nm, while blocking or reflecting shorter wavelengths, making it ideal for various applications in photonics, spectroscopy, and imaging.
The filter features a dichroic coating on both the front and back surfaces, specifically the EDM 69-872 coating. This coating ensures high transmission efficiency and durability, minimizing the risk of damage from environmental factors or frequent use. The rectangular shape of the filter, along with its thin lens design, allows for easy integration into various optical systems.
The 69-905 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, users are encouraged to visit the product page at https://www.edmundoptics.com/p/800nm-252-x-356mm-dichroic-longpass-filter-/24171/.