89-658 12.5 mm Dia. High Performance Longpass Filter with 3 mm Thickness and 1200 nm Cut-on Wavelength

The 89-658 is a high-performance longpass filter, boasting a 12.5 mm diameter and a thickness of 3 mm, sourced from the renowned optical vendor, Edmund Optics. This filter is specifically designed for applications requiring a longpass cut-on wavelength of 1200 nm, making it ideal for various optical systems that demand precise wavelength discrimination.

The 89-658 filter features a circular shape, ensuring easy integration into various optical setups. Its material ID, UVFS MAL-1965, is a testament to its high-quality construction, suitable for demanding applications. The filter's geometry, including its diameter and thickness, is meticulously designed to provide optimal performance while minimizing optical aberrations.

The filter's physical data further highlights its capabilities. With a cut-on wavelength of 1200 nm, it effectively transmits wavelengths longer than this value, while blocking shorter wavelengths. This property is crucial in applications such as fluorescence microscopy, where precise wavelength control is essential.

The 89-658 filter is coated on both the front and back surfaces with EDM 89-658, a high-performance coating that enhances its longpass filtering capabilities. This coating ensures reliable and consistent performance, making the filter a reliable choice for various optical applications.

In terms of shape, the 89-658 filter is designed as a thin lens, further enhancing its optical performance and integration capabilities into various systems. Its catalog number, 89-658, and web links provided by the vendor ensure easy access to additional information and purchasing options.