RSF-25C-442RU 25 mm Dia. Mounted Raman Longpass Edge Filter; t=3.5mm 441.6nm

The RSF-25C-442RU is a 25 mm diameter mounted Raman longpass edge filter, designed and manufactured by OptoSigma. This filter is specifically engineered for applications that require a longpass edge at 441.6nm, making it an ideal choice for Raman spectroscopy and other similar fields.

The filter features a circular geometry with a diameter of 25mm and a thickness of 3.5mm, providing a robust and compact design that is easy to integrate into various optical systems. The base shape is a thin lens, further enhancing its functionality and versatility.

The RSF-25C-442RU is coated with OptoSigma's proprietary RSF-442RU coating on both the front and back surfaces, ensuring high transmission and excellent blocking performance. The cut-on wavelength is 441.6nm, and the cut-off wavelength is 0nm, providing a sharp cut-off and high transmission in the passband.

This filter is currently in stock and available for immediate purchase through the OptoSigma website. The catalog number for this item is RSF-25C-442RU, and it can be found at the following weblink: https://www.optosigma.com/us_en/raman-long-pass-edge-filter-25mm-diameter-block-441-6nm-RSF-25C-442RU.html