FF01-390/18-25 25 mm Dia. 390/18nm BrightLine Single-Band Bandpass Filter by Semrock

The FF01-390/18-25 is a high-quality Bandpass Filter, designed and manufactured by Semrock, a leading vendor in the optical industry. This filter, with the catalog number FF01-390/18-25, is a circular-shaped component, featuring a diameter of 25 mm and a thickness of 2 mm, making it a suitable choice for various optical applications.

The filter is designed to transmit light within a specific wavelength range, while blocking other wavelengths. The central wavelength (CWL) of this filter is 390 nm, with a cut-on wavelength of 381 nm and a cut-off wavelength of 399 nm. This precise wavelength selection is crucial for applications that require narrow-band light transmission.

The FF01-390/18-25 filter is coated with Semrock's proprietary FF01-39018 coating on both the front and back surfaces. This coating enhances the filter's performance, ensuring high transmission and excellent blocking capabilities.

The filter's shape is described as a Thin Lens, which suggests that it may have lens-like properties, potentially useful in focusing or collimating light. The filter is currently in stock and available for purchase through the vendor's website, as indicated by the 'Valid - in stock' status in the item data.