FF01-484/561-25 25 mm Dia. 484/561nm BrightLine Dual-Band Bandpass Filter by Semrock

The FF01-484/561-25 is a Bandpass Filter, specifically designed for use in optical systems. This filter, sourced from the reputable vendor Semrock, is a circular filter with a diameter of 25 mm and a thickness of 2 mm. The filter features a dual-band design, centered at 484 nm and 561 nm, making it ideal for applications that require precise wavelength selection.

The physical data of the filter includes a cut-on wavelength of 471.05 nm and a cut-off wavelength of 496.95 nm. This means that the filter will begin to transmit light at 471.05 nm and stop transmitting at 496.95 nm, effectively passing light in the range of 484 nm and 561 nm. The center wavelength (CWL) of the filter is 484 nm, indicating the midpoint of the passband.

The filter is coated with a proprietary coating on both the front and back surfaces, identified as "sem ff01-484561". This coating enhances the filter's performance, ensuring optimal transmission and blocking of unwanted wavelengths. The filter's shape is described as a Thin Lens, suggesting a precise and controlled optical path.

The catalog number for this filter is FF01-484/561-25, and it can be found on Semrock's website at https://www.idex-hs.com/store/product-detail/ff01_484_561_25. The link has been verified and is currently valid, indicating that the filter is in stock and ready for purchase.