87-280 25.2 x 35.6 mm Multi-Edge Fluorescence Dichroic Filter 403/502nm

The 87-280 is a Multi-Edge Fluorescence Dichroic Filter, manufactured by Edmund Optics, measuring 25.2 x 35.6 mm. This filter is designed to reflect or transmit light in specific wavelength ranges, making it ideal for applications involving fluorescence microscopy, spectroscopy, and other optical systems that require precise wavelength control.

The filter's primary wavelength is 405nm, with a cut-on wavelength of 403nm and no specified cut-off wavelength. This means it begins to transmit light at 403nm and continues to do so up to and beyond 405nm. The filter is made from UVFS Mal-1965 material, which is known for its excellent optical properties and durability.

The filter's geometry includes a thickness of 1.05mm, making it suitable for use in thin-lens optical systems. The coating on both the front and back surfaces is EDM 87-272, which enhances the filter's performance by reducing unwanted reflections and increasing transmission in the desired wavelength range.

The filter's web links are valid and lead to the product page on the Edmund Optics website, where it is listed as in stock. This indicates that the filter is readily available for purchase and delivery.