The 39-387 is a 25 mm diameter Notch Filter, specifically designed for use at a wavelength of 355nm. This filter is manufactured by Edmund Optics, a leading provider of optical components. The item data indicates that it features a hard coating on both the front and back surfaces, enhancing its durability and resistance to wear.
The filter's geometry includes a diameter of 25mm and a thickness of 3.5mm, making it suitable for a wide range of optical applications. The physical data provided suggests that the filter's central wavelength (CWL) is 355nm, which is the wavelength at which the filter exhibits its maximum transmission.
The filter's coating is identified as 'edm 39-386', a detail that may be relevant for users seeking to match or complement this filter with other components in their system. The shape of the filter is described as 'Thin Lens', indicating that it has been designed to minimize optical aberrations and distortions.
The filter is currently in stock and available for purchase through the provided weblink. Detailed specifications, including transmission data and other performance characteristics, can be found on the vendor's website.