66-245 25 mm Dia. N-BK7 45 deg Reflective Cyan Dichroic Filter; t=4 mm 400-725nm

The 66-245 is a 25 mm diameter dichroic filter with a 45-degree angle of incidence, manufactured by Edmund Optics. This filter is designed to reflect cyan light, making it ideal for applications that require the separation or manipulation of this specific wavelength range. The filter is made from N-BK7 Schott glass, a popular material known for its excellent optical properties and versatility.

The filter's physical dimensions include a diameter of 25 mm and a thickness of 4 mm, providing a robust and compact solution for various optical systems. The wavelength of peak reflection is 588 nm, which falls within the cyan spectrum.

The 66-245 features a thin lens shape, which is designed to minimize optical aberrations and distortions. The coating on both the front and back surfaces of the filter is EDM 66-242, which is specifically designed to enhance the filter's performance and durability.

According to the vendor's information, this item is currently in stock, and more details can be found on the Edmund Optics website. The filter's catalog number is 66-245, and it is suitable for wavelengths ranging from 400 to 725 nm.