64-448 25 x 25 mm Dielectric High Performance Cold Mirror; 45 deg AOI 425-1150nm

The 64-448 is a high-performance cold mirror, designed and manufactured by Edmund Optics, a leading global supplier of optical components. This mirror is specifically engineered for a 45-degree angle of incidence (AOI) and operates within the wavelength range of 425-1150nm.

The mirror measures 25 x 25 mm, making it a compact yet powerful solution for various optical applications. It is constructed from borofloat33, a borosilicate glass with a low coefficient of thermal expansion, making it highly resistant to thermal shock and stress. This material also offers excellent optical transmission and chemical resistance.

The mirror's surface is coated with edm 64-443 on both the front and back, a dielectric coating that enhances its reflective properties. This coating ensures high reflectivity for the specified wavelength range while minimizing absorption and scattering.

The 64-448 is categorized as a Hot/Cold Mirror, a type of optical filter that reflects one wavelength range and transmits another. In this case, it reflects the infrared region of the spectrum while transmitting the visible light, making it ideal for applications such as beam combining, thermal imaging, and spectroscopy.

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