High Precision Optical Window Piece 1 Glass Cube, Reference Mirror for Infrared Applications (50 x 2 mm)

Made from optical grade artificial crystal, ensuring excellent light transmission in the band 0.20~5.50μm. Surface type λ/4@633nm and parallelism difference less than 30 arc seconds for superior optical performance. Ideal for use in infrared optical windows, guiding systems, applications and low-temperature laboratory observation windows. Features a protective bevel of 0.2 to 0.5 mm at 45° to improve durability and prevent damage to the edges. Perfect for high-precision instruments, providing reliable and stable performance in various scientific and industrial applications.