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Calibration Standards are used to determine the accuracy or level of precision of an optical component for any number of optical applications. Calibration Standards comprise a range of products such as optical flats, angle blocks, or liquid crystal temperature sheets designed to measure the specifications of an optical component or surface. Calibration Standards are very precise measuring devices that allow optical components to be accurately evaluated after multiple uses to ensure continued effectiveness or to determine when recalibration is required.
Edmund Optics offers a wide range of Calibration Standards suited for many measurement needs. Optical flats measure the flatness of an optical surface by positioning a surface atop the flat at a particular angle. A laser beam is directed between the two surfaces so that the reflection pattern can be interpreted to determine how flat the surface is. Angle blocks are used in conjunction with autocollimators to provide an accurate test angle for use in optical systems.