1. Full-field optical coherence tomography apply in sphere measurements

    Full-field optical coherence tomography apply in sphere measurements

    The geometry of a spherical surface, for example that of a precision optic, is completely determined by the radius –of-curvature at one point and the deviation from the perfect spherical form at all other points of the sphere. Full-field Optical Coherence Tomography (FF-OCT) is a parallel detection OCT technique that utilizes a 2D detector array. This technique avoids mechanical scanning in imaging optics, thereby speeding up the imaging process and enhancing the quality of images. The current paper presents an FF-OCT instrument that is designed to be used in sphere measurement with the principle of multiple delays (MD) OCT to ...

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