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  2. File:TEM Ray Diagram with Phase Contrast Transfer Function.pdf

    en.wikipedia.org/wiki/File:TEM_Ray_Diagram_with...

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  3. Plane mirror - Wikipedia

    en.wikipedia.org/wiki/Plane_mirror

    A ray diagram for a plane mirror. The incident light rays from the object create an apparent mirror image for the observer. A plane mirror is made using some highly reflecting and polished surface such as a silver or aluminium surface in a process called silvering. [6] After silvering, a thin layer of red lead oxide is applied at the back of ...

  4. Ronchi test - Wikipedia

    en.wikipedia.org/wiki/Ronchi_test

    The Ronchi grating is a short distance (less than 2 cm) closer to the mirror. [citation needed] The observer sees the mirror covered in a pattern of stripes that reveal the shape of the mirror. The pattern is compared to a mathematically generated diagram (usually done on a computer today) of what it should look like for a given figure.

  5. Ray transfer matrix analysis - Wikipedia

    en.wikipedia.org/wiki/Ray_transfer_matrix_analysis

    Each optical element (surface, interface, mirror, or beam travel) is described by a 2 × 2 ray transfer matrix which operates on a vector describing an incoming light ray to calculate the outgoing ray. Multiplication of the successive matrices thus yields a concise ray transfer matrix describing the entire optical system.

  6. Reflection symmetry - Wikipedia

    en.wikipedia.org/wiki/Reflection_symmetry

    In mathematics, reflection symmetry, line symmetry, mirror symmetry, or mirror-image symmetry is symmetry with respect to a reflection. That is, a figure which does not change upon undergoing a reflection has reflectional symmetry. In 2-dimensional space, there is a line/axis of symmetry, in 3-dimensional space, there is a plane of symmetry.

  7. Transfer-matrix method (optics) - Wikipedia

    en.wikipedia.org/wiki/Transfer-matrix_method...

    Propagation of a ray through a layer. The transfer-matrix method is a method used in optics and acoustics to analyze the propagation of electromagnetic or acoustic waves through a stratified medium; a stack of thin films. [1] [2] This is, for example, relevant for the design of anti-reflective coatings and dielectric mirrors.