Individual #optics  the branch of physics that studies the physical properties of light
  >part of:  physics__physic__physical_science__natural_philosophy__naturalphilosophy  the science of matter and energy and their interactions
  >part:  catoptrics  branch of optics dealing with formation of images by mirrors
  >part:  holography  the branch of optics that deals with the use of coherent light from a laser in order to make a hologram that can then be used to create a three-dimensional image

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