COMPLEX HOLOGRAMS, METHOD OF MAKING AND USING COMPLEX HOLOGRAMS

摘要

A method of making a hologram (10) includes recording a first hologram in a holographic recording medium (14) at a first deformation ratio; changing the first deformation ratio to a second deformation ratio that is different from the first deformation ratio; and recording a second hologram in the holographic recording medium (14) at the second deformation ratio to form a recorded holographic medium.