by wpengine | May 7, 2021
the diffractive beam that is reflected from an object and incident on a sensitive material, usually a photosensitive material; also refers to the beam that is transmitted and diffracted by a holographic plate (H1) which is the “object” from which a copy (H2) is made....
by wpengine | May 7, 2021
features such as holograms that are apparent and visible, and can be viewed without additional readers or instruments.
