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A synthetic crystal of yttrium aluminium garnet, used in certain lasers and as an imitation diamond in jewellery.‘Undoped YAG Crystal is an excellent material for UV-IR optical windows, particularly for high temperature and high energy density applications.’‘Invented in the sixties of the last century, Nd:YAG(Neodimium Doped Yttrium Aluminum Garnet) has been and continue to be the most widely used laser crystal.’
1960s acronym from yttrium aluminium garnet.
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