This is an internally engraved 9 karat crystal. The 3D hologram is designed by artists who are expert in making the skin texture exactly as per the photograph provided by you. The CNC controlled laser machines are used to laser engrave the crystals...
Nonlinear optics (NLO) is the branch of optics that describes the behavior of light in nonlinear media, that is, media in which the dielectric polarization P responds nonlinearly to the electric field E of the light....
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