HOLOGRAM WITH LASER COVERT IMAGE
For authentication, covert image can be embedded into hologram in origination process .
An affordable and portable laser pointer is used to reveal the covert image. When pointing the light beam on provided area, we would receive a special diffractive image on paper by reflection of the laser beam.
Laser covert image is now widely used on brand protection and security documents .
An affordable and portable laser pointer is used to reveal the covert image. When pointing the light beam on provided area, we would receive a special diffractive image on paper by reflection of the laser beam.
Laser covert image is now widely used on brand protection and security documents .