A hologram that is viewed by the reflection of white light. The diffractive planes within the depth of the recording material have a spacing which corresponds only to a single wavelength of light. This wavelength, usually green or yellow, is reflected back and reconstructs the image, the other colours being transmitted and absorbed by a black backing placed behind the hologram.

Free access for Government organisations!

When you fill-in the form, please ensure that you use your official email address. Any attempt to register using a generic email system like Gmail and Yahoo will be disregarded.

A single generic username/password will be provided per government entity, this can be shared within the organisation and simultaneous login are allowed. Only one application is required per organisation

This is a one-time process and the validation will be undertaken as quickly as possible – within two hours or less during a normal working day, or 24 hours if over a weekend. If we are unable to validate your organisation from the details you provide, we will contact you for further information.

Thank you

Publications manager

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