CPC G03H 1/0011 (2013.01) [G03H 1/0248 (2013.01); G03H 1/0252 (2013.01); G06K 19/06037 (2013.01); G06K 19/06065 (2013.01); G03H 2001/0022 (2013.01); G03H 2001/0216 (2013.01); G03H 2210/53 (2013.01); G03H 2223/19 (2013.01)] | 6 Claims |
1. A volume reflection hologram including a holographic medium, the holographic medium including:
a first optical interference structure which upon a first illumination at a first angle replays by reflection a first holographic recording of a first image including first data; and
a second optical interference structure which upon a second illumination at a second angle different than the first angle replays by reflection a second holographic recording of a second image including second data.
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