1. Collinear holography
2. Standard ECMA-377, “Information Interchange on Holographic Versatile Disc (HVD) Recordable Cartridges -.Capacity: 200Bgyte per Cartridge,” (2007).
3. Focus sensing method using far-field diffracted waves and its application to holographic data storages;Fujita,2008
4. Focus error signal obtained at the far-field from a rotational disc and measurement of its positional dependency;Takagi,2016
5. Focus error signal generation from a rotational disc ising diffracted waves at the far-field;Sawada,2016