Method and apparatus for preparing femtosecond optical filament interference direct writing volume grating/chirped volume grating

Optically variable film, apparatus and method for making the same

Fabrication of metallic optical metasurfaces

Vehicle information display assembly, system and method

Optically variable film, apparatus and method for making the same

Laser ablation with reduced visual effects

Method of production of a holographic sensor

Method of Production of a Holographic Sensor

LAMINATED STRUCTURAL BODY HAVING A FINE PERIODIC STRUCTURE

Security Documents with Personalised Images and Methods of Manufacture

MULTI-AXIS DIFFRACTION GRATING

METHOD FOR RECORDING DATA IN A HOLOGRAPHIC FORM ON A LENS AND A CORRESPONDING LENS

Holographic storage material

Storage medium comprising a security feature and method for producing a storage medium comprising a security feature

Method of producing diffractive structures in security documents

Optical Device, an Optical System and a Method of Manufacturing a Holographic Optical Element

Method For The Production Of A Stamping Tool To Stamp Safety Elements In Surfaces Of Carrier Materials, As Well As Carrier Material With At Least One Safety Element

Seamless holographic embossing substrate produced by laser ablation

Methods of producing diffractive structures in security documents

Method for producing hologram by pico-second laser

Seamless holographic embossing substrate produced by laser ablation