<abstract xmlns="http://www.w3.org/1999/xhtml"><p> A new concept is proposed for digital hologram production along with the relevant techniques developed in our laboratory. The main idea of the concept is to maximally separate the calculation of hologram from its optical recording on the light-sensitive media. A special file format containing information on each holographic pixel is created at the stage of calculation. The file is a device-independent by structure, and can be employed for recording a hologram using any of the existing techniques (dot-matrix, optical matrix lithography, e-beam lithography). An optical lithography device is applied to calculate the images for a spatial light modulator at the stage of hologram recording in accordance with the data from the file and in conformity with the hardware features of the device. The proposed method was tested and successfully used to record security holograms. For commercial use a software package and an optical recording system have been developed.</p></abstract>

A new concept is proposed for digital hologram production along with the relevant techniques developed in our laboratory. The main idea of the concept is to maximally separate the calculation of hologram from its optical recording on the light-sensitive media. A special file format containing information on each holographic pixel is created at the stage of calculation. The file is a device-independent by structure, and can be employed for recording a hologram using any of the existing techniques (dot-matrix, optical matrix lithography, e-beam lithography). An optical lithography device is applied to calculate the images for a spatial light modulator at the stage of hologram recording in accordance with the data from the file and in conformity with the hardware features of the device. The proposed method was tested and successfully used to record security holograms. For commercial use a software package and an optical recording system have been developed.

ADVANCED CONCEPT FOR CREATION OF SECURITY HOLOGRAMS  / PROGRESĪVĀ KONCEPCIJA AIZSARDZĪBAS HOLOGRAMMAS IZVEIDEI

Innovative Microscopy Center, Daugavpils University 1 Parades Str., Daugavpils LV-5400, LATVIA

Latvian Journal of Physics and Technical Sciences

A new concept is proposed for digital hologram production along with the relevant techniques developed in our laboratory. The main idea of the concept is to...

ADVANCED CONCEPT FOR CREATION OF SECURITY HOLOGRAMS / PROGRESĪVĀ KONCEPCIJA AIZSARDZĪBAS HOLOGRAMMAS IZVEIDEI

Publié en ligne: 29 janv. 2014

Pages: 61 - 70

DOI: https://doi.org/10.2478/lpts-2013-0041

This content is open access.