公开(公告)号：US3847465A

公开(公告)日：1974-11-12

申请号：US30629172

申请日：1972-11-14

Applicant: THOMSON CSF

Inventor： MICHERON F ,  BISMUTH G ,  HERMASIN A ,  NICOLAS J ,  HILDEBRANDT M

IPC: G02F1/055 ,  G03H1/02 ,  G02B27/00

CPC classification number: G03H1/02 ,  G02F1/0558 ,  G03H1/0248 ,  G03H2260/54

Abstract: The present invention relates to holographic systems embodying a phase hologram pattern formed within the volume of a photoexcitable, electro-optic material. The system in accordance with the present invention comprises a pattern of fringes formed in a photo-excitable polycrystalline material of quasi-theoretical density. A biased state is created electrically or by mechanical stress, in the polycristalline material in order to permit the formation of an electronic density modulation condition capable of exploitation by electrooptical effect.

Abstract translation: 本发明涉及体现在可光致发光的电光材料的体积内形成的相位全息图图案的全息照相系统。