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    • 6. 发明申请
    • APPARATUS AND METHOD FOR PRODUCING A HOLOGRAM
    • 装置和生产霍尔格拉姆的方法
    • WO2007057662A1
    • 2007-05-24
    • PCT/GB2006/004258
    • 2006-11-15
    • EVANS, Richard, Howard
    • EVANS, Richard, HowardWINTERBOTTOM, David, RoyWILTSHIRE, John, David
    • G03H1/30
    • G03H1/268G03H1/0248G03H1/181G03H1/202G03H1/265G03H2001/0027G03H2001/0417G03H2001/0482G03H2001/0497G03H2001/186G03H2001/2271G03H2001/2273G03H2222/15G03H2222/18G03H2240/42G03H2240/53G03H2250/40G03H2260/16
    • The present invention relates to a method and apparatus for producing a hologram, in particular a dot matrix volume hologram. A holographic recording system (1) comprises a source of optical radiation (7), a transparent or partially transparent holographic recording medium 6 and an optical system (10). The recording medium (6) has a first side (25), a second side (26) and a recording volume (36), the second side (26) being opposite to said first side (25) and the recording volume (36) being between said sides (25, 26). The recording medium (6) is positioned between the source of optical radiation (7) and the optical system (10) so that the first side (25) is presented towards the source of optical radiation (7) and the second side (26) is presented towards the optical system. The source (7) is arranged to project incident optical radiation (20) onto the first side (25) and through the recording volume (36) towards the optical system (10). The optical system (10) is arranged to redirect (32) the optical radiation back onto said second side (26) and into the recording volume (36) so that said incident (20) and redirected (32) optical radiation intersect within the recording volume (36) at an obtuse angle (34) to create an interference pattern (38) from which a holographic recording may be made.
    • 本发明涉及一种用于制造全息图,特别是点阵体积全息图的方法和装置。 全息记录系统(1)包括光学辐射源(7),透明或部分透明的全息记录介质6和光学系统(10)。 记录介质(6)具有第一侧(25),第二侧(26)和记录体积(36),第二侧(26)与所述第一侧(25)和记录体积(36)相对, 位于所述侧面(25,26)之间。 记录介质(6)位于光辐射源(7)和光学系统(10)之间,使得第一侧(25)朝向光辐射源(7)呈现,而第二侧(26) 被呈现给光学系统。 源(7)被布置成将入射光辐射(20)投射到第一侧(25)上并通过记录体积(36)朝向光学系统(10)投影。 光学系统(10)被布置成将光学辐射重定向(32)到所述第二侧(26)上并进入记录体积(36),使得所述入射(20)和重定向(32)光辐射在记录内相交 体积(36)以钝角(34)产生干涉图案(38),可从中制造全息记录。