G03HHOLOGRAPHIC PROCESSES OR APPARATUS holograms, e.g. point holograms, used as ordinary optical elements G02B5/32; producing stereoscopic or other three-dimensional effects G02B30/00; diffraction-grating systems G02B27/44; systems using moiré fringes G02B27/60; optical logic elements G02F3/00; stereo-photography G03B35/00; photosensitive materials or processes for photographic purposes G03C; stereo-photographic or similar processes G03C9/00; apparatus for processing exposed photographic materials G03D; analogue computers performing mathematical operations with the aid of optical elements G06E3/00; authentication by radiation, of concealed information carried by holograms or diffraction gratings G06K19/16; holographic storage G11B7/0065, G11C13/04; stereoscopic or other three dimensional effects in television systems H04N13/00This subclass covers means for producing a record of the phase and amplitude information of a wave-front, which information can be used to reconstruct the original wave-front, or means to reconstruct the original wave-front from a record containing the phase and amplitude information of the wave-front.In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme. G03H1/00 G03H1/00Holographic processes or apparatus using light, infra-red or ultra-violet waves for obtaining holograms or for obtaining an image from themDetails peculiar thereto G03H1/0005Adaptation of holography to specific applications holographic optical element G02B5/32; holographic scanner G02B26/106; recognition using holographic mask G06V10/88; holographic memories G11B7/0065, G11C13/042 G03H1/0011for security or authentication holograms on information-bearing cards B42D25/328; testing papers with holograms G07D7/0032 G03H2001/0016Covert holograms or holobjects requiring additional knowledge to be perceived, e.g. holobject reconstructed only under IR illumination microholograms G03H2230/10 G03H2001/0022Deciphering being performed with numerical or optical key, e.g. with the optical scrambler used during recording optical element in object beam G03H1/041 G03H2001/0027Being copy-protected against fraudulent replication, e.g. by layering a filter rejecting laser lines G03H2001/0033in hologrammetry for measuring or analysing G03H2001/0038analogue or digital holobjects holographic interferometry G01B9/021; investigating particles G01N15/0227 G03H2001/0044holographic fringes deformations; holographic sensors holographic rain sensor in vehicles B60S1/084 G03H2001/005in microscopy, e.g. digital holographic microscope [DHM] microscopes G02B21/00; digital holography G03H1/0866 G03H2001/0055in advertising or decorative art G03H2001/0061in haptic applications when the observer interacts with the holobject G03H2001/0066for wavefront matching wherein the hologram is arranged to convert a predetermined wavefront into a comprehensive wave, e.g. associative memory recognition using holographic masks G06V10/88 G03H2001/0072for wavefront conjugation wherein the hologram generates a wavefront conjugating a predetermined object, e.g. null testing, positioning, comparative holography G03H2001/0077for optical manipulation, e.g. holographic optical tweezers [HOT] G03H2001/0083for restoring distorted objects, e.g. restoring objects through scattering media G03H2001/0088for video-holography, i.e. integrating hologram acquisition, transmission and display G03H2001/0094for patterning or machining using the holobject as input light distribution microlithography G03F7/70283 G03H1/02Details of features involved during the holographic process; Replication of holograms without interference recording G03H2001/0204Object characteristics corresponding details, see subgroups of G03H2210/00 G03H2001/0208Individual components other than the hologram G03H2001/0212Light sources or light beam properties G03H1/06, G03H1/24 take precedence; corresponding details, see subgroups of G03H2222/00 G03H2001/0216Optical components G03H2001/0224, G03H1/0256 take precedence; corresponding details, see subgroups of G03H2223/00 G03H2001/022Writing means other than actinic light wave corresponding details, see subgroups of G03H2224/00 G03H2001/0224Active addressable light modulator, i.e. Spatial Light Modulator [SLM] corresponding details, see subgroups of G03H2225/00 G03H2001/0228Electro-optic or electronic components relating to digital holography G03H2001/0224 takes precedence; corresponding details, see subgroups of G03H2226/00 G03H2001/0232Mechanical components or mechanical aspects not otherwise provided for corresponding details, see subgroups of G03H2227/00 G03H1/0236Form or shape of the hologram when not registered to the substrate, e.g. trimming the hologram to alphanumerical shape substrates bearing a hologram G03H1/0272 G03H1/024Hologram nature or properties G03H1/0244Surface relief holograms replicating hologram without interference recording G03H1/0276 G03H1/0248Volume holograms G03H1/0252Laminate comprising a hologram layer G03H1/0256having specific functional layer G03H2001/026Recording materials or recording processes G03H2226/11 takes precedence; corresponding details, see subgroups of G03H2260/00 G03H2001/0264Organic recording material G03H2001/0268Inorganic recording material, e.g. photorefractive crystal [PRC] G03H1/0272Substrate bearing the hologram G03H1/0276Replicating a master hologram without interference recording surface relief holograms G03H1/0244 G03H1/028by embossing G03H2001/0284by moulding G03H2001/0288by electroforming G03H2001/0292by masking G03H2001/0296Formation of the master hologram G03H1/04Processes or apparatus for producing holograms G03H1/26 takes precedence G03H1/0402Recording geometries or arrangements G03H1/0443, G03H1/0476, G03H1/16 take precedence G03H1/0404In-line recording arrangement G03H1/0406Image plane or focused image holograms, i.e. an image of the object or holobject is formed on, in or across the recording plane G03H1/0408Total internal reflection [TIR] holograms, e.g. edge lit or substrate mode holograms G03H1/041Optical element in the object space affecting the object beam, not otherwise provided for G03H2001/0413for recording transmission holograms G03H2001/0415for recording reflection holograms G03H2001/0417for recording single beam Lippmann hologram wherein the object is illuminated by reference beam passing through the recording material G03H2001/0419for recording combined transmission and reflection holograms G03H2001/0421Parallax aspect G03H2001/0423Restricted parallax, e.g. horizontal parallax only holograms [HPO] G03H2001/0426Extended parallax, e.g. panoramic or 360deg. holograms G03H2001/0428Image holography, i.e. an image of the object or holobject is recorded G03H1/0406 takes precedence; holographic microscope G03H2001/005 G03H2001/043Non planar recording surface, e.g. curved surface G03H2001/0432Constrained record wherein, during exposure, the recording means undergoes constrains substantially differing from those expected at reconstruction G03H2001/0434In situ recording when the hologram is recorded within the device used for reconstruction G03H2001/0436Holographic camera portable device G03H2227/02 G03H2001/0439for recording Holographic Optical Element [HOE] HOE per se G02B5/32 G03H2001/0441Formation of interference pattern, not otherwise provided for G03H1/0443Digital holography, i.e. recording holograms with digital recording means holobject computation G03H1/0866 G03H2001/0445Off-axis recording arrangement G03H2001/0456 takes precedence G03H2001/0447In-line recording arrangement G03H2001/045Fourier or lensless Fourier arrangement G03H2001/0452arranged to record an image of the object holographic microscope G03H2001/005 G03H2001/0454Arrangement for recovering hologram complex amplitude G03H2001/0456Spatial heterodyne, i.e. filtering a Fourier transform of the off-axis record G03H2001/0458Temporal or spatial phase shifting, e.g. parallel phase shifting method G03H2001/046Synthetic aperture G03H2001/0463Frequency heterodyne, i.e. one beam is frequency shifted G03H1/0465Particular recording light; Beam shape or geometry G03H1/06 takes precedence G03H2001/0467Gated recording using pulsed or low coherence light source, e.g. light in flight, first arriving light G03H2001/0469Object light being reflected by the object G03H2001/0471Object light being transmitted through the object, e.g. illumination through living cells G03H2001/0473Particular illumination angle between object or reference beams and hologram G03H1/0476Holographic printer G03H1/268 takes precedence G03H2001/0478Serial printer, i.e. point oriented processing G03H2001/048Parallel printer, i.e. a fringe pattern is reproduced G03H2001/0482Interference based printer G03H2001/0484Arranged to produce three-dimensional fringe pattern G03H1/0486Improving or monitoring the quality of the record, e.g. by compensating distortions, aberrations G03H2001/0489by using phase stabilized beam G03H2001/0491by monitoring the hologram formation, e.g. via a feed-back loop G03H1/0493Special holograms not otherwise provided for, e.g. conoscopic, referenceless holography G03H2001/0495Polarisation preserving holography where amplitude, phase and polarisation state of the original objet wavefront are recorded G03H2001/0497Dot matrix holograms G03H1/06using incoherent light G03H1/08Synthesising holograms, i.e. holograms synthesized from objects or objects from hologramsusing electric digital computers G06F; G06T G03H1/0808Methods of numerical synthesis, e.g. coherent ray tracing [CRT], diffraction specific G03H2001/0816Iterative algorithms G03H2001/0825Numerical processing in hologram space, e.g. combination of the CGH [computer generated hologram] with a numerical optical element G03H2001/0833Look up table G03H1/0841Encoding method mapping the synthesized field into a restricted set of values representative of the modulator parameters, e.g. detour phase coding G03H2001/085Kinoform, i.e. phase only encoding wherein the computed field is processed into a distribution of phase differences G03H2001/0858Cell encoding wherein each computed values is represented by at least two pixels of the modulator, e.g. detour phase coding G03H1/0866Digital holographic imaging, i.e. synthesizing holobjects from holograms G03H2001/0875Solving phase ambiguity, e.g. phase unwrapping G03H2001/0883Reconstruction aspect, e.g. numerical focusing G03H1/0891Processes or apparatus adapted to convert digital holographic data into a hologram G03H1/2294 takes precedence G03H1/10using modulated reference beam G03H1/12Spatial modulation, e.g. ghost imaging G03H1/14Temporal modulation, e.g. extending depth of field or phase compensation for object motion G03H1/16using Fourier transform G03H1/10, G03H1/12, G03H1/14 take precedence; analogue computers G06G, e.g. G06G7/19 G03H1/18Particular processing of hologram record carriers, e.g. for obtaining blazed holograms photographic processing in general G03C, G03D G03H1/181Pre-exposure processing, e.g. hypersensitisation G03H1/182Post-exposure processing, e.g. latensification G03H2001/183Erasing the holographic information G03H2001/184Partially erasing G03H2001/185Applying a curing step G03H2001/186Swelling or shrinking the holographic record or compensation thereof, e.g. for controlling the reconstructed wavelength G03H2001/0033, G03H2250/44 take precedence G03H2001/187Trimming process, i.e. macroscopically patterning the hologram shape of hologram G03H1/0236 G03H2001/188Demetallisation, i.e. removing the enhancing metallic layer enhancement layer G03H2250/36 G03H1/20Copying holograms by holographic , i.e. optical means G03H1/202Contact copy when the reconstruction beam for the master H1 also serves as reference beam for the copy H2 G03H2001/205Subdivided copy, e.g. scanning transfer G03H2001/207with modification of the nature of the hologram, e.g. changing from volume to surface relief or from reflection to transmission G03H1/22Processes or apparatus for obtaining an optical image from holograms G03H1/26 - G03H1/34 take precedence G03H1/2202Reconstruction geometries or arrangements G03H1/2205using downstream optical component G03H2001/2207Spatial filter, e.g. for suppressing higher diffraction orders G03H2001/221Element having optical power, e.g. field lens G03H2001/2213Diffusing screen revealing the real holobject, e.g. container filed with gel to reveal the 3D holobject G03H2001/2215Plane screen G03H2001/2218being perpendicular to optical axis G03H2001/2221Screen having complex surface, e.g. a structured object G03H2001/2223Particular relationship between light source, hologram and observer G03H2001/2226Edge lit holograms TIR recording G03H1/0408 G03H2001/2228adapted for reflection and transmission reconstruction G03H2001/2231Reflection reconstruction G03H2001/2234Transmission reconstruction G03H2001/2236Details of the viewing window G03H2001/2239Enlarging the viewing window G03H2001/2242Multiple viewing windows G03H2001/2244Means for detecting or recording the holobject G03H2001/2247for testing the hologram or holobject G03H1/2249Holobject properties G03H2001/2252Location of the holobject G03H2001/2255Holobject out of Fourier or hologram planes G03H2001/2257Straddling the hologram G03H2001/226Virtual or real G03H2001/2263Multicoloured holobject G03H2001/2265Achromatic holobject G03H2001/2268Rainbow hologram G03H2001/2271RGB holobject G03H2001/2273Pseudo-dynamic holobject, e.g. due to angle multiplexing and viewer motion G03H2001/2276Polarisation dependent holobject G03H2001/0495 takes precedence G03H2001/2278Orthoscopic or pseudoscopic G03H2001/2281Particular depth of field G03H2001/2284Superimposing the holobject with other visual information G03H1/2286Particular reconstruction light G03H1/24 takes precedence; Beam properties G03H2001/2289when reconstruction wavelength differs form recording wavelength G03H2001/2292Using scanning means G03H1/2294Addressing the hologram to an active spatial light modulator G03H2001/2297using frame sequential, e.g. for reducing speckle noise G03H1/24using white light , e.g. rainbow holograms G03H1/26Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique G03H2001/2605Arrangement of the sub-holograms, e.g. partial overlapping G03H2001/261in optical contact G03H2001/2615in physical contact, i.e. layered holograms G03H2001/262not in optical contact G03H1/30 takes precedence G03H2001/2625Nature of the sub-holograms G03H2001/263Made of different recording materials G03H2001/2635Mixed volume and surface relief holograms G03H2001/264One hologram being a HOE G03H1/2645Multiplexing processes, e.g. aperture, shift, or wavefront multiplexing G03H1/265Angle multiplexing; Multichannel holograms G03H1/268 takes precedence G03H2001/2655Time multiplexing, i.e. consecutive records wherein the period between records is pertinent per se G03H2001/266Wavelength multiplexing G03H2001/2665Coherence multiplexing wherein different holobjects are perceived under coherent or incoherent illumination G03H2001/267Polarisation multiplexing G03H2001/2675Phase code multiplexing, wherein the sub-holograms are multiplexed according to spatial modulation of the reference beam reference beam spatial modulation G03H1/12 G03H1/268Holographic stereogram G03H2001/2685One step recording process G03H2001/269Two and more than two steps recording process G03H2001/2695Dedicated printer holographic printers G03H1/0476 G03H1/28superimposed holograms only G03H1/30discrete holograms only G03H2001/303Interleaved sub-holograms, e.g. three RGB sub-holograms having interleaved pixels for reconstructing coloured holobject G03H2001/306Tiled identical sub-holograms G03H1/32Systems for obtaining speckle elimination G03H1/34Systems for reducing the space-spatial bandwidth product G03H3/00Holographic processes or apparatus using ultrasonic, sonic or infrasonic waves for obtaining hologramsProcesses or apparatus for obtaining an optical image from them G03H1/22 takes precedence; acoustic non-destructive testing using holographic methods G01N29/0663; seismology using acoustic vibrations G01V1/00; non-holographic methods for visualizing acoustic waves G10K15/00 G03H5/00Holographic processes or apparatus using particles or using waves other than those covered by groups G03H1/00 or G03H3/00 for obtaining hologramsProcesses or apparatus for obtaining an optical image from them G03H1/22 takes precedence; construction of electron microscopes H01J37/26; investigating or analysing materials by the use of microwaves G01N22/00, by the use of particles wave or X-rays G01N23/00, G21K7/00 G03H2210/00 G03H2210/00Object characteristics G03H2210/10Modulation characteristics, e.g. amplitude, phase, polarisation G03H2210/11Amplitude modulating object G03H2210/12Phase modulating object, e.g. living cell G03H2210/13Coloured object G03H2210/202D object G03H2210/222D SLM object wherein the object beam is formed of the light modulated by the SLM SLM per se G03H2001/0224 G03H2210/303D object G03H2210/323D+2D, i.e. composition of 3D and 2D sub-objects, e.g. scene in front of planar background G03H2210/333D/2D, i.e. the object is formed of stratified 2D planes, e.g. tomographic data G03H2210/36Occluded features resolved due to parallax selectivity G03H2210/40Synthetic representation, i.e. digital or optical object decomposition G03H2210/42from real object, e.g. using 3D scanner G03H2210/44Digital representation G03H2210/441Numerical processing applied to the object data other than numerical propagation synthesizing propagation G03H1/0808 G03H2210/45Representation of the decomposed object G03H2210/452into points G03H2210/454into planes G03H2210/46for subsequent optical processing G03H1/268 takes precedence G03H2210/50Nature of the object G03H2210/52Alphanumerical G03H2210/53Coded object not directly interpretable, e.g. encrypted object, barcode G03H2210/54For individualisation of product G03H2210/55Having particular size, e.g. irresolvable by the eye G03H2210/56Multiple objects, e.g. each in different environment G03H2210/562Holographic object, i.e. a combination of an object and holobject G03H1/20 takes precedence G03H2210/62Moving object G03H2210/63Environment affecting the recording, e.g. underwater G03H2001/0432 takes precedence G03H2222/00Light sources or light beam properties G03H2222/10Spectral composition G03H2222/12Single or narrow bandwidth source, e.g. laser, light emitting diode [LED] G03H2222/13Multi-wavelengths wave with discontinuous wavelength ranges G03H2222/18 takes precedence G03H2222/14Broadband source, e.g. sun light G03H2222/15Ultra Violet [UV] G03H2222/16Infra Red [IR] G03H2222/17White light G03H1/24 takes precedence G03H2222/18RGB trichrome light G03H2222/20Coherence of the light source G03H2222/22Spatial coherence G03H2222/23Temporal coherence G03H2222/24Low coherence light normally not allowing valuable record or reconstruction G03H1/06 takes precedence G03H2222/31Polarised light G03H2222/32Unpolarised light G03H2222/33Pulsed light beam G03H2222/34Multiple light sources G03H2222/35Transverse intensity distribution of the light beam G03H2222/36Scanning light beam G03H2222/40Particular irradiation beam not otherwise provided for G03H2222/42Reference beam at recording stage G03H2222/43Object beam at recording stage G03H2222/44Beam irradiating the object at recording stage G03H2222/45Interference beam at recording stage, i.e. following combination of object and reference beams G03H2222/46Reconstruction beam at reconstruction stage G03H2222/47Evanescent wave G03H2222/50Geometrical property of the irradiating beam G03H2222/52Divergent beam G03H2222/53Collimated beam G03H2222/54Convergent beam G03H2222/55Astigmatic beam having different focal planes anamorphic optical element G03H2223/21 G03H2222/56Conjugated beam G03H2223/00Optical components G03H2223/12Amplitude mask, e.g. diaphragm, Louver filter G03H2223/13Phase mask G03H2223/14Diffuser, e.g. lens array, random phase mask G03H2223/15Colour filter, e.g. interferential colour filter G03H2223/16Optical waveguide, e.g. optical fibre, rod G03H2223/17Element having optical power G03H2223/18Prism G03H2223/19Microoptic array, e.g. lens array G03H2223/20Birefringent optical element, e.g. wave plate G03H2223/21Anamorphic optical element, e.g. cylindrical astigmatic beam G03H2222/55 G03H2223/22Polariser G03H2223/23Diffractive element G03H2223/24ReflectorMirror G03H2223/25Index matching material G03H2223/26Means providing optical delay, e.g. for path length matching G03H2223/50Particular location or purpose of optical element downstream optical component G03H1/2205 G03H2223/52Filtering the object information G03H2223/53Filtering the hologram information, i.e. the fringe pattern G03H2223/54Filtering the holobject information G03H2223/55Arranged at a Fourier plane G03H2224/00Writing means other than actinic light wave G03H2224/02Mechanical means, e.g. diamond tool G03H2224/04Particle beam, e.g. e-beam G03H2224/06Thermal or photo-thermal means infra red source G03H2222/16 G03H2225/00Active addressable light modulator G03H2225/10Shape or geometry G03H2225/111D SLM G03H2225/122D SLM G03H2225/133D SLM G03H2225/20Nature, e.g. e-beam addressed G03H2225/21Acousto-optic SLM [AO-SLM] G03H2225/22Electrically addressed SLM [EA-SLM] G03H2225/23Grating based SLM G03H2225/24Having movable pixels, e.g. microelectromechanical systems [MEMS] G03H2225/25Optically addressed SLM [OA-SLM] G03H2225/30Modulation G03H2225/31Amplitude only G03H2225/32Phase only G03H2225/33Complex modulation G03H2225/34Amplitude and phase coupled modulation G03H2225/35Colour modulation G03H2225/36Polarisation G03H2225/52Reflective modulator G03H2225/55Having optical element registered to each pixel G03H2225/60Multiple SLMs G03H2225/61for multicolour processing G03H2226/00Electro-optic or electronic components relating to digital holography G03H2226/02Computing or processing means, e.g. digital signal processor [DSP] G03H2226/04Transmission or communication means, e.g. internet protocol G03H2226/05Means for tracking the observer G03H2226/11Electro-optic recording means, e.g. CCD, pyroelectric sensors G03H2226/13Multiple recording means G03H2227/00Mechanical components or mechanical aspects not otherwise provided for G03H2227/02Handheld portable device, e.g. holographic camera, mobile holographic display G03H2227/03Means for moving one component G03H1/0476, G03H2001/2695 take precedence G03H2227/04Production line for mass production G03H2227/05Support holding the holographic record G03H2227/06Support including light source G03H2230/00Form or shape of the hologram when not registered to the substrate G03H2230/10Microhologram not registered to the substrate G03H2240/00Hologram nature or properties G03H2240/10Physical parameter modulated by the hologram G03H2001/0224 takes precedence G03H2240/11Phase only modulation G03H1/0244 takes precedence G03H2240/12Amplitude only modulation G03H2240/13Amplitude and phase complex modulation G03H2240/15Polarisation modulation G03H2240/20Details of physical variations exhibited in the hologram G03H2240/21Optical density variations G03H2240/22Chromatic variations, e.g. photochromic or electrochromic G03H2240/23Optical length variations, e.g. bleached silver halide G03H1/0244 takes precedence G03H2240/24Index variations only G03H2240/25Magnetic variations G03H2240/26Structural variations, e.g. structure variations due to photoanchoring or conformation variations due to photo-isomerisation G03H2240/40Dynamic of the variations G03H2240/41Binary G03H2240/42Discrete level G03H2240/43Continuous G03H2240/50Parameters or numerical values associated with holography, e.g. peel strength G03H2240/51Intensity, power or luminance G03H2240/52 takes precedence G03H2240/52Exposure parameters, e.g. time, intensity G03H2240/53Diffraction efficiency [DE] G03H2240/54Refractive index G03H2240/55Thickness G03H2240/56Resolution G03H2240/61SLM related parameters, e.g. pixel size G03H2240/62Sampling aspect applied to sensor or display G03H2250/00Laminate comprising a hologram layer G03H2250/10arranged to be transferred onto a carrier body adhesive layer G03H2250/35 G03H2250/12Special arrangement of layers G03H2250/14Forming layer onto which a surface relief hologram is formed G03H2270/52 takes precedence G03H2250/32Antireflective layer G03H2250/33Absorbing layer G03H2250/34Colour layer G03H2250/35Adhesive layer G03H2250/36Conform enhancement layer G03H2250/37Enclosing the photosensitive material G03H2250/38Liquid crystal G03H2250/39Protective layer G03H2250/40Printed information overlapped with the hologram G03H2250/41Polarisation active layer G03H2250/42Reflective layer G03H2250/36 takes precedence G03H2250/43One layer having dispersed particles G03H2260/33 takes precedence G03H2250/44Colour tuning layer G03H2260/00Recording materials or recording processes G03H2260/10Dichromated gelatine or equivalents G03H2260/12Photopolymer G03H2260/14Photoresist G03H2260/16Silver halide emulsion G03H2260/30Details of photosensitive recording material not otherwise provided for G03H2260/31Ageing or resistance of the material G03H2250/39 takes precedence G03H2260/32Combining different recording materials G03H2001/2615 takes precedence G03H2260/33Having dispersed compound G03H2260/34Non uniform thickness G03H2260/35Rewritable material allowing several record and erase cycles G03H2260/36Dynamic material where the lifetime of the recorded pattern is quasi instantaneous, the holobject is simultaneously reconstructed G03H2260/50Reactivity or recording processes writing means G03H2001/0212, G03H2001/022 G03H2260/51Photoanisotropic reactivity wherein polarized light induces material birefringence, e.g. azo-dye doped polymer G03H2260/52Photochromic reactivity wherein light induces a reversible transformation between two states having different absorption spectra G03H2260/53Photoconductor thermoplastic reactivity wherein light is transformed into an electrostatic then into a thickness distribution G03H2260/54Photorefractive reactivity wherein light induces photo-generation, redistribution and trapping of charges then a modification of refractive index, e.g. photorefractive polymer G03H2260/61Producing material deformation G03H2260/62Direct etching G03H2260/63Indirect etching, e.g. lithography photoresist G03H2260/14 G03H2270/00Substrate bearing the hologram G03H2270/10Composition G03H2270/11Crystal or glass G03H2270/55 takes precedence G03H2270/12Fibrous, e.g. paper, textile G03H2270/13Metallic G03H2270/14Plastic G03H2270/20Shape G03H2270/21Curved bearing surface G03H2270/22Disc shaped G03H2270/23Ribbon shaped, e.g. holographic foil G03H2270/24Having particular size, e.g. microscopic G03H2270/30Nature G03H2270/31Flexible G03H2270/32Transparent G03H2270/52Integrated surface relief hologram without forming layer G03H2270/53Recording material dispersed into porous substrate G03H2270/54Recording material filed in recessed substrate G03H2270/55being an optical element, e.g. spectacles