|  | G |
SECTION G — PHYSICS

INSTRUMENTS

|  | G03 |
PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY [2]

|  | G03H |
HOLOGRAPHIC PROCESSES OR APPARATUS (holograms, e.g. point holograms, used as ordinary optical elements Fulltext... Hierarchy... Expanded...G02B 5/32; producing stereoscopic or other three-dimensional effects Fulltext... Hierarchy... Expanded...G02B 27/22; diffraction-grating systems, Schlieren-optical systems, systems using moiré fringes Fulltext... Hierarchy... Expanded...G02B 27/38; optical logic elements Fulltext... Hierarchy... Expanded...G02F 3/00; stereo-photography Fulltext... Hierarchy... Expanded...G03B 35/00, Fulltext... Hierarchy... Expanded...G03C 9/00; analogue computers performing mathematical operations with the aid of optical elements Fulltext... Hierarchy... Expanded...G06G 9/00; holographic digital storage Fulltext... Hierarchy... Expanded...G11C 17/00) [2]

|  | G03H |
Note(s) This sub-class comprises 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. [2]

|  | G03H 1/00 |
Holographic processes or apparatus using light, infra-red, or ultra-violet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto [2]

|  | G03H 1/02 |
· | Details (record carriers in general Fulltext... Hierarchy... Expanded...G03C, Fulltext... Hierarchy... Expanded...G11) [2]

|  | G03H 1/04 |
· | Processes or apparatus for producing holograms (Fulltext... Hierarchy... Expanded...G03H 1/26 takes precedence) [2]

|  | G03H 1/06 |
· · | using incoherent light [2]

|  | G03H 1/08 |
· · | Synthesising holograms (using electric digital computers Fulltext... Hierarchy... Expanded...G06F; using optical analogue computers Fulltext... Hierarchy... Expanded...G06G 9/00) [2]

|  | G03H 1/10 |
· · | using modulated reference beam [2]

|  | G03H 1/12 |
· · · | Spatial modulation, e.g. ghost imaging [2]

|  | G03H 1/14 |
· · · | Temporal modulation, e.g. extending depth of field or phase compensation for object motion [2]

|  | G03H 1/16 |
· · | using Fourier transform (Fulltext... Hierarchy... Expanded...G03H 1/12, Fulltext... Hierarchy... Expanded...G03H 1/14 take precedence; analogue computers Fulltext... Hierarchy... Expanded...G06G, e.g. Fulltext... Hierarchy... Expanded...G06G 7/19, Fulltext... Hierarchy... Expanded...G06G 9/00) [2]

|  | G03H 1/18 |
· · | Particular processing of hologram record carriers, e.g. for obtaining blazed holograms (photographic processing in general Fulltext... Hierarchy... Expanded...G03C, Fulltext... Hierarchy... Expanded...G03D) [2]

|  | G03H 1/20 |
· · | Copying holograms by holographic means [2]

|  | G03H 1/22 |
· | Processes or apparatus for obtaining an optical image from holograms (Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...G03H 1/26-G03H 1/34 take precedence) [2]

|  | G03H 1/24 |
· · | using white light [2]

|  | G03H 1/26 |
· | Processes or apparatus specially adapted to produce multiple holograms or to obtain images from them, e.g. multicolour technique [2]

|  | G03H 1/28 |
· · | superimposed holograms only [2]

|  | G03H 1/30 |
· · | discrete holograms only [2]

|  | G03H 1/32 |
· | Systems for obtaining speckle elimination [2]

|  | G03H 1/34 |
· | Systems for reducing the space-spatial bandwidth product [2]

|  | G03H 3/00 |
Holographic processes or apparatus using ultrasonic, sonic, or infrasonic waves for obtaining holograms; Processes or apparatus for obtaining an optical image from them (Fulltext... Hierarchy... Expanded...G03H 1/22 takes precedence) [2]

|  | G03H 5/00 |
Holographic processes or apparatus using other electromagnetic waves or subatomic particles for obtaining holograms; Processes or apparatus for obtaining an optical image from them (Fulltext... Hierarchy... Expanded...G03H 1/22 takes precedence; construction of electron microscopes Fulltext... Hierarchy... Expanded...H01J 37/26) [2]