ES2081855T3 - Un sistema para vigilar la intensidad durante la exposicion holografica. - Google Patents
Un sistema para vigilar la intensidad durante la exposicion holografica.Info
- Publication number
- ES2081855T3 ES2081855T3 ES89312455T ES89312455T ES2081855T3 ES 2081855 T3 ES2081855 T3 ES 2081855T3 ES 89312455 T ES89312455 T ES 89312455T ES 89312455 T ES89312455 T ES 89312455T ES 2081855 T3 ES2081855 T3 ES 2081855T3
- Authority
- ES
- Spain
- Prior art keywords
- supervision
- exposure beam
- exposure
- hologram
- detection elements
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
- G03H1/024—Hologram nature or properties
- G03H1/0248—Volume holograms
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/04—Processes or apparatus for producing holograms
- G03H1/0486—Improving or monitoring the quality of the record, e.g. by compensating distortions, aberrations
- G03H2001/0489—Improving or monitoring the quality of the record, e.g. by compensating distortions, aberrations by using phase stabilized beam
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Holo Graphy (AREA)
Abstract
UN SISTEMA PARA SUPERVISAR LA INTENSIDAD, ANTES, DURANTE Y DESPUES DE UNA EXPOSICION HOLOGRAFICA, COMPRENDE UN CONJUNTO DE SUPERVISION DENTRO DE UN HAZ DE EXPOSICION, UNA FUENTE LUMINOSA INTERMEDIA Y UN CONJUNTO DE REGISTRO DE HOLOGRAMA. CON EL CONJUNTO DE SUPERVISION EN EL HAZ DE EXPOSICION SE PRODUCE UN RAYO DE SUPERVISION QUE SE DIRIGE HACIA LOS ELEMENTOS DE DETECCION SITUADOS FUERA DEL HAZ DE EXPOSICION. AL MISMO TIEMPO, EL CONJUNTO DE SUPERVISION PERMITE QUE EL HAZ DE EXPOSICION PASE A TRAVES DEL MISMO Y HACIA EL CONJUNTO DE REGISTRO DE HOLOGRAMA. EL CONJUNTO DE SUPERVISION PUEDE INCLUIR UN HOLOGRAMA DE REFLEXION CON UNA FORMA EFECTIVA QUE ES DIFERENTE DEL SUSTRATO DE SOPORTE, O SUSTRATOS DE CRISTAL CON UNA SUPERFICIE DE REFLEXION INTERNA. EN CUALQUIER CASO, EL HAZ DE EXPOSICION SE MANTIENE SIN DISTORSIONAR. LA DISPOSICION ESPACIAL ENTRE LA FUENTE LUMINOSA, EL CONJUNTO DE REGISTRO DE HOLOGRAMA, Y LOS ELEMENTOS DE DETECCION, ES TAL QUE UN HAZ REFLEJADO DEL CONJUNTO DE REGISTRO DE HOLOGRAMA SE DIRIGE LEJOS DE LOS ELEMENTOS DE DETECCION PARA EVITAR UNA SUPERVISION INCORRECTA DE LA INTENSIDAD.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/281,434 US4968138A (en) | 1988-12-08 | 1988-12-08 | System for monitoring intensity during holographic exposure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2081855T3 true ES2081855T3 (es) | 1996-03-16 |
Family
ID=23077279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES89312455T Expired - Lifetime ES2081855T3 (es) | 1988-12-08 | 1989-11-30 | Un sistema para vigilar la intensidad durante la exposicion holografica. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4968138A (es) |
| EP (1) | EP0372822B1 (es) |
| JP (1) | JPH02289887A (es) |
| CA (1) | CA2002212C (es) |
| DE (1) | DE68925473T2 (es) |
| ES (1) | ES2081855T3 (es) |
| IL (1) | IL92252A (es) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6002521A (en) | 1996-11-14 | 1999-12-14 | Thinking Lightly, Inc. | Light dispersive insulated glazing unit |
| US6332573B1 (en) | 1998-11-10 | 2001-12-25 | Ncr Corporation | Produce data collector and produce recognition system |
| US6155489A (en) * | 1998-11-10 | 2000-12-05 | Ncr Corporation | Item checkout device including a bar code data collector and a produce data collector |
| US6431446B1 (en) | 1999-07-28 | 2002-08-13 | Ncr Corporation | Produce recognition system and method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1924585A1 (de) * | 1969-05-14 | 1970-11-26 | Biedermann Dr Klaus | Verfahren und Vorrichtungen zur Herstellung von Hologrammen |
| US3826555A (en) * | 1969-07-21 | 1974-07-30 | Canon Kk | Holographic camera for forming planar or volume holograms |
| JPS5220863A (en) * | 1975-08-09 | 1977-02-17 | Toshiba Corp | Inducto type liquid level gauge |
| US4458977A (en) * | 1981-06-01 | 1984-07-10 | Hughes Aircraft Company | Systems for forming improved reflection holograms with a single beam |
| US4458978A (en) * | 1981-06-01 | 1984-07-10 | Hughes Aircraft Company | Double beam systems for forming improved holograms |
| US4478490A (en) * | 1981-11-02 | 1984-10-23 | Hughes Aircraft Company | Noise reduction in coherent systems |
| JPS6057884A (ja) * | 1983-09-10 | 1985-04-03 | Fujitsu Ltd | ホログラムの作成方法 |
-
1988
- 1988-12-08 US US07/281,434 patent/US4968138A/en not_active Expired - Lifetime
-
1989
- 1989-11-03 CA CA002002212A patent/CA2002212C/en not_active Expired - Lifetime
- 1989-11-08 IL IL92252A patent/IL92252A/xx active IP Right Grant
- 1989-11-30 ES ES89312455T patent/ES2081855T3/es not_active Expired - Lifetime
- 1989-11-30 EP EP89312455A patent/EP0372822B1/en not_active Expired - Lifetime
- 1989-11-30 DE DE68925473T patent/DE68925473T2/de not_active Expired - Lifetime
- 1989-12-08 JP JP1320400A patent/JPH02289887A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US4968138A (en) | 1990-11-06 |
| EP0372822B1 (en) | 1996-01-17 |
| IL92252A0 (en) | 1990-07-26 |
| JPH02289887A (ja) | 1990-11-29 |
| DE68925473T2 (de) | 1996-05-30 |
| CA2002212A1 (en) | 1990-06-08 |
| DE68925473D1 (de) | 1996-02-29 |
| EP0372822A2 (en) | 1990-06-13 |
| EP0372822A3 (en) | 1992-04-15 |
| IL92252A (en) | 1992-11-15 |
| CA2002212C (en) | 1995-02-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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