CH500511A - Anordnung zur Verringerung der Granulation bei der Wiedergabe von Hologrammen - Google Patents
Anordnung zur Verringerung der Granulation bei der Wiedergabe von HologrammenInfo
- Publication number
- CH500511A CH500511A CH803970A CH803970A CH500511A CH 500511 A CH500511 A CH 500511A CH 803970 A CH803970 A CH 803970A CH 803970 A CH803970 A CH 803970A CH 500511 A CH500511 A CH 500511A
- Authority
- CH
- Switzerland
- Prior art keywords
- granulation
- arrangement
- reducing
- reproducing holograms
- holograms
- Prior art date
Links
- 230000003179 granulation Effects 0.000 title 1
- 238000005469 granulation Methods 0.000 title 1
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
- G03H1/32—Systems for obtaining speckle elimination
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Holo Graphy (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Endoscopes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US83390669A | 1969-06-17 | 1969-06-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH500511A true CH500511A (de) | 1970-12-15 |
Family
ID=25265580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH803970A CH500511A (de) | 1969-06-17 | 1970-05-29 | Anordnung zur Verringerung der Granulation bei der Wiedergabe von Hologrammen |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3588217A (de) |
| JP (1) | JPS4948979B1 (de) |
| CA (1) | CA918474A (de) |
| CH (1) | CH500511A (de) |
| FR (1) | FR2052340A5 (de) |
| GB (1) | GB1291340A (de) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4155630A (en) * | 1977-11-17 | 1979-05-22 | University Of Delaware | Speckle elimination by random spatial phase modulation |
| JPS5924823A (ja) * | 1982-07-30 | 1984-02-08 | Leo Giken:Kk | 光フアイバ出力光のスペツクルの影響を消去する装置 |
| DE19704741A1 (de) | 1997-02-13 | 1998-08-20 | Daimler Benz Ag | Holografischer Bildschirm mit integrierter Speckleunterdrückung |
| US6791739B2 (en) | 2001-08-08 | 2004-09-14 | Eastman Kodak Company | Electro-optic despeckling modulator and method of use |
| US6594090B2 (en) | 2001-08-27 | 2003-07-15 | Eastman Kodak Company | Laser projection display system |
| US6577429B1 (en) | 2002-01-15 | 2003-06-10 | Eastman Kodak Company | Laser projection display system |
| USRE44472E1 (en) | 2002-04-22 | 2013-09-03 | Pertex Telecommunication Llc | Extended source transmitter for free space optical communication systems |
| US6810175B1 (en) * | 2002-04-22 | 2004-10-26 | Terabeam Corporation | Off-axis mode scrambler |
| WO2004106999A1 (en) * | 2003-05-28 | 2004-12-09 | Corning Incorporated | Methods of generating and transporting short wavelength radiation and apparati used therein |
| WO2007007389A1 (ja) * | 2005-07-11 | 2007-01-18 | Mitsubishi Denki Kabushiki Kaisha | スペックル除去光源および照明装置 |
| JP5058798B2 (ja) * | 2005-07-11 | 2012-10-24 | 三菱電機株式会社 | 照明装置 |
| US7457330B2 (en) | 2006-06-15 | 2008-11-25 | Pavilion Integration Corporation | Low speckle noise monolithic microchip RGB lasers |
| GB2462444A (en) * | 2008-08-06 | 2010-02-10 | Optyka Ltd | Image projection apparatus and method |
| US7969644B2 (en) * | 2008-09-02 | 2011-06-28 | Elbit Systems Of America, Llc | System and method for despeckling an image illuminated by a coherent light source |
| GB2467181B (en) * | 2009-01-27 | 2014-03-05 | Optyka Ltd | Speckle removal for a laser scanning projector |
| US8437059B2 (en) * | 2010-01-21 | 2013-05-07 | Technion Research & Development Foundation Limited | Method for reconstructing a holographic projection |
| EP2354638A1 (de) * | 2010-02-09 | 2011-08-10 | Koninklijke Philips Electronics N.V. | Beleuchtungsvorrichtung zur Erzeugung eines dekorativen Beleuchtungsmusters |
| US9229156B2 (en) * | 2011-07-07 | 2016-01-05 | Reald Inc. | Laser systems and methods |
| CN103364956B (zh) * | 2012-03-29 | 2016-01-06 | 山东华光光电子有限公司 | 一种光纤输出激光均匀化消散斑的方法及装置 |
| CN103293700A (zh) * | 2013-05-20 | 2013-09-11 | 北京航空航天大学 | 一种用于激光照明散斑消除的混光棒振动结构 |
| US12078813B2 (en) * | 2019-12-13 | 2024-09-03 | Hamamatsu Photonics K.K. | Light source module |
| CN120604153A (zh) * | 2023-01-20 | 2025-09-05 | 莫列斯有限公司 | 光学散斑消除器、包含该光学散斑消除器的光学系统和装置以及用于消除光信号散斑的方法 |
| TWI904552B (zh) * | 2024-01-19 | 2025-11-11 | 美商莫仕有限公司 | 光學散斑消除器、含有其的光學系統及裝置以及用於光信號散斑消除的方法 |
-
1969
- 1969-06-17 US US833906A patent/US3588217A/en not_active Expired - Lifetime
-
1970
- 1970-04-28 FR FR7015363A patent/FR2052340A5/fr not_active Expired
- 1970-05-19 CA CA082976A patent/CA918474A/en not_active Expired
- 1970-05-29 CH CH803970A patent/CH500511A/de not_active IP Right Cessation
- 1970-06-03 GB GB26717/70A patent/GB1291340A/en not_active Expired
- 1970-06-05 JP JP45048133A patent/JPS4948979B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA918474A (en) | 1973-01-09 |
| JPS4948979B1 (de) | 1974-12-24 |
| US3588217A (en) | 1971-06-28 |
| GB1291340A (en) | 1972-10-04 |
| DE2029218A1 (de) | 1971-01-07 |
| DE2029218B2 (de) | 1977-04-07 |
| FR2052340A5 (de) | 1971-04-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |