JPS561915A - Hologram and production of hologram and light beam scanner - Google Patents
Hologram and production of hologram and light beam scannerInfo
- Publication number
- JPS561915A JPS561915A JP7849579A JP7849579A JPS561915A JP S561915 A JPS561915 A JP S561915A JP 7849579 A JP7849579 A JP 7849579A JP 7849579 A JP7849579 A JP 7849579A JP S561915 A JPS561915 A JP S561915A
- Authority
- JP
- Japan
- Prior art keywords
- hologram
- interference fringes
- waves
- spherical waves
- light beam
- 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.)
- Pending
Links
Landscapes
- Mechanical Optical Scanning Systems (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Holo Graphy (AREA)
Abstract
PURPOSE: To obtain the beam scanner of large scanning angles, small aberrations and large scanning magnifications by using the hologram formed from the interference fringes obtained by causing the phase subtracted waves having been subtracted of a plurality of spherical waves and the spherical waves to interfere with each other.
CONSTITUTION: The interference fringes are formed by the interference of the phase subtracted waves having been removed of the phases of N number (N is integer) of spherical waves and the spherical waves and the interference fringes thus obtained are recorded on a recording medium, whereby a hologram is obtained. The phase distribution ϕ of the interference fringes may be expressed by formula 1. The light beam scanner using this hologram causes the light beam generated from a laser 23 to be focused by a lens 24 to be made into the divergent spherical waves which then radiate the hologram 25. The primary diffracted light from the hologram 25 focuses on a scanning plane 26 and is scanned in the direction perpendicular to the plane of the paper by a hologram moving mechanism. By using the hologram having been recorded with the interference fringes of high approximate degrees, the scanner of large scanning angles, small aberrations and large scanning magnifications may be obtained.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7849579A JPS561915A (en) | 1979-06-21 | 1979-06-21 | Hologram and production of hologram and light beam scanner |
US06/161,970 US4378142A (en) | 1979-06-21 | 1980-06-23 | Hologram made by using a plurality of spherical waves and a device for laser beam scanning by using the hologram |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7849579A JPS561915A (en) | 1979-06-21 | 1979-06-21 | Hologram and production of hologram and light beam scanner |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS561915A true JPS561915A (en) | 1981-01-10 |
Family
ID=13663542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7849579A Pending JPS561915A (en) | 1979-06-21 | 1979-06-21 | Hologram and production of hologram and light beam scanner |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS561915A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008075483A1 (en) | 2006-12-19 | 2008-06-26 | Ajinomoto Co., Inc. | Process for production of l-amino acid |
WO2009088049A1 (en) | 2008-01-10 | 2009-07-16 | Ajinomoto Co., Inc. | Method for production of desired substance by fermentation process |
WO2009093703A1 (en) | 2008-01-23 | 2009-07-30 | Ajinomoto Co., Inc. | Method of producing l-amino acid |
WO2011013707A1 (en) | 2009-07-29 | 2011-02-03 | 味の素株式会社 | Method for producing l-amino acid |
WO2011024583A1 (en) | 2009-08-25 | 2011-03-03 | 味の素株式会社 | Process for production of l-amino acid |
-
1979
- 1979-06-21 JP JP7849579A patent/JPS561915A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008075483A1 (en) | 2006-12-19 | 2008-06-26 | Ajinomoto Co., Inc. | Process for production of l-amino acid |
WO2009088049A1 (en) | 2008-01-10 | 2009-07-16 | Ajinomoto Co., Inc. | Method for production of desired substance by fermentation process |
EP2749652A2 (en) | 2008-01-10 | 2014-07-02 | Ajinomoto Co., Inc. | A method for producing a target substance by fermentation |
WO2009093703A1 (en) | 2008-01-23 | 2009-07-30 | Ajinomoto Co., Inc. | Method of producing l-amino acid |
WO2011013707A1 (en) | 2009-07-29 | 2011-02-03 | 味の素株式会社 | Method for producing l-amino acid |
WO2011024583A1 (en) | 2009-08-25 | 2011-03-03 | 味の素株式会社 | Process for production of l-amino acid |
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