JPS5629271A - Holography apparatus - Google Patents
Holography apparatusInfo
- Publication number
- JPS5629271A JPS5629271A JP10368079A JP10368079A JPS5629271A JP S5629271 A JPS5629271 A JP S5629271A JP 10368079 A JP10368079 A JP 10368079A JP 10368079 A JP10368079 A JP 10368079A JP S5629271 A JPS5629271 A JP S5629271A
- Authority
- JP
- Japan
- Prior art keywords
- light
- hologram
- laser light
- treatment
- diffraction grating
- 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
- Holo Graphy (AREA)
Abstract
PURPOSE: To make the apparatus difficult to receive the effect of external vibrations and make the putting in and out of the object to be measured easy by splitting laser light to reference light and object light by the use of a diffraction grating.
CONSTITUTION: Laser light to be outputted from a laser light source 11 enters a diffraction grating 13 and is divided to atraighforward reference light a1 and diffracting object light b1. The object light b1 and reference light a1 reflected by the object 17 to be observed produce interference fringes on a hologram recorder 14 and are thereby recorded as a hologram. Next, if the observing object 17 having undergone treatment is placed on a table 16 and is adjusted and disposed to the same position having been stored previously by a position detector 18 and if laser light is again irradiated thereto, the reconstructed hologram interferes with the hologram produced by the object 17 after the treatment, thereby producing holography interference fringes. These are detected with a photodetector 15, and is analyzed by a signal processing unit 19, whereby the amount of change after the treatment of the object 17 is calculated and is displayed in a display device 20.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10368079A JPS5629271A (en) | 1979-08-15 | 1979-08-15 | Holography apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10368079A JPS5629271A (en) | 1979-08-15 | 1979-08-15 | Holography apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5629271A true JPS5629271A (en) | 1981-03-24 |
Family
ID=14360494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10368079A Pending JPS5629271A (en) | 1979-08-15 | 1979-08-15 | Holography apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5629271A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60122980A (en) * | 1983-12-07 | 1985-07-01 | Canon Inc | Preparation of hologram |
JPS60122981A (en) * | 1983-12-07 | 1985-07-01 | Canon Inc | Preparation of hologram |
-
1979
- 1979-08-15 JP JP10368079A patent/JPS5629271A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60122980A (en) * | 1983-12-07 | 1985-07-01 | Canon Inc | Preparation of hologram |
JPS60122981A (en) * | 1983-12-07 | 1985-07-01 | Canon Inc | Preparation of hologram |
JPH0583909B2 (en) * | 1983-12-07 | 1993-11-30 | Kyanon Kk | |
JPH0585909B2 (en) * | 1983-12-07 | 1993-12-09 | Canon Kk |
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