JPS5357054A - Optical system of fresnel lens - Google Patents
Optical system of fresnel lensInfo
- Publication number
- JPS5357054A JPS5357054A JP13188576A JP13188576A JPS5357054A JP S5357054 A JPS5357054 A JP S5357054A JP 13188576 A JP13188576 A JP 13188576A JP 13188576 A JP13188576 A JP 13188576A JP S5357054 A JPS5357054 A JP S5357054A
- Authority
- JP
- Japan
- Prior art keywords
- fresnel lens
- optical system
- aberration
- accomplish
- improving
- 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
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Abstract
PURPOSE: To make it possible to accomplish the focusing operation at a preset point by improving the groove cutting condition of a normal Fresnel lens to reduce the aberration of a diffraction pattern to a sufficiently low level.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13188576A JPS5357054A (en) | 1976-11-02 | 1976-11-02 | Optical system of fresnel lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13188576A JPS5357054A (en) | 1976-11-02 | 1976-11-02 | Optical system of fresnel lens |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5357054A true JPS5357054A (en) | 1978-05-24 |
Family
ID=15068409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13188576A Pending JPS5357054A (en) | 1976-11-02 | 1976-11-02 | Optical system of fresnel lens |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5357054A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57105703A (en) * | 1980-11-04 | 1982-07-01 | Minnesota Mining & Mfg | Point focal point condenser |
-
1976
- 1976-11-02 JP JP13188576A patent/JPS5357054A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57105703A (en) * | 1980-11-04 | 1982-07-01 | Minnesota Mining & Mfg | Point focal point condenser |
JPH0547801B2 (en) * | 1980-11-04 | 1993-07-19 | Minnesota Mining & Mfg |
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