JPS5357054A - Optical system of fresnel lens - Google Patents

Optical system of fresnel lens

Info

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
Application number
JP13188576A
Other languages
Japanese (ja)
Inventor
Kenzo Yonezawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP13188576A priority Critical patent/JPS5357054A/en
Publication of JPS5357054A publication Critical patent/JPS5357054A/en
Pending legal-status Critical Current

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
JP13188576A 1976-11-02 1976-11-02 Optical system of fresnel lens Pending JPS5357054A (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57105703A (en) * 1980-11-04 1982-07-01 Minnesota Mining & Mfg Point focal point condenser

Cited By (2)

* Cited by examiner, † Cited by third party
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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