JPS5348754A - Optical phase plate and its production - Google Patents

Optical phase plate and its production

Info

Publication number
JPS5348754A
JPS5348754A JP12417276A JP12417276A JPS5348754A JP S5348754 A JPS5348754 A JP S5348754A JP 12417276 A JP12417276 A JP 12417276A JP 12417276 A JP12417276 A JP 12417276A JP S5348754 A JPS5348754 A JP S5348754A
Authority
JP
Japan
Prior art keywords
phase plate
production
optical phase
holography
noises
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.)
Granted
Application number
JP12417276A
Other languages
Japanese (ja)
Other versions
JPS5646121B2 (en
Inventor
Isamu Kitahiro
Takeshi Ishihara
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP12417276A priority Critical patent/JPS5348754A/en
Publication of JPS5348754A publication Critical patent/JPS5348754A/en
Publication of JPS5646121B2 publication Critical patent/JPS5646121B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Elements Other Than Lenses (AREA)
  • Holo Graphy (AREA)

Abstract

PURPOSE: In a phase plate in holography, etc., the noises of transmitted light are perfectly removed and relatively easy and accurate production is made possible by making use of the difference in the rate of etching between silicon oxide layers and polysilicon.
COPYRIGHT: (C)1978,JPO&Japio
JP12417276A 1976-10-15 1976-10-15 Optical phase plate and its production Granted JPS5348754A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12417276A JPS5348754A (en) 1976-10-15 1976-10-15 Optical phase plate and its production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12417276A JPS5348754A (en) 1976-10-15 1976-10-15 Optical phase plate and its production

Publications (2)

Publication Number Publication Date
JPS5348754A true JPS5348754A (en) 1978-05-02
JPS5646121B2 JPS5646121B2 (en) 1981-10-31

Family

ID=14878731

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12417276A Granted JPS5348754A (en) 1976-10-15 1976-10-15 Optical phase plate and its production

Country Status (1)

Country Link
JP (1) JPS5348754A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4998645A (en) * 1973-01-24 1974-09-18
JPS52134745A (en) * 1976-05-07 1977-11-11 Matsushita Electric Ind Co Ltd Optical phase plate

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4998645A (en) * 1973-01-24 1974-09-18
JPS52134745A (en) * 1976-05-07 1977-11-11 Matsushita Electric Ind Co Ltd Optical phase plate

Also Published As

Publication number Publication date
JPS5646121B2 (en) 1981-10-31

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