CA2366354A1 - Method of manufacture of an optical waveplate - Google Patents

Method of manufacture of an optical waveplate Download PDF

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Publication number
CA2366354A1
CA2366354A1 CA002366354A CA2366354A CA2366354A1 CA 2366354 A1 CA2366354 A1 CA 2366354A1 CA 002366354 A CA002366354 A CA 002366354A CA 2366354 A CA2366354 A CA 2366354A CA 2366354 A1 CA2366354 A1 CA 2366354A1
Authority
CA
Canada
Prior art keywords
waveplate
manufacture
optical waveplate
optical
groove
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
CA002366354A
Other languages
French (fr)
Other versions
CA2366354C (en
Inventor
Shinji Ando
Takashi Sawada
Yasuyuki Inoue
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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
Priority claimed from JP03936894A external-priority patent/JP3501235B2/en
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority claimed from CA002239922A external-priority patent/CA2239922C/en
Publication of CA2366354A1 publication Critical patent/CA2366354A1/en
Application granted granted Critical
Publication of CA2366354C publication Critical patent/CA2366354C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Optical Integrated Circuits (AREA)
  • Polarising Elements (AREA)

Abstract

An optical waveplate includes a polyimide with a film thickness of 20 µm or less. A waveguide device using the waveplate has an optical waveguide with a groove formed at an angle close to a right angle and the waveplate inserted in the groove.
CA002366354A 1993-05-07 1994-05-06 Method of manufacture of an optical waveplate Expired - Lifetime CA2366354C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP13012793 1993-05-07
JP130127/1993 1993-05-07
JP03936894A JP3501235B2 (en) 1993-05-07 1994-02-15 Waveguide type optical device
JP039368/1994 1994-02-15
CA002239922A CA2239922C (en) 1993-05-07 1994-05-06 Waveguide device using optical waveplate

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002239922A Division CA2239922C (en) 1993-05-07 1994-05-06 Waveguide device using optical waveplate

Publications (2)

Publication Number Publication Date
CA2366354A1 true CA2366354A1 (en) 1994-11-08
CA2366354C CA2366354C (en) 2003-07-29

Family

ID=27170726

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002366405A Expired - Lifetime CA2366405C (en) 1993-05-07 1994-05-06 Waveguide device using optical waveplate
CA002366354A Expired - Lifetime CA2366354C (en) 1993-05-07 1994-05-06 Method of manufacture of an optical waveplate

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA002366405A Expired - Lifetime CA2366405C (en) 1993-05-07 1994-05-06 Waveguide device using optical waveplate

Country Status (1)

Country Link
CA (2) CA2366405C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113488603A (en) * 2021-07-07 2021-10-08 业成科技（成都）有限公司 Method for manufacturing optical display device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113488603A (en) * 2021-07-07 2021-10-08 业成科技（成都）有限公司 Method for manufacturing optical display device
CN113488603B (en) * 2021-07-07 2023-08-25 业成科技（成都）有限公司 Method for manufacturing optical display device

Also Published As

Publication number Publication date
CA2366354C (en) 2003-07-29
CA2366405C (en) 2002-11-12

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Legal Events

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EEER Examination request
MKEX Expiry

Effective date: 20140506