CA2366405C - Waveguide device using optical waveplate - Google Patents
Waveguide device using optical waveplate Download PDFInfo
- Publication number
- CA2366405C CA2366405C CA002366405A CA2366405A CA2366405C CA 2366405 C CA2366405 C CA 2366405C CA 002366405 A CA002366405 A CA 002366405A CA 2366405 A CA2366405 A CA 2366405A CA 2366405 C CA2366405 C CA 2366405C
- Authority
- CA
- Canada
- Prior art keywords
- waveguide
- optical
- groove
- waveguide device
- waveplate
- 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.)
- Expired - Lifetime
Links
Landscapes
- 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.
Claims (3)
1. A waveguide device constituted by an optical waveguide formed on a substrate, wherein a groove is so formed as to form a predetermined angle, which is close to a right angle, with said waveguide and to cross said waveguide, and an optical waveplate consisting of a polyimide film with a film thickness of not more than 20 µm is inserted into said groove,
2. A polarization convertor, wherein a waveguide device comprises a single optical waveguide, and a half waveplate consisting of a polyimide film with a film thickness of not more than 20 µm and having a product of an in-plane anisotropy of refractive index and a thickness set to one-half of a wavelength of light propagating through said waveguide is inserted into a groove formed in a waveguide substrate so as to cross said waveguide substrate and to make a certain angle with said waveguide.
3. A convertor according to claim 2, wherein the certain angle is defined between 80° and 90°.
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 (1)
| Publication Number | Publication Date |
|---|---|
| CA2366405C true CA2366405C (en) | 2002-11-12 |
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 After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002366354A Expired - Lifetime CA2366354C (en) | 1993-05-07 | 1994-05-06 | Method of manufacture of an optical waveplate |
Country Status (1)
| Country | Link |
|---|---|
| CA (2) | CA2366405C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113488603B (en) * | 2021-07-07 | 2023-08-25 | 业成科技（成都）有限公司 | Manufacturing method of optical display device |
-
1994
- 1994-05-06 CA CA002366405A patent/CA2366405C/en not_active Expired - Lifetime
- 1994-05-06 CA CA002366354A patent/CA2366354C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2366354A1 (en) | 1994-11-08 |
| CA2366354C (en) | 2003-07-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20140506 |