CA2001829C - Filtre optique affaiblisseur de faisceaux laser - Google Patents
Filtre optique affaiblisseur de faisceaux laser Download PDFInfo
- Publication number
- CA2001829C CA2001829C CA002001829A CA2001829A CA2001829C CA 2001829 C CA2001829 C CA 2001829C CA 002001829 A CA002001829 A CA 002001829A CA 2001829 A CA2001829 A CA 2001829A CA 2001829 C CA2001829 C CA 2001829C
- Authority
- CA
- Canada
- Prior art keywords
- filtering means
- absorption
- laser
- radiation
- filter
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/22—Absorbing filters
- G02B5/223—Absorbing filters containing organic substances, e.g. dyes, inks or pigments
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Filters (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Lasers (AREA)
- Laser Surgery Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US27593388A | 1988-11-25 | 1988-11-25 | |
| US07/275933 | 1988-11-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2001829A1 CA2001829A1 (fr) | 1990-05-25 |
| CA2001829C true CA2001829C (fr) | 2000-04-11 |
Family
ID=23054422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002001829A Expired - Fee Related CA2001829C (fr) | 1988-11-25 | 1989-10-31 | Filtre optique affaiblisseur de faisceaux laser |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPH02199405A (fr) |
| CA (1) | CA2001829C (fr) |
| DE (1) | DE3938688C2 (fr) |
| FR (1) | FR2640053B1 (fr) |
| GB (1) | GB2225445B (fr) |
| IT (1) | IT1236817B (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4933110A (en) * | 1988-12-28 | 1990-06-12 | American Cyanamid Company | Optical radiation shield for protection from multiple lasers |
| GB9210952D0 (en) * | 1992-05-22 | 1992-07-08 | Pilkington Plc | Optical filter |
| DE102004055655B4 (de) * | 2004-11-15 | 2006-07-27 | Carl Zeiss Ag | Laserschutzvorrichtung für ein optisches Beobachtungsgerät und optisches Beobachtungsgerät |
| CN105829926B (zh) | 2013-12-20 | 2019-11-26 | 肖特股份有限公司 | 光滤波器 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3687863A (en) * | 1970-05-25 | 1972-08-29 | Gen Telephone & Elect | Optical filters containing tetraphenyl-porphins and method of making same |
| US4622174A (en) * | 1984-06-05 | 1986-11-11 | Barnes Engineering Company | Transparent protective laser shield |
| US4657345A (en) * | 1985-03-11 | 1987-04-14 | Barnes Engineering Company | Laser shield and method of making same |
| US4885114A (en) * | 1987-04-22 | 1989-12-05 | Barnes Engineering Co. | Metallized tetra((meso)-5-methyl-2-thiophene)porphines, platinum (5-bromo octaethylporphine) and optical filters containing same |
-
1989
- 1989-10-31 CA CA002001829A patent/CA2001829C/fr not_active Expired - Fee Related
- 1989-10-31 GB GB8924481A patent/GB2225445B/en not_active Expired - Lifetime
- 1989-11-22 JP JP1302267A patent/JPH02199405A/ja active Pending
- 1989-11-22 DE DE3938688A patent/DE3938688C2/de not_active Expired - Fee Related
- 1989-11-23 IT IT02248889A patent/IT1236817B/it active IP Right Grant
- 1989-11-24 FR FR8915518A patent/FR2640053B1/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| FR2640053A1 (fr) | 1990-06-08 |
| DE3938688A1 (de) | 1990-05-31 |
| JPH02199405A (ja) | 1990-08-07 |
| IT1236817B (it) | 1993-04-02 |
| CA2001829A1 (fr) | 1990-05-25 |
| DE3938688C2 (de) | 1999-03-25 |
| GB8924481D0 (en) | 1989-12-20 |
| FR2640053B1 (fr) | 1993-12-31 |
| GB2225445A (en) | 1990-05-30 |
| GB2225445B (en) | 1992-12-23 |
| IT8922488A1 (it) | 1991-05-23 |
| IT8922488A0 (it) | 1989-11-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |