AU531891B2 - Optical attenuator - Google Patents
Optical attenuatorInfo
- Publication number
- AU531891B2 AU531891B2 AU69367/81A AU6936781A AU531891B2 AU 531891 B2 AU531891 B2 AU 531891B2 AU 69367/81 A AU69367/81 A AU 69367/81A AU 6936781 A AU6936781 A AU 6936781A AU 531891 B2 AU531891 B2 AU 531891B2
- Authority
- AU
- Australia
- Prior art keywords
- optical attenuator
- attenuator
- optical
- 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.)
- Ceased
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/205—Neutral density filters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Optical Elements Other Than Lenses (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8012914 | 1980-04-18 | ||
GB8012914A GB2074339B (en) | 1980-04-18 | 1980-04-18 | Optical attenuator |
Publications (2)
Publication Number | Publication Date |
---|---|
AU6936781A AU6936781A (en) | 1981-10-22 |
AU531891B2 true AU531891B2 (en) | 1983-09-08 |
Family
ID=10512879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU69367/81A Ceased AU531891B2 (en) | 1980-04-18 | 1981-04-10 | Optical attenuator |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS56164303A (en) |
AU (1) | AU531891B2 (en) |
DE (1) | DE3113840A1 (en) |
FR (1) | FR2480949A1 (en) |
GB (1) | GB2074339B (en) |
SE (1) | SE8102249L (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4682214A (en) * | 1982-03-29 | 1987-07-21 | Fuji Photo Optical Co., Ltd. | Test pattern projector for a color television camera |
EP0374565B1 (en) * | 1988-12-22 | 1993-06-16 | Oerlikon-Contraves AG | Graded filter |
US5210657A (en) * | 1991-02-15 | 1993-05-11 | Anritsu Corporation | Optical attenuator apparatus without steep level variation |
EP0694173A1 (en) * | 1992-01-02 | 1996-01-31 | Adc Telecommunications, Inc. | Overlapping fusion attenuator |
US5319733A (en) * | 1992-01-02 | 1994-06-07 | Adc Telecommunications, Inc. | Variable fiber optical attenuator |
DE69204984T2 (en) * | 1992-02-25 | 1996-02-08 | Hewlett Packard Gmbh | Optical attenuator. |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE633060C (en) * | 1931-09-25 | 1936-07-18 | Carl Krug Dr Ing | Double prism |
CA1000085A (en) * | 1971-12-13 | 1976-11-23 | Richard A. Mecklenborg | Focusing roll and displacement prisms |
-
1980
- 1980-04-18 GB GB8012914A patent/GB2074339B/en not_active Expired
-
1981
- 1981-04-06 DE DE19813113840 patent/DE3113840A1/en not_active Withdrawn
- 1981-04-08 SE SE8102249A patent/SE8102249L/en not_active Application Discontinuation
- 1981-04-10 AU AU69367/81A patent/AU531891B2/en not_active Ceased
- 1981-04-16 JP JP5637681A patent/JPS56164303A/en active Pending
- 1981-04-17 FR FR8107764A patent/FR2480949A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS56164303A (en) | 1981-12-17 |
SE8102249L (en) | 1981-10-19 |
GB2074339B (en) | 1984-01-18 |
GB2074339A (en) | 1981-10-28 |
AU6936781A (en) | 1981-10-22 |
DE3113840A1 (en) | 1982-04-22 |
FR2480949A1 (en) | 1981-10-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU556784B2 (en) | Optical attenuator | |
AU537880B2 (en) | Optical coupling | |
AU544099B2 (en) | Triazolylpentenols | |
AU537992B2 (en) | Polusilanes | |
AU542600B2 (en) | Platinum-diamines | |
AU7314581A (en) | Optical connector | |
AU7470381A (en) | Optical focussing device | |
AU538782B2 (en) | Triazoloquinoxalin-4-ones | |
AU536754B2 (en) | Imidodisulfamides | |
AU539188B2 (en) | Skin-packaging | |
AU3206284A (en) | 2-guanidno-4-heteroarylthiazoles | |
AU539664B2 (en) | Optical fibres | |
AU540312B2 (en) | Optical focusing device | |
AU541912B2 (en) | 2-nitroimidazoles | |
AU537824B2 (en) | Oxygensensor | |
AU527275B2 (en) | Auto-diaphragm hemodialyser | |
AU540787B2 (en) | 4-indenyl-alkyl-piperidenes | |
AU531891B2 (en) | Optical attenuator | |
AU543520B2 (en) | Kijanimicin | |
AU539909B2 (en) | Optical fibre | |
AU534814B2 (en) | Showstand | |
AU537073B2 (en) | Haloacetanilide | |
AU517843B2 (en) | Guanylamidines | |
AU541732B2 (en) | 11a-amino-androstanes | |
AU540683B2 (en) | Photocomposer |