DE3788045T2 - Verfahren zur Messung der Viskosität des Vorformlings einer optischen Faser. - Google Patents
Verfahren zur Messung der Viskosität des Vorformlings einer optischen Faser.Info
- Publication number
- DE3788045T2 DE3788045T2 DE87118266T DE3788045T DE3788045T2 DE 3788045 T2 DE3788045 T2 DE 3788045T2 DE 87118266 T DE87118266 T DE 87118266T DE 3788045 T DE3788045 T DE 3788045T DE 3788045 T2 DE3788045 T2 DE 3788045T2
- Authority
- DE
- Germany
- Prior art keywords
- viscosity
- measuring
- optical fiber
- fiber preform
- preform
- 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
- 239000013307 optical fiber Substances 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/44—Raman spectrometry; Scattering spectrometry ; Fluorescence spectrometry
- G01J3/4412—Scattering spectrometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N2021/4704—Angular selective
- G01N2021/4709—Backscatter
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N2021/4735—Solid samples, e.g. paper, glass
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT67920/86A IT1196832B (it) | 1986-12-10 | 1986-12-10 | Procedimento per misurare la viscosita di un corpo |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3788045D1 DE3788045D1 (de) | 1993-12-09 |
DE3788045T2 true DE3788045T2 (de) | 1994-04-07 |
Family
ID=11306378
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE87118266T Expired - Fee Related DE3788045T2 (de) | 1986-12-10 | 1987-12-09 | Verfahren zur Messung der Viskosität des Vorformlings einer optischen Faser. |
DE198787118266T Pending DE271087T1 (de) | 1986-12-10 | 1987-12-09 | Verfahren zur messung der viskositaet eines koerpers. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE198787118266T Pending DE271087T1 (de) | 1986-12-10 | 1987-12-09 | Verfahren zur messung der viskositaet eines koerpers. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4830512A (de) |
EP (1) | EP0271087B1 (de) |
JP (1) | JPS63150647A (de) |
CA (1) | CA1304955C (de) |
DE (2) | DE3788045T2 (de) |
IT (1) | IT1196832B (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7538872B1 (en) * | 2006-08-02 | 2009-05-26 | Butler Eugene W | Diagnostic methods and apparatus for directed energy applications |
CN102053073A (zh) * | 2010-11-10 | 2011-05-11 | 南昌航空大学 | 一种测量氮气布里渊散射信号的方法及装置 |
CN106932430B (zh) * | 2017-03-17 | 2019-10-29 | 四川旭虹光电科技有限公司 | 3d曲面玻璃热弯温度参数的确定方法 |
CN108195720B (zh) * | 2018-01-14 | 2023-09-05 | 陕西东方长安航空科技有限公司 | 一种航空液压油粘度衰减控制指标测试装置与测试方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3424533A (en) * | 1963-02-28 | 1969-01-28 | Philips Corp | Spectrographic analysis |
BE734624A (de) * | 1968-07-19 | 1969-12-01 | ||
US3559464A (en) * | 1969-11-13 | 1971-02-02 | Exxon Research Engineering Co | Rheometer for continuous monitoring of a plastic |
US4105337A (en) * | 1977-05-11 | 1978-08-08 | Bell Telephone Laboratories, Incorporated | Self-induced rotation ellipsometer |
US4396290A (en) * | 1979-09-24 | 1983-08-02 | University Of Utah Research Institute | Two pump-frequency-stimulated Brillouin scattering ring laser gyroscope |
US4299393A (en) * | 1980-04-14 | 1981-11-10 | International Laser Systems, Inc. | Area radiation target |
US4403502A (en) * | 1981-03-04 | 1983-09-13 | University Of Pittsburgh | Viscometer for cast foaming materials and associated method |
FI824185L (fi) * | 1981-12-07 | 1983-06-08 | Valmet Oy | Optiskt foerfarande och optisk anordning foer maetning av konsistensen av massasuspension |
US4571081A (en) * | 1982-09-07 | 1986-02-18 | Coulter Electronics Of New England, Inc. | Light scattering apparatus and method |
US4516864A (en) * | 1982-12-27 | 1985-05-14 | General Electric Company | Non-contact sensing apparatus and method for polymer melt temperature profile determination |
GB2140554A (en) * | 1983-05-26 | 1984-11-28 | Plessey Co Plc | Temperature measuring arrangement |
GB2170593B (en) * | 1985-02-01 | 1988-09-14 | Central Electr Generat Board | Temperature measurement |
US4724316A (en) * | 1985-07-12 | 1988-02-09 | Eldec Corporation | Temperature independent fiber optic sensor |
-
1986
- 1986-12-10 IT IT67920/86A patent/IT1196832B/it active
-
1987
- 1987-11-18 US US07/122,074 patent/US4830512A/en not_active Expired - Lifetime
- 1987-11-27 CA CA000553005A patent/CA1304955C/en not_active Expired - Lifetime
- 1987-12-03 JP JP62304701A patent/JPS63150647A/ja active Granted
- 1987-12-09 EP EP87118266A patent/EP0271087B1/de not_active Expired - Lifetime
- 1987-12-09 DE DE87118266T patent/DE3788045T2/de not_active Expired - Fee Related
- 1987-12-09 DE DE198787118266T patent/DE271087T1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS63150647A (ja) | 1988-06-23 |
EP0271087B1 (de) | 1993-11-03 |
IT1196832B (it) | 1988-11-25 |
US4830512A (en) | 1989-05-16 |
IT8667920A0 (it) | 1986-12-10 |
EP0271087A2 (de) | 1988-06-15 |
CA1304955C (en) | 1992-07-14 |
EP0271087A3 (en) | 1990-01-10 |
JPH0549174B2 (de) | 1993-07-23 |
DE271087T1 (de) | 1990-08-16 |
DE3788045D1 (de) | 1993-12-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: OPTICAL TECHNOLOGIES CENTER S.R.L., TURIN/TORINO, |
|
8339 | Ceased/non-payment of the annual fee |