BE792026A - METHOD AND DEVICE FOR DETERMINING THE ABILITY OF A TRANSPARENT MATERIAL TO BECOME THE LIGHT RAYS THROUGH IT - Google Patents
METHOD AND DEVICE FOR DETERMINING THE ABILITY OF A TRANSPARENT MATERIAL TO BECOME THE LIGHT RAYS THROUGH ITInfo
- Publication number
- BE792026A BE792026A BE792026DA BE792026A BE 792026 A BE792026 A BE 792026A BE 792026D A BE792026D A BE 792026DA BE 792026 A BE792026 A BE 792026A
- Authority
- BE
- Belgium
- Prior art keywords
- ability
- determining
- become
- transparent material
- light rays
- Prior art date
Links
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
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
- G01N21/45—Refractivity; Phase-affecting properties, e.g. optical path length using interferometric methods; using Schlieren methods
- G01N21/455—Schlieren methods, e.g. for gradient index determination; Shadowgraph
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
-
- 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
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
- G01N21/45—Refractivity; Phase-affecting properties, e.g. optical path length using interferometric methods; using Schlieren methods
-
- 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
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
- G01N21/896—Optical defects in or on transparent materials, e.g. distortion, surface flaws in conveyed flat sheet or rod
Landscapes
- Physics & Mathematics (AREA)
- General 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)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5628271A GB1366944A (en) | 1971-12-03 | 1971-12-03 | Method and apparatus for testing light-transmitting material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE792026A true BE792026A (en) | 1973-05-29 |
Family
ID=10476235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE792026D BE792026A (en) | 1971-12-03 | 1972-11-29 | METHOD AND DEVICE FOR DETERMINING THE ABILITY OF A TRANSPARENT MATERIAL TO BECOME THE LIGHT RAYS THROUGH IT |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS4864982A (en) |
| AU (1) | AU4938772A (en) |
| BE (1) | BE792026A (en) |
| DE (1) | DE2258702A1 (en) |
| FR (1) | FR2166975A5 (en) |
| GB (1) | GB1366944A (en) |
| IT (1) | IT975852B (en) |
| NL (1) | NL7216224A (en) |
| SE (1) | SE390570B (en) |
| ZA (1) | ZA728518B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4341469A (en) * | 1980-06-18 | 1982-07-27 | Discovision Associates | Laser shadowgraph |
| US4456375A (en) * | 1981-11-23 | 1984-06-26 | Discovision Associates | Optical disc measurement by refraction |
| DE3326065C2 (en) * | 1982-07-31 | 1986-03-27 | Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln | Method for the quantitative measurement of inhomogeneities in optical glasses |
| DE3534018A1 (en) * | 1985-09-24 | 1987-04-02 | Sick Optik Elektronik Erwin | OPTICAL RAILWAY MONITORING DEVICE |
| DE3937559A1 (en) * | 1989-09-02 | 1991-03-14 | Flachglas Ag | METHOD FOR DETECTING OPTICAL ERRORS IN DISC FROM A TRANSPARENT MATERIAL, ESPECIALLY FROM GLASS |
| CN110161010B (en) * | 2019-07-01 | 2021-10-08 | 河海大学常州校区 | Reflective temperature-controllable laser excitation remote fluorescent material testing device |
-
1971
- 1971-11-29 AU AU49387/72A patent/AU4938772A/en not_active Expired
- 1971-12-03 GB GB5628271A patent/GB1366944A/en not_active Expired
-
1972
- 1972-11-24 IT IT70705/72A patent/IT975852B/en active
- 1972-11-28 SE SE7215517A patent/SE390570B/en unknown
- 1972-11-29 BE BE792026D patent/BE792026A/en unknown
- 1972-11-30 NL NL7216224A patent/NL7216224A/xx not_active Application Discontinuation
- 1972-11-30 FR FR7242713A patent/FR2166975A5/fr not_active Expired
- 1972-11-30 DE DE19722258702 patent/DE2258702A1/en active Pending
- 1972-12-02 JP JP47121112A patent/JPS4864982A/ja active Pending
- 1972-12-11 ZA ZA728518A patent/ZA728518B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ZA728518B (en) | 1973-09-26 |
| NL7216224A (en) | 1973-06-05 |
| AU4938772A (en) | 1974-06-06 |
| DE2258702A1 (en) | 1973-06-07 |
| IT975852B (en) | 1974-08-10 |
| SE390570B (en) | 1976-12-27 |
| GB1366944A (en) | 1974-09-18 |
| FR2166975A5 (en) | 1973-08-17 |
| JPS4864982A (en) | 1973-09-07 |
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