BE530417A - - Google Patents
Info
- Publication number
- BE530417A BE530417A BE530417DA BE530417A BE 530417 A BE530417 A BE 530417A BE 530417D A BE530417D A BE 530417DA BE 530417 A BE530417 A BE 530417A
- Authority
- BE
- Belgium
- Prior art keywords
- air
- chamber
- comparison
- instrument
- filled
- Prior art date
Links
- 239000007789 gas Substances 0.000 claims 3
- 238000011109 contamination Methods 0.000 claims 2
- 239000002184 metal Substances 0.000 claims 2
- 230000003287 optical effect Effects 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 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
- G01N21/41—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
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)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Spectrometry And Color Measurement (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE530417A true BE530417A (sr) |
Family
ID=163072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE530417D BE530417A (sr) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE530417A (sr) |
-
0
- BE BE530417D patent/BE530417A/fr unknown
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