CH679891A5 - - Google Patents
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- Publication number
- CH679891A5 CH679891A5 CH12390A CH12390A CH679891A5 CH 679891 A5 CH679891 A5 CH 679891A5 CH 12390 A CH12390 A CH 12390A CH 12390 A CH12390 A CH 12390A CH 679891 A5 CH679891 A5 CH 679891A5
- Authority
- CH
- Switzerland
- Prior art keywords
- length
- measurement
- vacuum chamber
- measuring
- refractometer
- Prior art date
Links
- 238000005259 measurement Methods 0.000 claims description 33
- 230000005855 radiation Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 230000009897 systematic effect Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000001427 coherent effect Effects 0.000 description 5
- 239000011521 glass Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 2
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 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)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19893901592 DE3901592A1 (de) | 1989-01-20 | 1989-01-20 | Interferenz-refraktometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH679891A5 true CH679891A5 (enrdf_load_stackoverflow) | 1992-04-30 |
Family
ID=6372454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH12390A CH679891A5 (enrdf_load_stackoverflow) | 1989-01-20 | 1990-01-16 |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH679891A5 (enrdf_load_stackoverflow) |
| DE (1) | DE3901592A1 (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2696545B1 (fr) * | 1992-10-06 | 1994-12-30 | Suisse Electronique Microtech | Interféromètre comprenant un ensemble intégré et une unité réfléchissante séparés l'un de l'autre par une région de mesure. |
| GB9418738D0 (en) * | 1994-09-16 | 1994-11-02 | Queensgate Instr Ltd | Interferometer |
| CN1095542C (zh) * | 2000-02-25 | 2002-12-04 | 清华大学 | 双真空室双频测相空气折射率干涉仪 |
-
1989
- 1989-01-20 DE DE19893901592 patent/DE3901592A1/de not_active Withdrawn
-
1990
- 1990-01-16 CH CH12390A patent/CH679891A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3901592A1 (de) | 1990-07-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |