JPS61235737A - 水分検出方法 - Google Patents
水分検出方法Info
- Publication number
- JPS61235737A JPS61235737A JP60078175A JP7817585A JPS61235737A JP S61235737 A JPS61235737 A JP S61235737A JP 60078175 A JP60078175 A JP 60078175A JP 7817585 A JP7817585 A JP 7817585A JP S61235737 A JPS61235737 A JP S61235737A
- Authority
- JP
- Japan
- Prior art keywords
- wavelength
- light
- optical fiber
- water
- output
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 title description 2
- 239000013307 optical fiber Substances 0.000 claims description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000007654 immersion Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 description 7
- 239000010453 quartz Substances 0.000 description 5
- 230000002238 attenuated effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten 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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3554—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (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)
- Testing Of Optical Devices Or Fibers (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Examining Or Testing Airtightness (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60078175A JPS61235737A (ja) | 1985-04-11 | 1985-04-11 | 水分検出方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60078175A JPS61235737A (ja) | 1985-04-11 | 1985-04-11 | 水分検出方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61235737A true JPS61235737A (ja) | 1986-10-21 |
| JPH0531099B2 JPH0531099B2 (enExample) | 1993-05-11 |
Family
ID=13654620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60078175A Granted JPS61235737A (ja) | 1985-04-11 | 1985-04-11 | 水分検出方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61235737A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001051068A (ja) * | 1999-08-17 | 2001-02-23 | Hightech Research Kk | 凍結検知センサおよびそのセンサ素子 |
| WO2020036723A1 (en) * | 2018-08-13 | 2020-02-20 | Hewlett-Packard Development Company, L.P. | Water content sensor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5347845A (en) * | 1976-10-13 | 1978-04-28 | Fujitsu Ltd | Material glass for glass fiber for optical transmission |
| JPS5398317A (en) * | 1977-02-09 | 1978-08-28 | Fujitsu Ltd | Method of manufacturing glass containing phosphorus |
| JPS58190742A (ja) * | 1982-04-30 | 1983-11-07 | Matsushita Electric Works Ltd | 湿度検出方式 |
-
1985
- 1985-04-11 JP JP60078175A patent/JPS61235737A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5347845A (en) * | 1976-10-13 | 1978-04-28 | Fujitsu Ltd | Material glass for glass fiber for optical transmission |
| JPS5398317A (en) * | 1977-02-09 | 1978-08-28 | Fujitsu Ltd | Method of manufacturing glass containing phosphorus |
| JPS58190742A (ja) * | 1982-04-30 | 1983-11-07 | Matsushita Electric Works Ltd | 湿度検出方式 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001051068A (ja) * | 1999-08-17 | 2001-02-23 | Hightech Research Kk | 凍結検知センサおよびそのセンサ素子 |
| WO2020036723A1 (en) * | 2018-08-13 | 2020-02-20 | Hewlett-Packard Development Company, L.P. | Water content sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0531099B2 (enExample) | 1993-05-11 |
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