GB2262337B - Apparatus for sensing a gas by pressure modulation spectroscopy - Google Patents
Apparatus for sensing a gas by pressure modulation spectroscopyInfo
- Publication number
- GB2262337B GB2262337B GB9126093A GB9126093A GB2262337B GB 2262337 B GB2262337 B GB 2262337B GB 9126093 A GB9126093 A GB 9126093A GB 9126093 A GB9126093 A GB 9126093A GB 2262337 B GB2262337 B GB 2262337B
- Authority
- GB
- United Kingdom
- Prior art keywords
- sensing
- gas
- pressure modulation
- modulation spectroscopy
- spectroscopy
- 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
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
- G01N21/1717—Systems in which incident light is modified in accordance with the properties of the material investigated with a modulation of one or more physical properties of the sample during the optical investigation, e.g. electro-reflectance
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9126093A GB2262337B (en) | 1991-12-09 | 1991-12-09 | Apparatus for sensing a gas by pressure modulation spectroscopy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9126093A GB2262337B (en) | 1991-12-09 | 1991-12-09 | Apparatus for sensing a gas by pressure modulation spectroscopy |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB9126093D0 GB9126093D0 (en) | 1992-02-12 |
| GB2262337A GB2262337A (en) | 1993-06-16 |
| GB2262337B true GB2262337B (en) | 1996-03-06 |
Family
ID=10705921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9126093A Expired - Fee Related GB2262337B (en) | 1991-12-09 | 1991-12-09 | Apparatus for sensing a gas by pressure modulation spectroscopy |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2262337B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19880369C1 (en) * | 1997-03-25 | 2002-08-08 | Siemens Ag | Method and device for the non-invasive in vivo determination of blood substances |
| US6947781B2 (en) * | 2002-12-13 | 2005-09-20 | Massachusetts Institute Of Technology | Vibratory venous and arterial oximetry sensor |
| DE102004019008A1 (en) * | 2004-04-20 | 2005-11-24 | Dräger Safety AG & Co. KGaA | Gas sensor with increased measuring sensitivity |
| CN110763630A (en) * | 2018-07-25 | 2020-02-07 | 南京诺威尔光电系统有限公司 | Resonant photoacoustic spectroscopy detection system and method |
-
1991
- 1991-12-09 GB GB9126093A patent/GB2262337B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| GB9126093D0 (en) | 1992-02-12 |
| GB2262337A (en) | 1993-06-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19961209 |