GB2262361B - A method of producing a light beam having a wavelength spectrum with the characteristics of an absorption spectrum of a molecular species or mixture - Google Patents
A method of producing a light beam having a wavelength spectrum with the characteristics of an absorption spectrum of a molecular species or mixtureInfo
- Publication number
- GB2262361B GB2262361B GB9226041A GB9226041A GB2262361B GB 2262361 B GB2262361 B GB 2262361B GB 9226041 A GB9226041 A GB 9226041A GB 9226041 A GB9226041 A GB 9226041A GB 2262361 B GB2262361 B GB 2262361B
- Authority
- GB
- United Kingdom
- Prior art keywords
- mixture
- producing
- light beam
- spectrum
- molecular species
- 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
- 238000000862 absorption spectrum Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000000203 mixture Substances 0.000 title 1
- 238000001228 spectrum Methods 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/12—Generating the spectrum; Monochromators
- G01J3/1256—Generating the spectrum; Monochromators using acousto-optic tunable filter
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/10—Arrangements of light sources specially adapted for spectrometry or colorimetry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/12—Generating the spectrum; Monochromators
- G01J3/18—Generating the spectrum; Monochromators using diffraction elements, e.g. grating
-
- 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
- G01N21/3103—Atomic absorption analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/12—Generating the spectrum; Monochromators
- G01J2003/1226—Interference filters
- G01J2003/1252—Using "resonance cell", e.g. Na vapor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (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)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9508841A GB2287098B (en) | 1992-12-14 | 1992-12-14 | Optically sensing gaseous molecular species |
GB9226041A GB2262361B (en) | 1991-12-13 | 1992-12-14 | A method of producing a light beam having a wavelength spectrum with the characteristics of an absorption spectrum of a molecular species or mixture |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB919126549A GB9126549D0 (en) | 1991-12-13 | 1991-12-13 | Sources of molecular radiation |
GB9226041A GB2262361B (en) | 1991-12-13 | 1992-12-14 | A method of producing a light beam having a wavelength spectrum with the characteristics of an absorption spectrum of a molecular species or mixture |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9226041D0 GB9226041D0 (en) | 1993-02-10 |
GB2262361A GB2262361A (en) | 1993-06-16 |
GB2262361B true GB2262361B (en) | 1996-07-03 |
Family
ID=26300004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9226041A Expired - Fee Related GB2262361B (en) | 1991-12-13 | 1992-12-14 | A method of producing a light beam having a wavelength spectrum with the characteristics of an absorption spectrum of a molecular species or mixture |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2262361B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2287098B (en) * | 1992-12-14 | 1996-06-19 | Coal Ind | Optically sensing gaseous molecular species |
GB2286041B (en) * | 1994-01-20 | 1998-04-08 | Marconi Gec Ltd | High resolution infrared spectroscope |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB874462A (en) * | 1959-05-21 | 1961-08-10 | Ass Elect Ind | Improvements relating to diffraction gratings |
US3558216A (en) * | 1968-09-25 | 1971-01-26 | Agency Ind Science Techn | Polyethylene diffraction grafting and method of manufacture thereof |
US3741648A (en) * | 1971-07-16 | 1973-06-26 | Us Air Force | Acoustic beam splitter for infrared lasers |
GB2017331A (en) * | 1978-02-09 | 1979-10-03 | Nippon Electric Co | Method of producing dielectric diffraction gratings |
WO1985004985A2 (en) * | 1984-04-23 | 1985-11-07 | American Telephone & Telegraph Company | Devices formed and processes utilizing organic materials |
-
1992
- 1992-12-14 GB GB9226041A patent/GB2262361B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB874462A (en) * | 1959-05-21 | 1961-08-10 | Ass Elect Ind | Improvements relating to diffraction gratings |
US3558216A (en) * | 1968-09-25 | 1971-01-26 | Agency Ind Science Techn | Polyethylene diffraction grafting and method of manufacture thereof |
US3741648A (en) * | 1971-07-16 | 1973-06-26 | Us Air Force | Acoustic beam splitter for infrared lasers |
GB2017331A (en) * | 1978-02-09 | 1979-10-03 | Nippon Electric Co | Method of producing dielectric diffraction gratings |
WO1985004985A2 (en) * | 1984-04-23 | 1985-11-07 | American Telephone & Telegraph Company | Devices formed and processes utilizing organic materials |
Also Published As
Publication number | Publication date |
---|---|
GB9226041D0 (en) | 1993-02-10 |
GB2262361A (en) | 1993-06-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19991214 |