GB896736A - Improvements in or relating to absorptiometers - Google Patents
Improvements in or relating to absorptiometersInfo
- Publication number
- GB896736A GB896736A GB2848557A GB2848557A GB896736A GB 896736 A GB896736 A GB 896736A GB 2848557 A GB2848557 A GB 2848557A GB 2848557 A GB2848557 A GB 2848557A GB 896736 A GB896736 A GB 896736A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sept
- thick
- germanium
- central layer
- absorptiometers
- 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
Links
- 229910052732 germanium Inorganic materials 0.000 abstract 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 abstract 2
- 229910001610 cryolite Inorganic materials 0.000 abstract 1
- 239000010445 mica Substances 0.000 abstract 1
- 229910052618 mica group Inorganic materials 0.000 abstract 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
-
- 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
- G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
-
- 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
- G01J2003/123—Indexed discrete filters
-
- 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
- G01J2003/1243—Pivoting IF or other position variation
-
- 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
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Photoreceptors In Electrophotography (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Abstract
896,736. Interference filters. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. Sept. 10, 1958 [Sept. 10, 1957], No. 28485/57. Drawings to Specification. Class 97(1). [Also in Group XL(b)] A narrow-band interference filter for use in the infra-red comprises a central layer of mica having on each side a layer of germanium followed by one of cryolite and then another of germanium. The two pairs of outer layers are #/4 thick (e.g. 0.6Á) and the central layer 40Á thick.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2848557A GB896736A (en) | 1957-09-10 | 1957-09-10 | Improvements in or relating to absorptiometers |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2848557A GB896736A (en) | 1957-09-10 | 1957-09-10 | Improvements in or relating to absorptiometers |
GB3530458A GB902732A (en) | 1958-11-04 | 1958-11-04 | Improvements in or relating to absorptiometers |
Publications (1)
Publication Number | Publication Date |
---|---|
GB896736A true GB896736A (en) | 1962-05-16 |
Family
ID=26259401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2848557A Expired GB896736A (en) | 1957-09-10 | 1957-09-10 | Improvements in or relating to absorptiometers |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB896736A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3523179A (en) * | 1969-03-27 | 1970-08-04 | Monsanto Co | Selective transmitter for infrared heaters |
US3940623A (en) * | 1973-07-20 | 1976-02-24 | Uranit, Uran-Isotopentrennungs-Gesellschaft M.B.H. | Apparatus for measuring the proportion or quantity of a component in a radiation-transparent mixture |
US4033699A (en) * | 1974-08-01 | 1977-07-05 | Atomic Energy Of Canada Limited | Vapor concentration monitor |
US4037970A (en) * | 1972-08-24 | 1977-07-26 | Neotec Corporation | Optical analyzer for agricultural products |
FR2553889A1 (en) * | 1983-10-22 | 1985-04-26 | Int Standard Electric Corp | DEVICE FOR DETECTING GAS, DIVE APPARATUS COMPRISING THE SAME, AND FILTER USED THEREIN |
FR2582097A1 (en) * | 1985-05-15 | 1986-11-21 | Icar Sa | Infrared gas analyser with a "solid-state" sensor and synchronous demodulation |
EP0278976A1 (en) * | 1986-08-27 | 1988-08-24 | The Australian National University | Method and apparatus for distinguishing photoluminescent and reflecting surfaces in forensic science applications |
US5731583A (en) * | 1996-02-23 | 1998-03-24 | Ohmeda Inc. | Folded optical path gas analyzer with cylindrical chopper |
EP1150106A1 (en) * | 2000-04-27 | 2001-10-31 | Krieg, Gunther, Prof.Dr.Ing. | Method and apparatus for precise quantitative material analysis in liquids, gases and solids |
-
1957
- 1957-09-10 GB GB2848557A patent/GB896736A/en not_active Expired
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3523179A (en) * | 1969-03-27 | 1970-08-04 | Monsanto Co | Selective transmitter for infrared heaters |
US4037970A (en) * | 1972-08-24 | 1977-07-26 | Neotec Corporation | Optical analyzer for agricultural products |
US3940623A (en) * | 1973-07-20 | 1976-02-24 | Uranit, Uran-Isotopentrennungs-Gesellschaft M.B.H. | Apparatus for measuring the proportion or quantity of a component in a radiation-transparent mixture |
US4033699A (en) * | 1974-08-01 | 1977-07-05 | Atomic Energy Of Canada Limited | Vapor concentration monitor |
FR2553889A1 (en) * | 1983-10-22 | 1985-04-26 | Int Standard Electric Corp | DEVICE FOR DETECTING GAS, DIVE APPARATUS COMPRISING THE SAME, AND FILTER USED THEREIN |
FR2582097A1 (en) * | 1985-05-15 | 1986-11-21 | Icar Sa | Infrared gas analyser with a "solid-state" sensor and synchronous demodulation |
EP0278976A1 (en) * | 1986-08-27 | 1988-08-24 | The Australian National University | Method and apparatus for distinguishing photoluminescent and reflecting surfaces in forensic science applications |
EP0278976A4 (en) * | 1986-08-27 | 1990-02-05 | Univ Australian | Method and apparatus for distinguishing photoluminescent and reflecting surfaces in forensic science applications. |
US5731583A (en) * | 1996-02-23 | 1998-03-24 | Ohmeda Inc. | Folded optical path gas analyzer with cylindrical chopper |
EP1150106A1 (en) * | 2000-04-27 | 2001-10-31 | Krieg, Gunther, Prof.Dr.Ing. | Method and apparatus for precise quantitative material analysis in liquids, gases and solids |
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