GB868357A - Improvements relating to radiation comparison systems - Google Patents
Improvements relating to radiation comparison systemsInfo
- Publication number
- GB868357A GB868357A GB5088/60A GB508860A GB868357A GB 868357 A GB868357 A GB 868357A GB 5088/60 A GB5088/60 A GB 5088/60A GB 508860 A GB508860 A GB 508860A GB 868357 A GB868357 A GB 868357A
- Authority
- GB
- United Kingdom
- Prior art keywords
- focus
- mirror
- ellipsoid
- housing
- radiation
- 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
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
- G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
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)
- Spectrometry And Color Measurement (AREA)
Abstract
868,357. Comparison systems. PERKINELMER CORPORATION. Feb. 12, 1960 [Feb. 19, 1959], No. 5088/60. Class 97(1) A radiation comparison system has part of the optical path for the sample beam extending from a focus of an ellipsoid to a reflector on the surface of said ellipsoid and from there to the second focus at which the object may be placed; the path then continues to a second elliptical reflector having at least the same second focus as the first, both reflectors being arranged so that they are not intersected by either major axis. In the system shown a reference beam of radiation 10 and a sample beam 12 are emitted from a source 14 and enter a monochromator housing 16. Before beam 12 enters said housing it is reflected by a plane mirror 18 and focused on to a second plane mirror 20 placed at a focus of an ellipsoid 22 on the surface of which two mirrors 24, 28 are placed. The light passes from mirror 20 via mirror 24 to the second focus of the ellipsoid, at which a sample 26 is placed, and from there to mirror 28. It is then reflected by a second reflecting surface on mirror 18 to the housing 16.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US868357XA | 1959-02-19 | 1959-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB868357A true GB868357A (en) | 1961-05-17 |
Family
ID=22201228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5088/60A Expired GB868357A (en) | 1959-02-19 | 1960-02-12 | Improvements relating to radiation comparison systems |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB868357A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2415251A (en) * | 2004-06-17 | 2005-12-21 | Otsuka Denshi Kk | A bifocal optical element with different focal lengths in two directions for use in gas cell spectrometry measurements |
-
1960
- 1960-02-12 GB GB5088/60A patent/GB868357A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2415251A (en) * | 2004-06-17 | 2005-12-21 | Otsuka Denshi Kk | A bifocal optical element with different focal lengths in two directions for use in gas cell spectrometry measurements |
| US7251035B2 (en) | 2004-06-17 | 2007-07-31 | Otsuka Electronics Co., Ltd. | Optical cell measurement apparatus |
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