GB795170A - Interferometer - Google Patents
InterferometerInfo
- Publication number
- GB795170A GB795170A GB38940/56A GB3894056A GB795170A GB 795170 A GB795170 A GB 795170A GB 38940/56 A GB38940/56 A GB 38940/56A GB 3894056 A GB3894056 A GB 3894056A GB 795170 A GB795170 A GB 795170A
- Authority
- GB
- United Kingdom
- Prior art keywords
- filter
- light
- receiver
- interferometer
- interference
- 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
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
- G01N21/45—Refractivity; Phase-affecting properties, e.g. optical path length using interferometric methods; using Schlieren methods
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)
Abstract
795,170. Interferometers. ZEISS-STIFTUNG, C., trading as ZEISS, C. '[Firm of].]. Dec. 21, 1956 [Jan. 10, 1956], No. 38940/56. Class 97(1) To make the interference band of zero order more visible against adjacent fringes in an interferometer using white light, in the ray path is placed a filter of such spectral transmission that the product of the spectral energy of the light source, the spectral sensitivity of the receiver and the spectral transmission of the filter for each wavelength in as wide a range of wavelengths as possible is at least approximately independent of the wavelength of the light. Thus where the receiver is the human eye the filter reduces the intensity of the light in the middle range of the visible spectrum and where the receiver is blue or red sensitive such as a photographic emulsion or a thermo-element light of these wavelengths is reduced. Fig. 1 shows an interferometer for determining the concentration of a gas in which the interference fringes are focused by a lens 9 on a scale 10 viewed through an eyepiece 15, an appropriate filter 21, such as an absorption or interference filter, being located before the light source 1.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE795170X | 1956-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB795170A true GB795170A (en) | 1958-05-21 |
Family
ID=6710678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB38940/56A Expired GB795170A (en) | 1956-01-10 | 1956-12-21 | Interferometer |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB795170A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1157405B (en) * | 1961-01-25 | 1963-11-14 | Baird Atomic Inc | Grating spectroscopic device |
-
1956
- 1956-12-21 GB GB38940/56A patent/GB795170A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1157405B (en) * | 1961-01-25 | 1963-11-14 | Baird Atomic Inc | Grating spectroscopic device |
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