Photoacoustic method and apparatus for measuring intensity of electromagnetic radiation
US4187026A · kind A · utility
16Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1977 |
| Grant date | Feb 5, 1980 |
| Priority date | — |
| Expiry date | Sep 29, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J5/42
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Electromagnetic radiation is detected, using a photoacoustic cell employing a uniform absorber of radiation which absorbs independently of wavelength.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.