Apparatus for varying the path length of a beam of radiation
US7742172B2 · kind B2 · utility
2Cited by
11References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 18, 2003 |
| Grant date | Jun 22, 2010 |
| Priority date | — |
| Expiry date | Jul 3, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B17/023
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus for varying the path length of a beam of radiation, the apparatus comprising: an element (51) rotatably mounted about an axis, said element comprising two reflective surfaces in fixed relation to one another such that radiation may be reflected between said reflective surfaces and out of the element (51); and driving means (55) for rotatably oscillating said element about said axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.