Three-beam heterodyne interferometer
Abstract
The heterodyne technique has been applied to three-beam interference, and three interferometer arrangements are discussed. These arrangements are suitable for electronic measurement of optical phase. A three-beam heterodyne interferometer is demonstrated.
- Publication:
-
Optics Communications
- Pub Date:
- December 1985
- DOI:
- Bibcode:
- 1985OptCo..56..145K
- Keywords:
-
- Frequency Shift;
- Interference Grating;
- Interferometry;
- Light Beams;
- Optical Heterodyning;
- Phase Shift;
- Oscillographs;
- Refractivity;
- Thin Films;
- Instrumentation and Photography