Hariharan, P and Ramprasad, BS (1972) Simplified optical system for holographic subtraction. In: Journal of Physics E: Scientific Instruments, 5 (10). pp. 976-978.
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Official URL: http://iopscience.iop.org/0022-3735/5/10/013
Abstract
Subtraction of one complex spatial function from another can be accomplished holographically by shifting the phase of the reference beam by pi between the two exposures. A simple and reliable system for this purpose, which makes use of the fact that the beam from a gas laser is usually plane-polarized, is described, and its application to obtain the equivalent of a dark field with the frozen-fringe technique in holographic interferometry is demonstrated.
| Item Type: | Journal Article |
|---|---|
| Additional Information: | Copyright of this article belongs to Institute of Physics. |
| Department/Centre: | Others |
| Date Deposited: | 22 Jun 2010 08:47 |
| Last Modified: | 19 Sep 2010 06:09 |
| URI: | http://eprints.iisc.ernet.in/id/eprint/28597 |
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