Autor: |
Lee, Hee S., Will, David, Fenichel, Henry |
Zdroj: |
Applied Optics; December 1991, Vol. 30 Issue: 35 p5147-5151, 5p |
Abstrakt: |
A method for amplified reconstruction and noise reduction of a static low-intensity optical field by holography is suggested. The technique consists of a reduction of the reference beam intensity to that of the object field during the holographic exposure. The noise-reduced hologram obtained can then produce the amplified image with an increased reference beam. The technique is demonstrated by the detection of surface scratches on glass. |
Databáze: |
Supplemental Index |
Externí odkaz: |
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