Noise suppression in photorefractive image amplifiers
We propose and experimentally demonstrate a simple technique capable of significantly enhancing the signal-to-noise ratio of photorefractive amplifiers. The optical noise due to amplified scattered light and multiple interface reflections is removed by performing two-wave mixing in off-axis-rotating...
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| Veröffentlicht in: | Optics letters 1989-11, Vol.14 (22), p.1275-1277 |
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| container_end_page | 1277 |
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| container_issue | 22 |
| container_start_page | 1275 |
| container_title | Optics letters |
| container_volume | 14 |
| creator | RAJBENBACH, H DELBOULBE, A HUIGNARD, J. P |
| description | We propose and experimentally demonstrate a simple technique capable of significantly enhancing the signal-to-noise ratio of photorefractive amplifiers. The optical noise due to amplified scattered light and multiple interface reflections is removed by performing two-wave mixing in off-axis-rotating BaTiO(3) and Bi(12)SiO(20) crystals. A 20-fold improvement of the signal-to-noise ratio is achieved, and virtually noise-free image amplifiers are demonstrated. |
| doi_str_mv | 10.1364/OL.14.001275 |
| format | Article |
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P</creatorcontrib><title>Noise suppression in photorefractive image amplifiers</title><title>Optics letters</title><addtitle>Opt Lett</addtitle><description>We propose and experimentally demonstrate a simple technique capable of significantly enhancing the signal-to-noise ratio of photorefractive amplifiers. The optical noise due to amplified scattered light and multiple interface reflections is removed by performing two-wave mixing in off-axis-rotating BaTiO(3) and Bi(12)SiO(20) crystals. 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| fulltext | fulltext |
| identifier | ISSN: 0146-9592 |
| ispartof | Optics letters, 1989-11, Vol.14 (22), p.1275-1277 |
| issn | 0146-9592 1539-4794 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_734051882 |
| source | Optica Publishing Group Journals |
| subjects | Exact sciences and technology Fundamental areas of phenomenology (including applications) Imaging and optical processing Optics Physics |
| title | Noise suppression in photorefractive image amplifiers |
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