| Presentation | 1997/10/14 Optically addressed phase-only spatial light modulator using parallel-aligned nematic liquid crystal Fanghong Li, N. Mukohzaka, N. Yoshida, Y. Igasaki, H. Toyoda, T. Inoue, Y. Kobayashi, T. Hara, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | An optically addressed parallel-aligned nematic-liquid-crystal spatial light modulator (PAL-SLM) has been studied as a dynamic phase-only light modulation device. Phase modulation characteristics of the PAL-SLM was investigated by analyzing diffraction efficiencies which were obtained from sinusoidal patterns and rectangular patterns written on the PAL-SLM The sinusoidal patterns were produced by Mach-Zehnder interferometer and rectangular patterns were produced by an LCTV. The experimental results agree well with a theoretical analysis. The highest first order diffraction efficiency of approximately 30% for a sinusoidal pattern and approximately 38% for a rectangular pattern were obtained, which are both close to the theoretical maximums, and a more than 2π phase-only modulation depth was achieved. The structure and principle of the device are also presented. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | spatial light modulator / liquid crystal / amorphous silicon / phase modulation / LCTV / diffraction efficiency |
| Paper # | LQE97-67-83 |
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| Conference Information | |
| Committee | LQE |
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| Conference Date | 1997/10/14(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Lasers and Quantum Electronics (LQE) |
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| Language | ENG |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Optically addressed phase-only spatial light modulator using parallel-aligned nematic liquid crystal |
| Sub Title (in English) | |
| Keyword(1) | spatial light modulator |
| Keyword(2) | liquid crystal |
| Keyword(3) | amorphous silicon |
| Keyword(4) | phase modulation |
| Keyword(5) | LCTV |
| Keyword(6) | diffraction efficiency |
| 1st Author's Name | Fanghong Li |
| 1st Author's Affiliation | State Key Laboratory of Modem Optical Instrumentation, Zhejiang University() |
| 2nd Author's Name | N. Mukohzaka |
| 2nd Author's Affiliation | Central Research Laboratory, Hamamatsu Photonics K.K. |
| 3rd Author's Name | N. Yoshida |
| 3rd Author's Affiliation | Central Research Laboratory, Hamamatsu Photonics K.K. |
| 4th Author's Name | Y. Igasaki |
| 4th Author's Affiliation | Central Research Laboratory, Hamamatsu Photonics K.K. |
| 5th Author's Name | H. Toyoda |
| 5th Author's Affiliation | Central Research Laboratory, Hamamatsu Photonics K.K. |
| 6th Author's Name | T. Inoue |
| 6th Author's Affiliation | Central Research Laboratory, Hamamatsu Photonics K.K. |
| 7th Author's Name | Y. Kobayashi |
| 7th Author's Affiliation | Central Research Laboratory, Hamamatsu Photonics K.K. |
| 8th Author's Name | T. Hara |
| 8th Author's Affiliation | Central Research Laboratory, Hamamatsu Photonics K.K. |
| Date | 1997/10/14 |
| Paper # | LQE97-67-83 |
| Volume (vol) | vol.97 |
| Number (no) | 313 |
| Page | pp.pp.- |
| #Pages | 5 |
| Date of Issue | |