| Presentation | 2012-01-27 Photonic-Crystal lasers for tight focal spot with long depth of focus Kyoko KITAMURA, Masaya NISHIMOTO, Kyosuke SAKAI, Susumu NODA, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Needle-like focused laser beams, which have small focal spot size and long depth of focus, could lead high-density optical memory, super-resolution microscopy, high-precision lithography with high-tolerance. We had demonstrated that the radially polarized beam which is emitted by a photonic-crystal laser can create a tight focal spot with long depth of focus by controlling the beam patterns from conventional doughnut shape beam to narrow-width ring (or halo) shape. In this report, we develop novel photonic-crystal lasers which can directly emit a radially-polarized halo shape beam and we successfully demonstrate that the output beam has a focusing property with long depth of focus under the high numerical aperture condition. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Photonic-crystal laser / Radially-polarized beam / Focusing properties |
| Paper # | PN2011-77,OPE2011-193,LQE2011-179,EST2011-127,MWP2011-95 |
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| Conference Information | |
| Committee | MWP |
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| Conference Date | 2012/1/19(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Microwave and Millimeter-wave Photonics (MWP) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Photonic-Crystal lasers for tight focal spot with long depth of focus |
| Sub Title (in English) | |
| Keyword(1) | Photonic-crystal laser |
| Keyword(2) | Radially-polarized beam |
| Keyword(3) | Focusing properties |
| 1st Author's Name | Kyoko KITAMURA |
| 1st Author's Affiliation | Graduate School of Engineering, Kyoto University() |
| 2nd Author's Name | Masaya NISHIMOTO |
| 2nd Author's Affiliation | Graduate School of Engineering, Kyoto University |
| 3rd Author's Name | Kyosuke SAKAI |
| 3rd Author's Affiliation | Currently with the Research Institute for Electronic Science, Hokkaido University |
| 4th Author's Name | Susumu NODA |
| 4th Author's Affiliation | Graduate School of Engineering, Kyoto University |
| Date | 2012-01-27 |
| Paper # | PN2011-77,OPE2011-193,LQE2011-179,EST2011-127,MWP2011-95 |
| Volume (vol) | vol.111 |
| Number (no) | 416 |
| Page | pp.pp.- |
| #Pages | 4 |
| Date of Issue | |