| Presentation | 1998/8/28 Tunable Mid-IR Difference Frequency Generation (DFG) in AgGaS_2 and AgGaSe_2 Clystals. S. Haidar, K. Nakamura, C. Takyu, H. Ito, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | In this report we inform the tunable mid-infrared generation from 5-12μm and 5-18μm in AgGaS_2 and AgGaSe_2 crystals, respectively, employing the nonlinear optical process of difference frequency generation (DFG). Signal and idler waves obtained from a Nd : YAG laser pumped LiNbO_3 optical parametric oscillator (OPO) output are mixed in either AgGaS_2 or AgGaSe_2 crystal and the difference between signal and idler frequencies is obtained as the output. For the efficient generation of difference frequency, unstable resonator was employed for the OPO to reduce the output beam divergence. Maximum difference frequency power obtained were, 98μJ/pulse and 380μJ/pulse for 1cm long AgGaS_2 and 2cm long AgGaSe_2 crystals, respectively, at around 7.5μm. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | AgGaS_2 / AgGaSe_2 / LiNbO_3 / DFG / OPO / unstable resonator |
| Paper # | EMD98-48,CPM98-96,OPE98-69,LQE98-63 |
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| Conference Information | |
| Committee | EMD |
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| Conference Date | 1998/8/28(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Electromechanical Devices (EMD) |
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| Language | ENG |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Tunable Mid-IR Difference Frequency Generation (DFG) in AgGaS_2 and AgGaSe_2 Clystals. |
| Sub Title (in English) | |
| Keyword(1) | AgGaS_2 |
| Keyword(2) | AgGaSe_2 |
| Keyword(3) | LiNbO_3 |
| Keyword(4) | DFG |
| Keyword(5) | OPO |
| Keyword(6) | unstable resonator |
| 1st Author's Name | S. Haidar |
| 1st Author's Affiliation | Research Institute of Electrical Communication (RIEC), Tohoku University() |
| 2nd Author's Name | K. Nakamura |
| 2nd Author's Affiliation | Research Institute of Electrical Communication (RIEC), Tohoku University |
| 3rd Author's Name | C. Takyu |
| 3rd Author's Affiliation | Research Institute of Electrical Communication (RIEC), Tohoku University |
| 4th Author's Name | H. Ito |
| 4th Author's Affiliation | Research Institute of Electrical Communication (RIEC), Tohoku University |
| Date | 1998/8/28 |
| Paper # | EMD98-48,CPM98-96,OPE98-69,LQE98-63 |
| Volume (vol) | vol.98 |
| Number (no) | 250 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |