Influence of Temperature Phase Grating Relaxation Times on the Lasing Characteristics of Q-Switched and Mode-Locked Nd:YAG Laser-Pumped Distributed Feedback Dye Lasers
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- KHAN Nasrullah
- Department of Electrical and Electronic Engineering Faculty of Engineering, University Putra Malaysia
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- MARIUN Norman
- Department of Electrical and Electronic Engineering Faculty of Engineering, University Putra Malaysia
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This work presents a theoretical explanation and experimental evidence of pulses- intensity displacement and pulse- broadening profiles of a Q-switched and mode-locked Nd:YAG laser- pumped distributed feedback dye laser (DFDL). Experimental results followed by a theoretical simulation indicate that DFDL pulses peaked noticeably later than their corresponding Nd:YAG laser pulses. The DFDL pulse corresponding to the peak- power pump laser pulse occurs few pulses later than the expected location. The observed and simulated delays were found to depend upon the inter-pulse periods of the pumping Q-switched and mode-locked laser. We report the theoretical basis for the influence of temperature grating relaxation times on the dye laser's pulse characteristics, and apply the transient grating technique to measure the refractive index of a lasing dye solution. Results indicate that the thermal effects of preceding pulses integrate the gain for receding pulses. These results provide a good understanding of temperature grating relaxation times and their impact on the lasing characteristics of DFDL.
収録刊行物
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- レーザー研究
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レーザー研究 32 (4), 277-281, 2004
一般社団法人 レーザー学会
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詳細情報 詳細情報について
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- CRID
- 1390001204646067584
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- NII論文ID
- 130004465520
- 10012854347
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- NII書誌ID
- AN00255326
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- COI
- 1:CAS:528:DC%2BD2cXlsFGjsbw%3D
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- ISSN
- 13496603
- 03870200
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- NDL書誌ID
- 6925118
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
