書誌事項
- タイトル別名
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- A LD-Bar End-Pumped Nd: S-VAP Laser with a Multiple Reflection Beam Shaper
- タジュウ ハンシャ ビーム セイケイ コウガクケイ オ モチイタ LD-bar
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We developed an optical system that transforms a one-dimensional emission pattern of a 1-cm LD-bar into a two-dimensional spot size suitable of longitudinally pumping a solid-state laser with an excellent mode coupling efficiency. The LD-bar beams are collimated by a rod lens and a lens array in the direction perpendicular and transverse to the diode junction plane, respectively. A multiple reflection beam shaper is placed after the lens array to rearrange the entire beam profile from the linear to almost square. An aspheric condenser lens then produces a focused spot of _??_390μm x 220μm. We applied this shaped diode laser beam to pump a Nd: S-VAP laser. The optical distortion induced with thermal loading increases diffraction loss in the cavity. Significant decrease of the output laser power was observed as increasing the thermal load, together with the distortion in the output beam pattern.
収録刊行物
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- 電気学会論文誌C(電子・情報・システム部門誌)
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電気学会論文誌C(電子・情報・システム部門誌) 117 (4), 384-393, 1997
一般社団法人 電気学会
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詳細情報 詳細情報について
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- CRID
- 1390282679584450304
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- NII論文ID
- 10002809843
- 130006843644
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- NII書誌ID
- AN10065950
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- ISSN
- 13488155
- 03854221
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- NDL書誌ID
- 4171887
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