A coherent all-solid-state laser array using the Talbot effect in a three-mirror cavity

被引：47

作者：

Kono, Y ^{[1
]}

Takeoka, M ^{[1
]}

Uto, K ^{[1
]}

Uchida, A ^{[1
]}

Kannari, F ^{[1
]}

机构：

[1] Keio Univ, Fac Sci & Technol, Dept Elect Engn, Kanagawa 2238522, Japan

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 2000年 / 36卷 / 05期

关键词：

coherent laser array; LD-pumped solid-state laser; microchip laser; Talbot cavity; Talbot effect;

D O I：

10.1109/3.842103

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Lateral mode coupling in a diode-pumped Nd:YAG microchip laser array is demonstrated with a Talbot cavity for the first time. The relatively low laser gains of solid-state lasers compared with diode lasers and CO2 lasers, to which the Talbot cavity has already been applied successfully, are solved by employing a novel auxiliary Talbot cavity configuration. A brighter twin-peak far-field pattern indicating an out-of-phase array mode, whose spot is 9.3 times smaller than that obtained by incoherent superposition of the individual microchip laser outputs, is obtained from the phase-locked microchip laser array with a mode-selecting slit, Without the mode-selecting slit, a far-field pattern with a single narrow peak is obtained, showing that the array is locked in an in-phase mode, presumably because of multiple reflections in the auxiliary Talbot cavity.

引用

页码：607 / 614

页数：8

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