Paper
24 May 1999 Cavity design of laterally coupled all-solid state laser arrays with Talbot effect
Yuko Kono, Masahiro Takeoka, Atsushi Uchida, Fumihiko Kannari
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Abstract
Brighter far-field pattern of a phase-locked Nd:YAG microchip laser array was obtained by the Talbot effect in a three-mirror cavity. The laterally coupled Nd:YAG microchip laser array produced a pair of spots with sharper peaks with an angular separation of (lambda) /d in its far-field, where d is the distance between the adjacent sources, indicating an out-of-phase spatial mode coupling was improved. The far- field spot size is reduced by a factor of 9.3 compared with that obtained by incoherent pile of the individual microchip laser outputs. We demonstrated that the far-field pattern is improved by enhancing the self-imaging with side mirrors which make the array source disguise an infinity. A mode selecting slit placed right after the crystal is also effective to stabilize the out-of-phase mode.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yuko Kono, Masahiro Takeoka, Atsushi Uchida, and Fumihiko Kannari "Cavity design of laterally coupled all-solid state laser arrays with Talbot effect", Proc. SPIE 3611, Laser Resonators II, (24 May 1999); https://doi.org/10.1117/12.349245
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KEYWORDS
Mirrors

Nd:YAG lasers

Crystals

Diffraction

Solid state lasers

Semiconductor lasers

Diode pumped solid state lasers

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