Optical parametric oscillation excited by an incoherent conical beam

被引：35

作者：

Piskarskas, A ^{[1
]}

Smilgevicius, V ^{[1
]}

Stabinis, A ^{[1
]}

机构：

[1] VILNIUS STATE UNIV,LASER RES CTR,LT-2040 VILNIUS,LITHUANIA

来源：

OPTICS COMMUNICATIONS | 1997年 / 143卷 / 1-3期

关键词：

D O I：

10.1016/S0030-4018(97)00273-3

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The operation of a KTP optical parametric oscillator pumped by an incoherent conical beam is demonstrated for the first time. The incoherent conical beam was produced by nonaxial excitation of a multimode fiber. It is shown that the OPO output radiation pattern in the far field consists of a coherent central spot (signal) and an incoherent ring (idler). The incoherence of the pump was transferred to the idler wave in accordance with theoretical predictions. By adjusting the OPO cavity mirrors, the lowest-order mode as well as higher-order transverse modes were easily selected in the central spot. (C) 1997 Elsevier Science B.V.

引用

页码：72 / 74

页数：3

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