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PASSIVELY MODE-LOCKED FIBRE PULSED RING LASER (VERSIONS)

机译:被动锁模光纤脉冲环形激光器(版本)

摘要

FIELD: physics.SUBSTANCE: passively mode-locked fibre pulsed ring laser comprises optically coupled pumping radiation source, fibre ring resonator having an amplifying fibre, a fibre spectral information module, a polarisation-dependent splitter, a polarisation-dependent insulator, first and second fibre ends which do not reflect laser radiation back to the fibre. First and second collimators are placed between the fibre ends. All fibre elements of the resonator support radiation polarisation. Between the collimators there are two radiation focusing optical elements, between which, at the laser radiation beam waist, there is an optical element with Kerr-type nonlinearity, having thickness greater than 0.5 mm with laser radiation transmitting surfaces, having an angle of inclination to the laser resonator axis of not less than 1 degree.EFFECT: enabling generation of short-pulse radiation with a low noise level in a wide spectral range.34 cl, 5 dwg
机译:领域:物理领域:被动锁模光纤脉冲环形激光器包括光耦合泵浦辐射源,具有放大光纤的光纤环形谐振器,光纤光谱信息模块,偏振相关的分束器,偏振相关的绝缘体,第一和第二光纤末端,不会将激光辐射反射回光纤。第一和第二准直器放置在光纤末端之间。谐振器的所有光纤元件都支持辐射偏振。在准直器之间有两个辐射聚焦光学元件,在它们之间,在激光辐射束腰处,存在具有Kerr型非线性的光学元件,其厚度大于0.5 mm,并且具有激光辐射透射表面,并且具有一个倾斜角度。激光谐振器轴不小于1度效果:能够在宽光谱范围内产生低噪声水平的短脉冲辐射34 cl,5 dwg

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