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Investigation of spectral bandwidth of optical parametric amplification

机译:光参量放大的光谱带宽研究

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摘要

The spectral bandwidth of three-wave-mixing optical parametric amplification has been investigated. A general mathematical model for evaluating the spectral bandwidth of optical parametric amplification is developed with parametric bandwidth and gain bandwidth via three-wave noncollinear interactions. The spectral bandwidth is determined by expanding the wave-vector mismatch in a Taylor series and retaining terms through second order. The model takes into account the effects of crystal length, noncollinear angle, group velocity, group-velocity dispersion and gain coefficient. The relation between parametric bandwidth and gain bandwidth is clearly defined. The model is applied to a BBO OPA, a LBO OPA and a CLBO OPA.
机译:研究了三波混频光参量放大的光谱带宽。通过三波非共线相互作用,建立了具有参量带宽和增益带宽的用于评估光参量放大光谱带宽的通用数学模型。通过扩展泰勒级数中的波矢量不匹配并保留项到二阶来确定频谱带宽。该模型考虑了晶体长度,非共线角,群速度,群速度色散和增益系数的影响。明确定义了参数带宽和增益带宽之间的关系。该模型应用于BBO OPA,LBO OPA和CLBO OPA。

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