分析得出：通过改变泵浦光的功率和光束口径，可以实现光谱的极大展宽并避免自聚焦成丝。
Results indicate that spectral super-broadening without self-focus can be achieved by adjusting the pump power and the beam diameter.
光折变空间光孤子是指当光折变材料的自聚焦效应与光束的衍射发散作用相平衡时，在介质内无衍射向前传播的光束。
Photorefractive (PR) spatial solitons form when the self-focusing of a light beam inside the PR material exactly balances the diffraction of the beam.
此设计方法可以对不同的材料(自聚焦、自散焦)、不同的非线性折射率和波长等进行波导全光开关优化设计。
It can be used to optimize the all optical switch design for different materials (self focus and defocus), nonlinear indices and wavelengths.
为了提高仪器探头的集光本领，在探头的端面处又粘一自聚焦透镜，从而可提高仪器的灵敏度以及测量精度。
In order to improve the sensor ability of collecting light, the authors add a self focus len on the to…
基于自聚焦误差检测和光路可逆原理，分析并实验证明了利用一种多功能全息透镜来测量类镜表面平整度的可行性。
A multifunctional holographic lens is presented based on autofocus error detection and the principle of reversibility of light. Its feasibility of the mirror-like surface is described.
该方案包括优化记录和重现光路，以及采用自聚焦透镜准直重现光波。
The scheme includes optimizing the recording and reconstruction geometries and collimating the reconstruction wave with a gradient-index lens.
该方案包括优化记录和重现光路，以及采用自聚焦透镜准直重现光波。
The scheme includes optimizing the recording and reconstruction geometries and collimating the reconstruction wave with a gradient-index lens.
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