These models were used to reconstruct the phase-space data in phantom surface for photon beams under any irradiated conditions.
应用这些模型，重建各种照射条件下模体表面相空间数据。
Two-photon resonant NFWM is a Doppler-free spectroscopy by using the narrow bandwidth of incident laser beams.
当用窄带宽的激光时，该技术对里德堡能级的窄光谱结构可以获得消多普勒的分辨率。
The modulational instability of one-dimensional broad optical beams in biased two-photon centrosymmetric photorefractive crystals under steady-state conditions has been investigated.
研究了稳态情况下一维宽光束在有偏压双光子中心对称光折变晶体中的调制不稳定性。
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