Method and apparatus of orthogonal polarization spectral microcirculation imaging 正交偏振光譜微循環(huán)成像方法及裝置
In the case of type ii down - conversion , the two down - converted photons have orthogonal polarizations 在第ii類下轉(zhuǎn)換情況下,這兩個下轉(zhuǎn)換光子是正交偏振的。
In order to increase the efficiency on using limited frequency resource , orthogonal polarization is normally adopted for frequency reuse , thus offering double bandwidth at the certain working band 為了充分利用有限的頻譜資源,衛(wèi)星通信采用正交極化頻率復(fù)用方式,在給定的工作頻段上提供雙倍的使用帶寬。
3 ) coupled higher - order nonlinear schr ( ? ) dinger equations ( chnlse ) , governing the evolution of two orthogonal polarization components of ultrashort optical pulse in birefringent fiber , are derived from the dispersion relation 3 )從色散關(guān)系出發(fā),推導(dǎo)了描述超短光脈沖不同偏振分量在雙折射光纖中傳輸特性的耦合高階非線性薛定諤方程( chnlse )與用多重尺度法得到的相同。
The influence of optical source chirp on femtosecond soliton interaction is studied numerically , and the unequal amplitude method can reduce the interaction . in addition high - order coupled equations governing the evolution of two orthogonal polarization components of the same wave are derived by using multi - dimension derivation expansion method of singular perturbation theory and the dispersion relation . furthermore , a class of optical solitary wave solutions , such as the bright - bright , dark - dark , bright - dark , and combined solitary waves are found under certain parametric conditions 數(shù)值研究了源啁啾飛秒孤子間相互作用,提出了抑制該作用的可能方案;用奇異攝動多重尺度導(dǎo)數(shù)展開法和色散關(guān)系推導(dǎo)了耦合高階非線性薛定諤方程( chnlse ) ,并用行波變換法得到了一系列孤波解析解,分析了它們在光纖中傳輸?shù)谋匾獥l件,也討論了它們的穩(wěn)定性,為實現(xiàn)飛秒光脈沖在光纖中的無畸變傳輸作理論上的探索。
2 ) based on the maxwell equations of nonlinear media , high - order coupled equations governing the evolution of two orthogonal polarization components of the same wave are derived by using multi - dimension derivation expansion method of singular perturbation theory , and the suitable application range is presented 2 )利用奇異攝動多重尺度導(dǎo)數(shù)展開法,從非線性介質(zhì)中的maxwell方程組出發(fā),導(dǎo)出了包含高階攝動項的同一光波不同偏振分量的耦合高階非線性薛定諤方程,并給出了其適用范圍。