sppc 中文意思是什麼

sppc 解釋
上海浦東生產力促進中心
  1. Experimental results are reported on temporal instability of phase - conjugate beam in a self - pumped ce : batio3 phase conjugator at 532nm. dark decay behaviors of sppc gratings in ce : batio3 are studied, for the first time to our knowledge, by measuring the decay of sppc reflectivities at 532nm and 790nm wavelengths at room temperature

    首次在實驗和理論上研究了自泵浦位相共軛光柵暗衰減的特性，與以往一深一淺兩個陷阱能級參與光折變過程不同的是，發現了兩個深陷阱能級同時參與了自泵浦位相共軛光柵的建立。
  2. The efficient sppc had been performed with 1 - hz - repetition - rate 532nm nanosecond pulses, in which phase conjugate reflectivity as high as 21. 5 % was obtained. when sppc were operated in ce : batio3 with 532nm, 632. 8nm and 790nm cw lasers, the maximum sppc reflectivity of 54. 1 %, 88. 2 % and 80. 5 % were obtained, respectively. unlike the results reported before that four - wave mixing by stimulated photorefractive backscattering ( spb - fwm ) only exists at short wavelengths while four - wave mixing by total internal reflection ( tir - fwm ) only exists at long wavelengths, both of these two mechanisms coexist at all wavelengths from 532nm to 790nm in our experiments

    通過大量的實驗全面研究了ce ： batio _ 3自泵浦位相共軛特性：在低重復頻率（ 1hz ） 、 532nm調q激光泵浦時最高獲得了21 . 5的位相共軛反射率，而此前報道過的建立位相共軛脈沖光最低重復頻率是10hz ；實驗中發現在532nm 790nm波長范圍內，在不同的波長激光泵浦時，同時存在兩種自泵浦位相共軛機制：全內反射?四波混頻（ tir - fwm ）和受激背向散射?四波混頻（ spb - fwm ） ；在連續激光泵浦時，對532nm 、 632 . 8nm和790nm三種波長，最高分別獲得了54 . 1 、 88 . 2和80 . 5的位相共軛反射率；同時還研究了自泵浦位相共軛光的時間穩定性。
  3. The relationship between the incident angle and the self - pumped phase - conjugate ( sppc ) reflectivity in cu : knsbn is studied

    從實驗上觀察了不同摻雜量的cr ： sbn晶體的四波混頻相位共軛特性。
  4. In order to improve the existing pr adaptive optical heterodyne detection system ( praohds ), a new praohds is proposed based on sppc and mppc coexistence. the experimental study of the system is completed by equal amplitude ar + laser beams, poorly coherent equal amplitude solid - state laser beams and high speed amplitude - modulated solid - state laser beams through distorting media. experimental results indicate that the new system is applicable

    為了改進現有的光折變自適應光外差探測系統（ praohds ） ，本文利用sppc和mppc同時共存的特性，提出了一種新型的praohds ，並利用ar ~ +等幅激光、相干性較差的固體等幅激光以及固體高速振幅調制激光對新系統進行了畸變光束的自適應光外差探測實驗研究，結果證明了新系統在實際應用中的可行性。
  5. Shanghai potential paper co., ltd. ( sppc ) was established in shanghai by the us based potential group which owns 95 % of the sino - us joint venture ( jv )

    潛利工業有限公司於2004年在上海成立，注冊資本為5 ， 388萬美元，總投資額達1 . 6億美元，工廠佔地面積近375畝，公司性質是中美合資企業，美方占股為95 。
  6. Based on analysis and research, many experiments were done. they include : ( 1 ) self - pumped phase conjugation ( sppc ) in ce : batio3 with 532nm nanosecond pulse operated at either a 1 - or 10 - hz repetition rate. ( 2 ) sppc operated in ce : batio3 with 532nm continuous wave, especially concentrated on the self - pulsation phenomenon

    在此基礎上對不同波長入射、連續及脈沖情況時晶體自泵浦位相共軛特性進行了深入的實驗研究，它們包括： （ 1 ） 532nm脈沖重復率f = 1hz 、 10hz時ce ： batio _ 3位相共軛特性實驗。
  7. Sppc grating at 790nm mainly attributes to the charge grating in ce - ion deep trap while the fe - ion deep trap contributes more at 532nm wavelength than that at 790nm

    利用該模型分析認為： 790nm激光泵浦時位相共軛光柵主要依賴ce離子深能級，而532nm激光泵浦時fe離子深能級的貢獻比在790nm時大。
  8. Signaling point access - prohibited sppc

    信令點接入禁止
  9. Sppc has registered capital of us $ 54 million with a total investment of us $ 160 million

    這是其母公司? ?美國潛力集團在中國投資成立的第五家企業。
  10. The dependence is obtained experimentally of the output properties of sppc and mppc coexistence on pump parameters of both the pump beams

    通過實驗得出了sppc和mppc共存時的相位共軛輸出特性對二束泵浦光的泵浦參數的依賴關系。
  11. The characteristics of competition and coexistence of self - pumped phase conjugation ( sppc ) and mutually pumped phase conjugation ( mppc ) in the photorefractive ( pr ) crystal are studied, with the physical mechanism analyzed

    本文研究了光折變晶體內自泵浦相位共軛（ sppc ）與互泵浦相位共軛（ mppc ）相互競爭、同時共存的特性，分析了其物理形成機制。
  12. 4. when sppc operated in ce : batio3 with 532nm continuous wave, the phase conjugate reflectivity was measured as a function of incident angle, incident spot dimension, incident position in the crystal and incident power

    對連續532urn激光入射下， ce ： batio3晶體的位相共軛特性進行大量實驗研，究，討論了位相共軛反射率與晶體上激光入射角、激光在晶體上入射位置。
  13. 5. experiment about researches on sppc totally internal reflection mechanism were done when ce : batio3 is performed in cw titanium laser at 790nm wavelength. we compared the grating decay of tir mechanism with that of spb - fwm mechanism

    並且進行了位相共軛光柵存儲實驗，實驗中發現790urn時位相共軛光柵的衰減要比532urn時慢得多，這可能與位相共軛建立機制不同有關。
  14. Photorefractive phase conjugation, which is one of the most important methods for producing phase conjugation wave, is of potential use in many fields due to its low build - up threshold, high fidelity and high damage threshold, etc. in this thesis, we present a complete research to the characteristics and applications of ce : bati03 self - pumped phase conjugation ( sppc )

    光折變位相共軛具有建立閾值低、保真度高和大損傷閾值等優點，因而具有廣泛的用途。在本論文中，我們針對ce ： batio _ 3晶體光折變自泵浦位相共軛器的特性和應用做了全面深入的研究。
  15. ( 3 ) sppc operated in ce : bati03 with 790nm continuous wave, especially concentrated on the different grating decay between tir and spb - fwm. ( 4 ) sppc operated in 632. 8nm continuous wave, especially concentrated on comparing the experiment results with the theoretical results

    （ 4 ）對連續632 . 8nm時位相共軛反射率與入射角度及入射位置關系的理論及實驗曲線進行比較，得到實驗與理論較為符合的結果。
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