phase wavelength 中文意思是什麼

phase wavelength 解釋
相波長
  • phase : n 1 形勢,局面,狀態;階級。2 方面,側面。3 【天文學】(月等的)變相,盈虧;【物、天】相,周相,...
  • wavelength : 【無線電】波長。
  1. If one wants to retrive the encryping datable or she must know the phase keys and wavelength keys simultaniously, otherwise, the reconstructed data will be white noise like

    要想得到存儲信息必須同時知道相位匙和波長匙,否則得到的數據將是一白噪聲系列。
  2. The one - half wavelength out of phase caused by the specimen itself enables this light to cause destructive interference with the direct light when both arrive at the intermediate image plane at the diaphragm of the eyepiece

    這種由標本產生的半個波長的相位差的光線與直射光同時到達位於目鏡光欄的中間像面時會產生相消的干涉。
  3. The phase - shifting interference is a osculant and high precision technology base on the wavelength. because of the different size of object being measured leading to different size of interference wave which brings on asymmetry of the interference wave ineluctably we adopt the zoom lens to improve the measurement precision. considering the interferometer ’ s sensitivity to the vibration the interferometer is often used in the lab which restricts it being used widely

    移相干涉術是以光波波長為單位的非接觸式高精度測量技術,為了使大小各異的被測元件產生的干涉條紋尺寸大小一致而引入了變焦鏡頭,從而不可避免地導致干涉條紋亮暗不均勻和照度改變的問題,最終影響測量精度。
  4. In - phase wavelength conversion in semiconductor optical amplifier in critical lasing state

    基於半導體光放大器臨界激射狀態的同相波長轉換
  5. According to this, the phase - matching conditions, effective nonlinear coefficients, acceptances of angle and wavelength for biaxial " crystals have been discussed in detail. thermal lens effect is an important factor which affects the quality of laser beam and the amount of output power

    實驗上,採用了雙軸晶體lbo作為倍頻晶體,因此對雙軸晶體相位匹配、有效非線性系數的計算、允許角、允許波長給出了較完整的分析。
  6. The short - baseline interferometer ’ s angle measurement accuracy is influenced by phase difference measuring accuracy, the base length measuring accuracy, the system operating wavelength ( frequency ) and so on, the article analyzes the existing theory, and emphatically analyzes the influence of base length measuring accuracy to the precision of angle measurement

    短基線干涉儀測角精度受相位差測量精度、基線長度測量精度、系統工作波長(頻率)測量精度等因素的影響,文中,在對原有理論進行分析的基礎上著重分析了基線長度測量精度對系統角度測量精度的影響。
  7. But up to now, none of them are commercially available. among these technologies, wavelength converters based on cross - gain modulation, cross - phase modulation and four - wave mixing in semiconductor optical amplifier is the mainstream of research

    其中,基於半導體光放大器中的交叉增益調制、交叉相位調制和四波混頻效應的波長轉換技術是研究的主流方向。
  8. At present, people usually use birefrigence and quasi - phase - matching methods to achieve higher effiency in the process of conversion. a significant advantage of quasi - phase - matching method is that the interaction is occurred through the largest element of the x ( 2 ) tensor ; the period of optical superlattice can be designed randomly, and any interaction can be matched without walk - off angle ; they are fitted to be used in frequency conversion of lower power especially. the quasi - phase - matching method has some advantages over birefrigence method, improving the efficiency of frequency conversion ; the range of frequency conversion covers its whole transperant wavelength

    由於準相位匹配技術有其獨特的優勢,可以利用非線性光學晶體的最大二階極化張量,如ppln 、 pplt 、 ppktp用的非線性極化張量都是d _ ( 33 ) ,其有效非線性系數高出普通非線性光學介質(如bbo 、 lbo 、 ktp )一個數量級,而且可以人為靈活設計調制周期,通過周期設計其頻率變換范圍可以覆蓋準相位匹配介質的整個透明波段,選擇無走離效應,解決了常規pm難以解決的問題,拓寬了非線性晶體的應用范圍,極大地提高了頻率轉換效率,已成為非線性光學材料和固體激光器的研究熱點之一。
  9. We can see from the formula 8 = ? 2 n d ( ne - n0 ) / x that the retardation will be independent on wavelength if the refraction indices have direct ratio to wavelength, then we will get the achromatic optical phase retarders

    根據關系式2 d ( n _ e - n _ o )可知,如果材料的雙折射率與波長成正比,延遲量便與波長無關,即可獲得消色差相位延遲器。
  10. A new accurate method for measuring the birefringence of muscovite mica has been reported in terms of the dispersion relations of the indices and the variety relations between the phase delay and the wavelength

    摘要根據雲母折射率的色散關系和相位延遲隨波長變化關系,給出了一種測量雙折射率比較精確的方法。
  11. Conventional optical phase retarders are mostly designed by birefringent material. the refractive indices depend on the wavelength so strongly that the retardation is close to wavelength, here we call this dependent relationship the birefringent dispersion of material. this is the reason why conventional optical phase retarders are mostly applied to a single wavelength but ca n ' t be used to varied wavelength, so they are inconvenient to handle

    常規的光相位延遲器是由雙折射材料製成的,由於材料的雙折射率同波長密切相關,使其產生的相位延遲量也同波長具有嚴格的一一對應關系(即材料的色散現象) ,因而常規相位延遲片多用於單一波長,不同波長之間使用不可兼顧,這在使用中帶來諸多的不便。
  12. Thus it is suited for generating new w avelength, especially in uv wavelength. we obtained the curves of the angle tuning, threshold and efficiency of clbo both in type - i and in type - ii phase matching ( pm ) in this paper, and compared to that of bbo

    論文完成了clbo晶體光參量振蕩在、類相位匹配時的角度調諧曲線,雙諧振、單諧振條件下的振蕩閾值及轉換效率曲線,並與bbo晶體進行了比較。
  13. Kc of each higher mode in ridge waveguide is a very important parameter, once kc is obtained, the wavelength, phase constant, phase velocity, waveguide wavelength, equivalent reactance, equivalent admittance and so on can be obtained simply. then ridge waveguide devices can be designed based on these paremeters. in view of the widely use of ridge waveguides, the research of kc is very important in practice

    由於脊波導中主模及各高次模的kc是一個很重要的參數,求出了kc ,可以很簡單地求出、相移常數,相速、波導波長、等效電抗、等效導納等等,求出這些參數后就可以用各種方法設計脊波導元器件了。
  14. The conclusions are as listed below : compared with absorption of fc16ab in chloroformon, the absorption peak of fcifrab in lb films shifted toward the shorter wavelength region, suggesting that some interaction among molecules due to the close molecular packing such as h - aggregates in the lb films. comparing uv - vis spectra of fc16ab in lb films deposited from cl - subphase with from aqueous subphase, this blue shift phenomenon of absorption demonstrated cl - made the compactness of fc16ab lb films increasing. ft - ir spectra of fc16ab in lb films at different temperature showed that there is a gradual disordering of alkyl chain from 27 ? to 200 ?, but no district phase transition appeared

    結論如下:紫外-可見光吸收光譜說明:與fc _ ( 16 ) ab氯仿溶液相比, lb膜的吸收光譜發生了藍移,這歸結于fc _ ( 16 ) ab發生了h -聚集以及抗衡離子可以使fc _ ( 16 ) ab的lb膜排列更緊密;變溫紅外光譜說明,隨著溫度升高, fc _ ( 16 ) ab的lb膜中烷基鏈的有序排布程度減弱,這表明該lb膜熱穩定性減弱,但在減弱的過程中沒有出安徽人學申請碩士學位論文摘要現相轉變。
  15. In the region of shorter wavelength ( r < 10nm ), measurement reflectivity is much lower than design reflectivity, so the making of high reflectivity multilayer mirrors is at the phase of exploring. the aim of the paper is to design and fabricate five mulitilayer mirrors in shorter wavelength of soft x ray region and makes up of soft x ray spectrometer which is applied to icf experiment

    本論文所完成的是在軟x射線短波段的五個波長處(最短波長為1 . 03nm ) ,研製具有實用反射率的軟x射線多層膜反射鏡,並應用於慣性約束核聚變( icf )實驗中的軟x光能譜測量。
  16. On the basis of this, the effective reflective index with the variation of the carrier density is discussed. this paper also analyzed the random facet phase and the length of the cavity ' s influence on threshold characteristic. especially, the wavelength tuning characteristics have been investigated in detail when one segment works as absorbed region

    在此基礎上,研究了每一段等效反射率譜曲線隨載流子濃度變化的情況;分析了邊界相位的不確定性以及激光器腔長對閾值特性的影響;重點討論了其中一段工作在吸收狀態下的波長調諧性質。
  17. With the phase - mask method, we make a fiber bragg grating in a few - mode fiber with the peaks at the wavelength around 1060nm. we have studied the temperature dependant characteristics of few - mode fiber bragg gratings theoretical and experimentally. the experimental result of fiber laser based on the few - mode fiber bragg grating is presented

    三、在少模光敏光纖中製作了一種波長在1 . 06 m波段的光纖bragg光柵,理論和實驗上給出了少模光纖光柵的溫度敏感特性,另外將其作為光纖激光器腔鏡進行激光選頻,給出了實驗結果。
  18. We have calculated the type - i and type - ii angle tuning curves of clbo according to the momentum and energy conversion laws, and the sellmeier equations of clbo. by comparing to that of bbo, we can see that the shortest wavelength of clbo is shorter than that of bbo both in type - i and type - ii phase - matching, especially in type - ii. from it we can see clbo is really a new kind of nlo crystal in opo

    從動量、能量守恆和clbo晶體的sellmeier色散方程出發,給出了clbo晶體、類相位匹配的角度調諧曲線,並與bbo晶體進行了比較,得到了在類相位匹配和類相位匹配情況下, clbo晶體的最短波長都比同等條件下的bbo短的結論,尤其在類相位匹配時性能更加優良。
  19. The dissertation focuses on the yb3 + - doped double clad fiber laser. the research works in detail are shown as follows : 1. with the phase - mask method, we make a fiber bragg grating in a few - mode fiber whose cut wavelength is greater than 1060nm

    本論文圍繞著摻yb3 +雙包層光纖激光器進行研究工作,報告了得到的科研成果,包括以下的內容: 1 .在截止波長高於1060nm的少量模光纖中用相位掩模法寫入布拉格光纖光柵,製作的布拉格光柵具有幾個透射峰。
  20. Such deviated light ( as you will subsequently learn, called diffracted light ) is rendered one - half wavelength or 180 degrees out of step ( more commonly, out of phase ) with the direct light that has passed through undeviated

    這種偏移光(其後我們稱之為衍射光)與直射光之間呈現半個波長或180的不同步(一般稱之為不同相位) 。
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