cavity linewidth 中文意思是什麼
cavity linewidth
解釋
諧振譜線寬度-
Just below threshold, consistel1t to theoretical analysis, there are numbers of comb - like narrow linewidth lights due to resonating of ifltr8 - cavity ase light. novel experimental results of the erbium - doped - fiber ring resonator behaviors operating near threshold are reported in the chapter
首先理論分析了當有源環形腔無注入光，且有源光纖環形腔在閾值以下時，由有源腔內ase輸出光表現出的腔輸出特性。 -
The high - finesse cavity can be used to measure the laser linewidth due to its narrower cavity linewidth, with which the linewidth of dbr laser is measured as 1. 49mhz
由於高精細度腔窄線寬特點，它可用來測量激光線寬。實驗中用它測量dbr激光器線寬為1 . 49mhz 。 -
With the development of laser techniques, the optical cavity has played an important role on monitoring laser mode, measurement and narrowing of laser linewidth, laser mode cleaner, laser frequency stabilization, optical spectrum and cavity - qed etc., due to its advantages of ultra - low losses, high finesse and narrow linewidth
隨著激光技術的發展，諧振腔由於其腔內損耗小、精細度高、線寬窄等特點，使得其在監視激光模式、測量並壓窄激光線寬、激光模式清潔、激光穩頻、激光光譜學、腔量子電動力學等方面起到重要的作用。 -
Secondly, we propose and demonstrate experimentally a novel multi - wavelength erbium - doped fiber ring laser by using a mach - zehnder fiber interferometer and composite cavity. as a result, simultaneous multi - wavelength oscillations with narrow linewidth and equal wavelength span are obtained in room temperature. this device has advantageous of simple design fabrication and low cost et al
進一步，我們設計了一種新穎的多波長摻鉺光纖環形激光器，這種激光器是利用mach - zenhder （ m - z ）光纖型干涉儀作為梳狀濾波器，並且與復合腔共同選頻，獲得了窄線寬、等間隔的多波長同時輸出，這種激光器具有在常溫工作，結構簡單，成本低等優點。 -
Some factors related to the trap potential and heating rate are considered, such as the laser detuning, the changing of cavity length, laser power of trapping beam, and the linewidth of laser. 7 ) an ultra - high finesse micro - cavity is established in our lab
6 ）對超高精細度微腔內光學偶極阱進行了數值模擬，研究了光場失諧、腔長變化、功率、以及線寬等參數對腔內偶極阱的阱深以及加熱率的影響。 -
Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered
在此基礎上，給出了一整套bbo - opo激光參數設計方案：計算了不同泵浦強度下的參量放大倍數；詳細計算了在nd : yag調q激光器各次諧波泵浦條件下的共線類和類相位匹配的調諧曲線，以及非共線類相位匹配調諧曲線；分析了走離角對非線性系數和群速匹配的影響；計算了參量過程的允許角；計算了bbo - opo的理論閾值條件；分析了飽和與泵浦光束的消耗過程；給出了轉換效率與超過泵浦閾值的倍數的關系；討論了轉換效率與輸出鏡反射率的關系；討論了線寬控制的各種方法；研究了利用非穩腔改善光束質量的方法；考慮了bbo晶體的設計。 -
The influence of several vital parameters ( the linewidth enhancement factor or, reflectivities of the facet adjacent to the external cavity r and the external reflector r ) of the ecld on the bistable characteristics have been discussed briefly
並初步介紹了ecld幾個關鍵參量，譜線展寬因子和ld鍍膜端面反射率r對雙穩環基本特性的影響。 -
The tuning curve of type - i phase matching of bbo opo are measured with accuracy ; the maximum conversation in total of the system is about 31 % at 615. 6 nm, and it is fitted well with the gtp formula ; in the end we compared the output linewidth and unstable cavity far field beam qua lity of the bbo opo under the condition of type - i phase matching and type - ii phase matching, it is proved that we can obtain the parametric output of linewidth less than 0. 3 nm and the beam divergence angle approaching diffraction limits by take the advantages of type - ii phase matching and unstable cavity designs
測量了該系統的轉換效率最大為31 ，並能與理論公式極好地吻合，最後比較了在類相位匹配條件下和類相位匹配條件下的bbo - opo的輸出線寬，以及非穩腔的遠場光束質量，實驗結果表明，利用類相位匹配以及非摘要穩腔設計可以獲得線寬小於0 3nlm 、光束發散角接近衍射極限的參量光輸出。
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