laser stability 中文意思是什麼
laser stability
解釋
激光迫定性-
This product is a type of professional handset infrared rays used thermometer, not need to touch with testing object, with facility - using, stability - design, exactitude - measurement, wide - measuring range. it has laser ranging, apheliotropic display, automatic numerical reading lock - in and automatic tailoff
手持式紅外線本產品是一種專業型的手持式非接觸紅外線測溫儀，使用簡易，設計堅實，測量準確度高，測溫量程范圍寬等特點。 -
Therefore, the three fundamentals required to obtain high precise measurements are : 1 ) frequency stability and frequency difference stability of the double - frequency laser source as well as the stable equivalent length of bore ; 2 ) the measuring beam and the reference beam are placed very co - axially ; 3 ) capability of recording the sub - division of the period of phase change and a reversible counter system
因而干涉儀系統達到高精度的基礎是：頻率及頻差穩定的雙頻激光源、穩定的等效腔長；測量光與參考光合光後有很高同軸度的光路結構；能可靠記錄相位差變化周期數的細分及可逆計數系統三部分。 -
Stability of passively modelocked femtosecond fiber laser
飛秒被動鎖模光纖激光器的穩定性研究 -
The stability output second harmonic generation ( shg ) experiment results of single - longitudinal mode and multi - longitudinal mode with long cavity were explained reasonably with these rate equations. the high polarization of fundamental wave in the isotropic laser media nd : yag with type - i critical phase - matching lbo was studied with the rate equations including polarization of fundamental light. using the polarization function of lbo, a quartz full - wave plate was introduced into the cavity, a kind of birefringent filter by considering the combination of the polarization function of the type - i critical phase - matching doubling frequency crystal lbo and the quartz whole - wave plate was constructed
將腔內多縱模倍頻速率方程推廣應用到準三能級藍光激光器中，分析了一個縱模、兩個縱模、多個縱模時的噪聲情況，合理地解釋了實驗中激光器單縱模運轉以及長腔多縱模運轉時穩定輸出的實驗現象，同時利用該速率方程分析了以各向同性激光晶體nd : yag為工作物質，類臨界相位匹配lbo為倍頻晶體的藍光激光器中基頻光偏振特性，合理利用類臨界相位匹配lbo倍頻晶體的偏振特性與引入的石英晶體全波片構成雙折射濾光片，通過選單頻來抑制噪聲，獲得了藍光低噪聲的穩定輸出。 -
Rf over voltage protection, laser over heat protection, automatic power control and automatic temperature control to ensure the reliability and stability
射頻過激勵保護激光器過熱關斷保護，自動功率控制，自動溫度控制，確保光發射機工作性 -
As a sensitive instrument, it is very significant in astronomical telescope, laser communication, tracking and sighting system, picture stability optical system and autoadaptation optical system, etc. in recent years, this device is developing continuously at home and abroad
在天文望遠鏡、激光通訊、圖象穩定系統、自適應系統、跟蹤瞄準和激光發射光學系統中廣為應用。近些年國內外都在不斷地研製和發展這種裝置。 -
All - solid - state laser is an advantage lamp - house. it has many important applications and potential commercial value in many fields, such as industry, scientific research, military. so it ' s always the research focus of laser field. diode end - pumped solid - state laser has many merits. including high efficiency, long lifetime, high frequency stability, narrow line width, compact configuration, convenient for use et al, which made her a necessity in many high level quantum optics experiments. in this thesis, a series of experiment research was done with regard to blue laser, green laser and infrared laser
激光二極體端面泵浦的固體激光器具有效率高、譜線窄、壽命長、結構簡單、使用方便等優點，特別是採用環行諧振腔內加光學單向器構成的單頻激光器，由於頻率穩定，使其成為許多高水平量子光學實驗的主要光源。本論文圍繞全固態單頻藍，綠，紅外激光器進行了一系列實驗研究工作。 -
The nonuseful loss of cavity were got by measuring the threshold of laser under the different output mirrors. the loss was caused by prague angle unmatching. 3. the pulse train with minor pulse width 22ns and frequency 23khz, peak power 3. 5kw were obtained in cr4 " : yag passively q - switch experience. the stability of pulse is 6 %
（ 3 ）實現了在大功率泵浦、無水冷的情況下cr ~ （ 4 + ） : yag飽和吸收體被動調q ，得到了最小脈寬為22ns 、重復頻率為23khz 、峰值功率為3 . 5kw的激光脈沖輸出，脈沖的穩定性為6 。 -
The frequency - stability of an al ] - solid - state nd : yvo4 laser is significantly improved by means of a specially designed f - p interferometer used for the frequency standard in the frequency - stabilizing system
利用f ? p （ fabry - perot ）腔作為頻率參考標準的激光穩頻系統，是長期以來使用的一種簡單而有效的裝置。 -
Laser - diode end - pumped solid - state laser has many advantages, including high efficiency, good beam quality, high frequency stability, narrow line width, long lifetime, compact configuration, convenient for using et al. especially, single - frequency solid - state laser sources are required for many fields of fundamental research and scientific application, such as gravity - wave detection, coherent laser radar, coherent communication and fiber sensing
激光二極體泵浦的固體激光器具有全固態、小型化、效率高、使用方便等優點而受大家的廣泛關注，尤其是實現單頻運轉的全固態激光器以其優良的頻率特性和輸出功率穩定性可廣泛應用在相干信息處理、頻率計量、量子光學、引力波測量和量子信息等研究領域。 -
By means of controlling accurately temperature of f - p cavity used in the frequency - stabilizing system of laser, the frequency stability of laser is significantly improved. especially the long - term unidirectional frequency shift is essentially overcome
從實驗結果，我們得出將作為頻率標準的f ? p腔精密控溫與對該腔不控溫對激光器振蕩頻率進行鎖定的結果相比較，清楚看到短期穩定性有一定提高，重要是對作為穩頻標準f ? p腔精密控溫，消除了由於溫度變化引起的頻率慢漂移。 -
The tests of e - o applications by our flux ktp has been realized, the results showed : optical waveguides fabricated by using an ion - exchange process, which have an exchange - ion concentration depth profile and refractive - index profile, is close to a complementary error - function distribution, optical homogeneity and device thermal stability is much better. amplitude modulation switch formed by our flux ktp has the contrast ratio of 150 : 1 and insert loss is 2. 5 % at 1064 nm. high quality optical pulse with 1 ns width was cut successfully by using an e - o modulator from a laser pulse with 50 ns width, this modulator had run for three years, and the crystal did n ' t blackened, it showed our low conductivity flux ktp can endure high modulation voltage for a very long time
Ktp晶體的電光應用試驗表明：用離子交換法製作的電光波導，其離子交換濃度、折射率變化符合餘弦誤差函數，光學均勻性以及器件的溫度穩定性較好；製作的強度調制電光開關，消光比為150 ： 1 ，對1064nm激光的插入損耗為2 . 5 ；製作的電光調制器用於激光脈沖整形試驗，從脈沖寬度50ns的激光脈沖削出脈寬1ns的高質量光脈沖，該電光開關經過長達三年多的使用，沒有出現晶體變黑現象，說明本實驗的低電導率ktp晶體能夠耐受長時間的調制電壓。 -
The dispersity and stability of the graphite aqueous suspensions was investigated with centrifugation, the violet visible spectrophotometer, the laser particle size analyzer and scanning electron microscopy ( sem ). the following aspects of the production technique were carefully studied : 1. the effects of surfactants, poly ( vinyl alcohol ) ( pva ), poly ( vinyl pyrrolidone ) ( pvp ), sodium alginate ( sa - na ) and poly ( sodium acrylate ) ( pa - na ) on the suspension stability of graphite were investigated
本研究的主要內容有以下三個方面: 1 、研究了陰離子表面活性劑、非離子表面活性劑、聚乙烯醇（ pva ） 、聚乙烯基吡咯烷酮（ pvp ） 、海藻酸鈉（ sa - na ） 、聚丙烯酸鈉（ pa - na ）對石墨在水中分散性和穩定性的影響; 2 、研究了分散方法、分散介質、 ph值及羧甲基纖維素鈉（ cmc ）含量對石墨在水中分散性和穩定性的影響; 3 、研究了聚乙烯醇（ pva ） 、聚乙烯基吡咯烷酮（ pvp ） 、海藻酸鈉（ sa - na ） 、聚丙烯酸鈉（ pa - na ）四種助分散劑與羧甲基纖維素鈉（ cmc ）復配對石墨在水中分散性和穩定性的影響。 -
The rotation control technology in the laser gyro strapdown inertial navigation system was studied. the method of realizing closed - loop digital control with rlg located in the strapdown inertial navigation system was discussed. the structure of rotation servo system was introduced. the designing method and process of the digital controller were given. the method of implementing digital controllers by means of computer and software flow were demonstrated. the result of simulation and debugging of this system showed that it fullfills the requirment of the strapdown inertial navigation system. it assures the stability of rotation and solves the problem of striking without increasing the volume and cost of the system
研究激光捷聯慣導系統中的轉位控制技術.採用捷聯慣導系統本身的rlg實現轉位系統的閉環數字控制，給出了轉位伺服系統的結構組成以及數字控制器的設計方法和設計過程，給出了數字控制器的計算機實現方法和軟體流程.模擬及調試結果表明，所設計的轉位伺服系統滿足捷聯慣導系統的要求，既保證了轉動的平穩性，克服了到位撞擊問題，又不增大體積、增加成本 -
Applying 200 m quartz fibers in the ld - pumped laser system with double - pass configuration, 57 % sbs reflectivity, near 92 % sbs fidelity and 85 % relative stability have been obtained. and high beam quality of phase - conjugated laser close to that of oscillator has been achieved
應用200 m光纖經雙通放大最高可獲得57的能量反射率、 85的相對穩定性以及92的相位共軛保真度，並觀察到激光系統的輸出光束質量被顯著改善。 -
Using the new excimer laser photorefractive keratectomy ( prk ), the molecular bond of the corneal stroma is broken to allow recofiguration of the cornealsurface. this photo - ablation effect can treat severe myopia, astigmatism, and a variety of corneal diseases using photo - therapeutic keratectomy ( ptk ). the safety, predictability, and long - term stability are well established in major western medical facilities
準分子激光技術在國內、外安全使用十一年，並得到眾多醫學權威機構的認定，具有安全性及精確度高、可預測性強、長期穩定性好的特點，我院已為幾百名近視患者實施了這種手術， 90的患者術后視力達到1 . 0以上。 -
The concept of viffoal laser frequency stabilizaion is put fowi. the frequency stabilizaion at the center of doppler curve has been realized aller signal detecting, phase sensitive detecting, integrating and high voltage amplifying circuits with fm spectroscopy a frequency stability of l0 -, has been obtained with a reproducibility of l0 - 9. hyperfine spectra of, ', i, near 532nm have been studied via modul8tion tfansfer spectroscopy
利用fm光譜法將激光單次通過碘吸收室進行線性吸收，再經信號檢測、混頻、積分和高壓放大等伺服電路，實現了在多普勒曲線中心處的頻率穩定，頻率穩定度和復現性可達10 ~ （ - 9 ）量級。 -
3. a raytrace model of both co - axis and non - axis beam propagations for high - power solid - state laser systems has been set up and simulations on shots have been conducted to get the spot distribution at target point. according to the requirement of system design and theory of mathematic statistics, the dispersion circle and frequency distribution, which optimize the stability allocation of optical components, have been presented
3 、建立了共軸與非共軸相結合的光線追跡模型，通過對大型固體激光裝置打靶的模擬模擬，獲取光束在靶點處的彈著點分佈，依據總體設計要求，運用數理統計原理，採用彌散圓和頻率分佈方法對彈著點分佈進行分析，優化光學元件穩定性分配指標。 -
It has shown a good agreement with the theoretical results and proved that the appropriate combination of two passive q - switch could enhance stability of the laser
進一步的實驗表明，這種激光器在輸出特性上比一般的sbsyag激光器穩定性更高。 -
This paper with the actual needs of metal physical doping of icf target material and laser - x - ray conversion material is starting point, major for flow - levitation method principle, technology parameter control particle grain size, structure and thermal stability of phase composition that prep aration metal and alloy nanoparticle go deep into research. the principle of preparation metal nanoparticle by flow - levitation method is difference with other evaporate condensation method
本文以icf靶材料金屬物理摻雜和激光- x光轉換材料的實際需要為出發點，主要對自懸浮定向流技術制備金屬與合金納米微粒的原理、過程和工藝參數控制微粒粒徑大小，所制備納米微粒的結構、物相組成以及組成相的熱穩定性等方面進行了深入研究。
分享友人