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激光频率     
相关语句
  laser frequency
     Synthesis of He-Ne laser frequency at 88 THz
     88THz He-Ne激光频率的综合
短句来源
     An accuracy of 2×10-5±1 Hz in the measurement of beat frequency arisen from a magnetic field and a laser frequency stability of 5×10-9 for an averaging time of 1 sec were obtained.
     磁场产生的拍频的测量精度可达到2×10~(-5)±1Hz,1秒钟采样时激光频率稳定度可达到5×10~(-9)。
短句来源
     photon beam fiber diameter 1.3 ̄1.6mm, energy density 14.5 ̄21.0mJ, laser frequency 20Hz.
     ELCA采用脉冲间期为180-220msec,光导纤维直径为1.3~1.6mm,能量密度14.5~21.0mJ,激光频率为20Hz。
短句来源
     A compact 1.57 μm Eye-saft Laser Frequency Conversion Device Based on KTP OPO
     小型一体化1.57μm人眼安全激光频率转换KTP OPO
短句来源
     Test results show that the laser frequency spacing of wavelength-lock is 100 GHz and wavelength-lock accuracy is better than±2.5 GHz.
     测试结果表明波长锁定的激光频率间隔100 GHz,波长锁定精度优于±2.5GHz。
短句来源
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  laser frequencies
     In three experiments,frequencies of the Gunn oscillator are 93.16,73.54 and 73.9 GHz while corresponding harmonic orders are 15th,19th and 22nd respectively laser frequencies are 1.397(former two)and 1.626 THz(last one)respectively.
     在三次实验中,采用的耿氏振荡器频率分别为93.16、73.54和73.9GHz,相应的谐波次数分别为15、19和22。 前两次实验中的CH_2F_2激光频率值为1.397THz(波长214μm),后一次的频率值为1.626THz(波长184μm)。
短句来源
     We have recorded the differential spectrum of saturated absorption lines of SF6 and locked CO2 laser frequencies in the centers of several absorption lines of SF6.
     该调制器已成功地用于SF6分子的饱和吸收微分光谱的检测和将CO2激光频率稳定到SF6分子的吸收线中心的工作中.
短句来源
     By solving the laser-DNA interaction equation and calculating the correlation dimension,it was concluded that the DNA molecules system can be excited into the chaos state, by laser. The influence of different laser frequencies on the DNA system chaos was discussed and the genetic variation phenomenon caused by laser in a large frequency range was explained.
     通过对激光与DNA作用的运动方程迭代求解和关联维计算,讨论了不同激光频率对DNA分子系统混沌行为的影响,并对较大的激光频率范围内均能引起生物的遗传变异现象进行了解释.
短句来源
  frequency of laser
     An experiment measuring the variation in the output frequency of laser diode with an interferometer
     干涉法测量半导体激光频率漂移实验
短句来源
     With optical feedback and the control of MCU scanning procedure in the transmitter,the frequency of laser is locked within the VADOFs transmission peak. And narrow band with atomic optical filter is used in the receiver.
     系统发射端采用光反馈、电扫描方案 ,将半导体激光频率锁定在 VADOF透射峰 ,接收端采用原子滤光器窄带滤光技术。
短句来源
     The method can stabilize the output frequency of laser on the peak of atoms absorption lines and less lose lock. The laser stabilized by this method is used in the experiment of laser cooling atoms.
     这种方法能够将激光频率稳定地锁在原子吸收谱线的峰值处,锁频后激光器不易失锁,用于激光冷却铷原子实验。
短句来源
  “激光频率”译为未确定词的双语例句
     The Measurement of the Frequency Discriminating Curve of CO_2 Laser Frequency-Stabilized System Using NH_2D Stark Cell with the Heterodyne Method
     科用外差法测定NH_2D斯塔克盒稳定CO_2激光频率系统的鉴频曲线
短句来源
     The mean volume fraction of benzene and toluene is 0.107×10~(-6) and 0.130×10~(-6) in sediment respectively, 0.844×10~(-6), 0.195×10~(-6) in slurry gas respectively and δ~(13)C_1 is -21‰~-72‰.
     返浆脱气样中的苯和甲苯的平均体积分数为0.844×10-6和0.195×10-6; 利用激光频率调制吸收光谱测量技术测得井中返浆气样甲烷碳同位素比δ13C1为-21‰~-72‰。
短句来源
     We find that with the parameters of σ = ω_p(ω_1-ω_2) and β=ω_2/ω_1 properly chosen (where ω_p, ω_1, ω_2 are the plasma frequency and frequencies of the two laser beams respectively), the required large-amplitude plasma wave will be excited even though the incident laser beams are relatively weak. As a result, the injected electrons will get a sighificant energy gain.
     结果表明:适当地选择参数σ=ω_p/(ω_1-ω_2)以及β=ω_2/ω_1(ω_p,ω_1,ω_2分别为等离子体频率及两束激光频率),即可用较弱的激光造成很强的拍频等离子体波,并使注入等离子体的电子获得显著的能量增益。
短句来源
     Measurement of Methane ~(13)C/~(12)C Isotope Ratio of Slurry Gas from Oil Wells by Laser Frequency-Modulation Absorption Spectroscopy
     激光频率调制吸收光谱测量钻井气样中甲烷~(13)C/~(12)C同位素比
短句来源
     One finds appearance of the laser freqyency and the plasmon of Na 2 in laser pulse(intensity 1.338×10 12 W/cm 2, frequency 5.266 eV) since the corresponding ponderomotive potential is low.
     当激光参数选为强度 1.338× 10 12 W/cm2 和频率 5 .2 6 6eV时 ,在激光频率和Na2 的共振频率处成峰 ;
短句来源
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  laser frequency
An increase in the reflectance at the laser frequency used was observed, which was named "hole burning" in the IR reflection spectra of specimens.
      
At the incident laser frequency, a narrow, 5-cm-1wide hole is also burnt in the IR spectra of the irradiated samples.
      
The spectral properties of the quadrature components of the laser frequency and its subharmonic and the photon statistics have been studied as dependent on the pump power, crystal length, and reflectance of the laser cavity output mirror.
      
A decrease in the spectral density of fluctuations of the laser frequency quadrature does not exceed 10%.
      
A new principle of the diode laser frequency tuning has been developed and implemented.
      
更多          
  laser frequencies
Spectral characteristics of rubidium atoms confined in a dark magneto-optical trap (DMOT) are measured, including probe absorption spectra and atom density as a function of the cooling and repumping laser frequencies.
      
The spectrum consists of two distinct quintets centered about the coupling and probe-laser frequencies.
      
As a consequence, variation of the laser frequencies leads to hysteresis effects.
      
Dependence of EIT on laser frequencies and intensities, on the magnetic field strength as well as on the temperature of the sodium vapour is studied.
      
Sodium MOT collection efficiency as a function of the trapping and repumping laser frequencies and intensities
      
更多          
  frequency of laser
Effect of the Frequency of Laser Radiation on the IR Multiphoton Dissociation of Diethylsilane
      
Effect of perturbations in an active medium on the instability of the difference frequency of laser radiation
      
It is shown that if the frequency of laser radiation is equal to the cyclotron frequency, the magnetoabsorption line shape can be fully determined by the IR radiation intensity.
      
The results of the studies on the transformation of the frequency of laser radiation in polyimide films doped by C70 are presented.
      
Dynamics of resonant fluorescence from atomic Cs vapor at scanning the frequency of laser radiation in the presence of a constan
      
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This paper describes an automatic step and repeat reduction camera with precision positioning by applying the theory of light interference, using a He-Ne gas laser for light source. The camera consists of a laser interferometer system, a set of precision mechanism, a numerical control device and a laser frequency stabilizer. The displacement of the working table is measured and located by the laser interferomenter system, so the accuracy of the camera in repeat positioning is better than micron. In this paper,...

This paper describes an automatic step and repeat reduction camera with precision positioning by applying the theory of light interference, using a He-Ne gas laser for light source. The camera consists of a laser interferometer system, a set of precision mechanism, a numerical control device and a laser frequency stabilizer. The displacement of the working table is measured and located by the laser interferomenter system, so the accuracy of the camera in repeat positioning is better than micron. In this paper, the properties in the design of the laser interferometer system and the problems concerned with application of laser to precision positioning of the working table in the camera are given with some emphasis. At the sametime, it affords major technical parameters and experimental data. At the end of this paper, the analysis of accuracy and the result of calibration of the cameras show that actual accuracy of the cameras is up to about e0.75 micron. Cameras of this type are now used in industrial practice.

本文介绍一种用氦氖气体激光器作光源,以光干涉原理定位的自动分步重复照相 机。该机主要由激光干涉系统、精密机械系统、电子控制机和激光频率稳定器组成。由 于采用激光干涉定位系统直接测量工作台位移,保证重复定位精度高于±1微米。 文中着重介绍激光干涉系统结构设计特点及激光用于精密定位时的有关问题.同时 提供了主要技术参数和实验资料。对整机的精度分析和检定结果说明,产品实际精度可 达到±0,75微米。此种分步相机现已用于工业生产。

The principle of the design of our dilatometer for the determination of low expansioncoefficients lies in the equithickness interference of light, using He-Ne laser as lightsource. The dilatometer has an absolute sensitivity of 0.03 micron and a relative error of 0.3x10~(-6) in respect to samples having a length of 10 cm. The furnace temperature can be contro-lled within ±0.5℃. The instrument has been proven to be feasible in the study of materialswith low coefficients of expansion. The paper dealt with special...

The principle of the design of our dilatometer for the determination of low expansioncoefficients lies in the equithickness interference of light, using He-Ne laser as lightsource. The dilatometer has an absolute sensitivity of 0.03 micron and a relative error of 0.3x10~(-6) in respect to samples having a length of 10 cm. The furnace temperature can be contro-lled within ±0.5℃. The instrument has been proven to be feasible in the study of materialswith low coefficients of expansion. The paper dealt with special details in respect to theeffects of the frequency stability of the laser, the vacuity of the furnace, and the tempe-rature gradient of the effective temperature field upon the precision of the determinations.

本文叙述的低膨胀系数测定仪是以He-Ne激光器为光源,采用光的等厚干涉原理而制作的仪器。它的绝对测长精度为0.03微米,试样长为10厘米时相对测长精度为 0.3 ×10~(-6)。炉温的控制和测量精度为0.5℃。适用于低膨胀材料的研究和试制过程中膨胀系数的测定。文中着重叙述了激光频率的稳定性、炉内真空度、有效温度场的温度梯度等对膨胀系数测量精度的影响。

It is shown that a laser by using the relativistic Doppler effects of high energy ion beam in negative temperature state will be continuously turnable from infrared to X-ray region. The turnability range is △vT = 2v0βy. The relativistic fransform of the laser parameters are given, and the gain, threshold" and output parameters of the relativistic ion beam laser are calculated in the present work. The methods to excite ion beam by means of laser are analysed. The design of He+ and Ar+ ion beam lasers are also...

It is shown that a laser by using the relativistic Doppler effects of high energy ion beam in negative temperature state will be continuously turnable from infrared to X-ray region. The turnability range is △vT = 2v0βy. The relativistic fransform of the laser parameters are given, and the gain, threshold" and output parameters of the relativistic ion beam laser are calculated in the present work. The methods to excite ion beam by means of laser are analysed. The design of He+ and Ar+ ion beam lasers are also discussed.

利用负温度高能离子束的相对论多普勒效应,可能实现从红外到X射线连续调谐激光器。调谐范围△νΤ=2ν_0βγ。离子束从零到c调速时,激光频率为0—∞。本文给出了激光参数的相对论变换式,计算了负温度相对论离子束激光器的增益、阈值和输出特性,提出了用激光束对相对论离子束进行共振激发的方法,并讨论了He~+离子束及Ar~+离子束激光器的设计参数。

 
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