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谱线半高全宽
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  “谱线半高全宽”译为未确定词的双语例句
     The influence of the spectral line intensity in various laser power density and direct electricity field is studied. The electron temperature of plasma in various laser power density and FWHM of the spectral line in direct electricity field are measured.
     研究了激光功率密度和直流电场对各谱线强度的影响,分析了谱线半高全宽与外加电压,等离子体电子温度与激光能量的变化规律.
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     The dependence of emission spectra line intensity and electronic temperature and FWHM(the full width half maximum)on the space and pressure of buffer gas are studied.
     研究了原子发射线强度、电子温度和(FWHM)随空间、缓冲气体压力变化的规律.
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     Relationship of Stellar Rotation in a Spherical Rigid Body Model with Spectral Line FWHM
     恒星球形刚体自转与线强度
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     The half-high-full widths of the two characteristic lines were determined, aided with the Lorentz lines fitting.
     参照Lorentz函数拟合结果 ,测量了这两条线 ,并与线的自然线理论值比较。
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     At a 150mA injection current,the full width at half maximum of the emission spectrum of the SLD is about 72nm,ranging from 1602 to 1674nm.
     150mA下,SLD发射为72nm,覆盖范围从1602到1674nm.
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     In contrast, the other sources with negative correlation have relatively broad profiles of H P .
     而正相关的源的Hβ的较窄。
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The microcavity is sandwiched between a quarterwavelength distributed Bragg reflector(DBR) and a metal Ag reflective mirror.A single layer of a Tris(8 quinolinolato)aluminum (Alq) film was used as the light emitting layer.The photoluminescent properties of the optical microcavity and that of the Alq film were studied at the same excitation condition.Compared with the Alq film,the significantly narrowed spectral emission linewidth from 90 nm to 10 nm was observed,the PL emission intensity of the microcavity...

The microcavity is sandwiched between a quarterwavelength distributed Bragg reflector(DBR) and a metal Ag reflective mirror.A single layer of a Tris(8 quinolinolato)aluminum (Alq) film was used as the light emitting layer.The photoluminescent properties of the optical microcavity and that of the Alq film were studied at the same excitation condition.Compared with the Alq film,the significantly narrowed spectral emission linewidth from 90 nm to 10 nm was observed,the PL emission intensity of the microcavity at the resonant mode is enhanced by the order of 1.The spectral narrowing and intensity enhancement of the microcavity is attributed to the microcavity effect.

本文研究了有机薄膜在平面光学微腔中的光致发光特性。有机光学微腔以多层介质膜和金属银分别作为反射镜 ,8 羟基喹啉铝 (Alq)为发光层。Alq薄膜的荧光峰位于 5 1 9nm ,谱线的半高全宽为 90nm。微腔的荧光峰位于 5 30nm ,谱线的半高全宽窄化至 1 0nm。谐振波长处的发射强度提高了一个数量级。

Aluminum plasma was obtained with a Nd:YAG pulsed laser beam ablating target aluminum. The radiation information of the plasma was recorded on a time and space resolution basis. So the time-resolved spectra of Al plasma were obtained with a time delay of 10 to 10 000 ns. From those spectra, we acquired the time-resolved spectra of Al Ⅰ 396.15 and Al Ⅰ 394.40 nm, the characteristic lines of Al plasma radiation. The shape of the two characteristic lines was studied from 800 to 10 000 ns delay. Further more, the...

Aluminum plasma was obtained with a Nd:YAG pulsed laser beam ablating target aluminum. The radiation information of the plasma was recorded on a time and space resolution basis. So the time-resolved spectra of Al plasma were obtained with a time delay of 10 to 10 000 ns. From those spectra, we acquired the time-resolved spectra of Al Ⅰ 396.15 and Al Ⅰ 394.40 nm, the characteristic lines of Al plasma radiation. The shape of the two characteristic lines was studied from 800 to 10 000 ns delay. Further more, the two characteristic lines were respectively fitted in Lorentz profile and Gauss profile with Lorentz and Gauss function. As a result, all the characteristic lines after 1 000 ns delay well fitted Lorentz profile, and before that time, they also fitted each other, but slightly. In the whole range of time delay, the experimental lines departed by far from the fitted Gauss profile. So we could conclude that the shape of Al Ⅰ 396.15 and that of Al Ⅰ 394.40 nm were all Lorentz lines, not Gauss ones. The half-high-full widths of the two characteristic lines were determined, aided with the Lorentz lines fitting. Compared with the natural widths of the two lines, the experimental results were much wider than the theoretical values.

用Nd :YAG脉冲激光烧蚀Al靶获得Al等离子体 ,利用时 空分辨技术采集Al等离子体的辐射信息 ,记录了 10~ 10 0 0 0ns延迟范围内Al等离子体辐射的时间分辨谱 ,通过分析 ,获得了Al等离子体特征谱线AlⅠ 396 15和AlⅠ 394 4 0nm的时间分辨谱。分析了 80 0~ 10 0 0 0ns延迟范围内的谱线线形 ,并分别对两条特征谱线进行了Lorentz函数和Gauss函数拟合。结果发现 ,10 0 0ns延迟以后的谱线是非常规则的Lorentz线形 ;而 10 0 0ns以前的也是Lorentz线形 ,但不十分规则 ;在该延迟范围内 ,所有时间分辨特征谱线与Gauss拟合曲线相差很大 ,说明谱线不是Gauss线形的。参照Lorentz函数拟合结果 ,测量了这两条谱线的半高全宽 ,并与谱线的自然线宽理论值比较。结果发现 ,实验值远大于理论值

Using Nd:YAG laser (with a wavelength of 1064nm and a pulse width of 10ns) ablate copper target in air to observe the emission spectra of plasma. The space-resolved spectra are measured in the wavelength of 440nm to 540nm at the 45mJ/pulse of laser energy. Under the model of local thermodynamic equilibrium, the electronic temperature of Cu plasma are deduced to be in the 104 scale by the relative line intensities. Finally, space characteristics of electron temperature and FWHM are obtained near the target. We...

Using Nd:YAG laser (with a wavelength of 1064nm and a pulse width of 10ns) ablate copper target in air to observe the emission spectra of plasma. The space-resolved spectra are measured in the wavelength of 440nm to 540nm at the 45mJ/pulse of laser energy. Under the model of local thermodynamic equilibrium, the electronic temperature of Cu plasma are deduced to be in the 104 scale by the relative line intensities. Finally, space characteristics of electron temperature and FWHM are obtained near the target. We found they decrease at different expontents with the increment of distance of target.

利用Q -开关Nd :YAG激光器产生的 1.0 6 μm、10ns的脉冲激光聚焦在空气中的Cu靶上 ,观测了激光诱导的Cu等离子体发射光谱。采用激光能量为 4 5mJ/ pulse ,分析了波长范围为 4 4 0nm到 5 4 0nm的空间分辨发射光谱。在局部热力学平衡 (LTE)条件近似下 ,根据谱线的相对强度 ,得到了等离子体电子温度约在 10 4K以上 ,给出了靶面附近电子温度和谱线半高全宽的空间演化规律。

 
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