本文用动态光散射技术(DLS,又称为PCS或QELS)和粘滞测量技术,研究了明胶从溶胶到凝胶相变过程中的弛豫性质。
The relaxation spectrum of aqueous gelatin during its phase change from sol to gel was studied by dynamic light scattering technique (DLS, also known as PCS or QELS).
用相干态方法研究了与辐射相互作用的超辐射激光二能级系统的弛豫,给出在光场高温和低温两种极限情况下准几率密度函数方程的解。
This paper studies the relaxation in the two—Level system of the Laser superradiation interacted with radiation by the method of coherence, and gives the solution of light field about sgn.
光声位相在测定样品的光学和热学性质、样品无辐射弛豫过程的研究以及深度剖面分析等方面显示了特有的能力。
Photoacoustic phase shows the special ability of measuring the optical and thermal properties, studying the nonradiative relaxation processes and analyzing the depth profile of the sample and so on.
通过对激光的电噪声的测量可以监测激光器的诸多参数和特性,如弛豫频率,谱线宽度,阈值电流,模式跳变及输出光功率是否稳定等。
We can monitor many parameters and characteristics by measuring TEN, such as surge frequency, spectrum width, threshold current, mode jump and stability of output light power.
受激射效应影响,消光比及频率啁啾在弛豫振荡频率处达到极大值。
Due to the lasing effect, the peak modulation frequency of extinction ratio and chirp occur at the relaxation oscillation frequency.
并求得它们对应的束缚能,晶格驰豫能和光离化能。
Moreover, we also deduced their correspondent values of lattice relaxation energy and optical ionization energy.
进而提出了用发光二极管结构的非相干光时延四波混频测量有源介质带间和带内载流子弛豫速率的有效方案。
Furthermore, an effective experimental scheme based on the TDFWM IL structure of LED is proposed for the observation of inter and intra band carrier relaxation rates in the active medium.
进而提出了用发光二极管结构的非相干光时延四波混频测量有源介质带间和带内载流子弛豫速率的有效方案。
Furthermore, an effective experimental scheme based on the TDFWM IL structure of LED is proposed for the observation of inter and intra band carrier relaxation rates in the active medium.
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