缓和
发表于 2025-3-26 21:36:48
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brassy
发表于 2025-3-27 02:46:09
Spectroscopic Instrumentation, profiles, or for the sensitive detection of radiation. The optimum selection of proper equipment or the application of a new technique is often decisive for the success of an experimental investigation. Since the development of spectroscopic instrumentation has shown great progress in recent years
有限
发表于 2025-3-27 08:29:25
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四指套
发表于 2025-3-27 10:09:30
Doppler-Limited Absorption and Fluorescence Spectroscopy with Lasers,escence spectroscopy. At first those methods where the spectral resolution is limited by the Doppler width of the molecular absorption lines will be treated. This limit can in fact be reached if the laser line-width is small compared with the Doppler width. In several examples, such as optical pumpi
补充
发表于 2025-3-27 17:42:09
Laser Raman Spectroscopy, its main drawback had been lack of sufficiently intense radiation sources. The introduction of lasers, therefore, has indeed revolutionized this classical field of spectroscopy. Lasers have not only greatly enhanced the sensitivity of spontaneous Raman spectroscopy but they have furthermore initiat
RAG
发表于 2025-3-27 21:08:19
Laser Spectroscopy in Molecular Beams,ques has brought about a wealth of new information on the structure of atoms and molecules, on details of collision processes and on fundamentals of quantum optics and the interaction of light with matter.
critique
发表于 2025-3-28 00:31:43
Optical Pumping and Double-Resonance Techniques,n these levels which causes a noticeable deviation from the thermal equilibrium population. With intense atomic resonance lines, emitted from hollow-cathode lamps or from microwave discharge lamps, optical pumping had successfully been used for a long time in . spectroscopy, even before the inventio
reaching
发表于 2025-3-28 06:03:53
Time-Resolved Laser Spectroscopy,tion of an optically pumped system towards thermal equilibrium opens the way to study in detail the dynamic properties of excited atoms and molecules. A thorough knowledge of dynamical processes is of fundamental importance for many branches of physics, chemistry or biology. Examples are predissocia
使满足
发表于 2025-3-28 06:35:19
Coherent Spectroscopy,r on the coherent superposition of light scattered by molecules and small particles. The coherent excitation establishes definite phase relations between the amplitudes of the atomic or molecular wave functions; this, in turn, determines the total amplitudes of the emitted, scattered or absorbed rad
胡言乱语
发表于 2025-3-28 12:56:07
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