Sunday, November 4, 2012

The use of infrared light in order to improve the level of vibration

The use of infrared light in order to improve the level of vibration, the vibration energy to eventually exceed the dissociation energy. This technique is used of UF6, of Si2F6 and isotope separation. Molecules shown in Figure 10-12 (d), although the vibrational levels of migration from j to j ± 1, but at the same time absorb more than two levels of energy and emitted photon is not easy to take this ladder incentives .At this point, the frequency change after the scattering, namely: This type of characterization of lines of anti-Stoke displacement. Where ΔE on behalf of the intramolecular two quantum of the difference of level, so you can see that the molecular level structure in order to identify the types of molecules by measuring the Raman scattering spectra. Due to the high intensity of the laser, monochromatic tunable characteristics, in addition to the Raman effect usually associated with the vibrational energy level transition, also observed that classic light source for the Raman light observed a new phenomenon - resonance pull Man effects, nonlinear Raman effect, and coherent Raman effect. The handy use of laser pointer is a good selling point of laser pointer .United States J.Nuckolls, who in 1972 published in Nature on the concept of laser compression ignition, open the compression ignition of inertial fusion research. Compression to ignite the fusion of the proposal in order to prove the feasibility of the principle, from the latter half of the 1970s to the 1980s, Japan, the United States, Europe and China have built a large constitute a multi-beam laser device. Laser compression to ignite nuclear fusion principle. Load of deuterium and tritium as a pellet of fusion fuel in a plastic ball. The laser emission of a laser pre-pulse, burned the skin of the pellet outside, hundreds of millions of degrees Celsius, the peripheral atoms of the electronic fly away to become a free electron, deuterium, tritium nuclear fuel on bare positively charged nuclei and negatively charged high-temperature plasma of free electrons.The 2.4G technology of laser pointer is advanced enough.Due to the high temperature plasma in strong magnetic fields show a variety of macro and micro instability, how to achieve steady-state operation is still the biggest problem facing the tokamak; (3) Tokamak is a closed device, how to achieve reactors from the expected heating, the continuous operation of the reaction, heat transfer, ash is also a great deal of difficulty.

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