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Hydrogen and its isotope molecular ion dissociation device and dissociation method

A molecular ion and isotope technology, applied in the field of hydrogen and its isotope molecular ion dissociation device, can solve the problem of low control efficiency

Active Publication Date: 2016-04-13
SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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Problems solved by technology

[0004] The present invention aims to solve the problem of low efficiency of the above-mentioned ultrashort near-infrared light pulse on the dissociation of molecules and the control of chemical reactions, and provides a hydrogen and its isotope molecular ion dissociation device and dissociation method

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  • Hydrogen and its isotope molecular ion dissociation device and dissociation method
  • Hydrogen and its isotope molecular ion dissociation device and dissociation method
  • Hydrogen and its isotope molecular ion dissociation device and dissociation method

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with the accompanying drawings, but the protection scope of the present invention should not be limited accordingly.

[0026] see first Figure 4 As can be seen from the figure, the hydrogen and its isotope molecular ion dissociation device of the present invention comprises a titanium sapphire laser 1, along the laser output direction of the titanium sapphire laser 1 is a beam splitter 6, and the beam splitter 6 divides the incident light into transmitted beams and the reflected light beam, in the direction of the reflected light beam are the terahertz pulse generating device 2, the second adjustable diaphragm 8-2 and the vacuum chamber 5 in sequence, and the air nozzle 5-2 is arranged in the vacuum chamber 5, and the air nozzle 5 One side of -2 is successively an accelerating electrode 5-3, a microchannel plate detector 5-4, and a visible light CCD 5-5, which are sealed and connected to one wall of t...

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Abstract

The invention relates to a device and a method for dissociation of hydrogen and isotope molecular ions of hydrogen. The method comprises the steps of exciting the electrons in hydrogen and the isotope molecular ions of hydrogen into a dissociative state by ultrashort resonance ultraviolet pulse with the central wavelength of 200 nanometers; after that, controlling the movement of the electrons which are in the dissociative state by terahertz pulse (11.7 terahertz) with the central wavelength of 25.6 microns to realize the control for the dissociation process of hydrogen and the isotope molecular ions of hydrogen and further realize the control for the chemical reaction process. The simulated results prove that for H<2+>, 99.3% of electrons which are in the dissociative state are controlled within a selected nucleon; for D<2+> and T<2+>, the dissociation control rates of 98.9% and 98.2% can be realized.

Description

technical field [0001] The invention relates to hydrogen and its isotopes, in particular to a molecular ion dissociation device and method for hydrogen and its isotopes. Background technique [0002] Controlling the movement of electrons and other molecular fragments in chemical reactions has been a hot topic of scientific research in recent decades. An important purpose of controlling the movement of molecular fragments is to selectively break or link a certain chemical bond, so as to achieve the purpose of controlling the product of a chemical reaction. With the development of laser technology, especially the emergence of phase-stabilized period-level pulsed lasers, it has become a reality to use lasers to control molecular dissociation and chemical reactions. [0003] Pulsed lasers are used to control the dissociation and chemical reactions of molecules, and ultrashort near-infrared pulses are usually used as pump and probe light sources in current experiments. to D 2 ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D59/34
Inventor 贾正茂曾志男李儒新徐至展
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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