Method for confecting chemical fuel of oxygen-iodine chemical laser

A technology of chemical fuel and oxygen-iodine chemistry, which is applied to laser components and active dielectric materials, can solve the problems of cumbersome, complicated, unsafe and slow process of oxygen-iodine chemical laser operation, and achieve easy acquisition, easy storage and transportation, and preparation Safe and fast effect

Inactive Publication Date: 2007-09-26
DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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Problems solved by technology

[0007] This process involves highly corrosive, explosive and high-concentration hydrogen peroxide solution, and the preparation process of BHP needs to be prepared under relatively harsh conditions such as low temperature and vacuum conditions, and an additional cooling system is required. Moreover, the process is slow, which makes the pre-operation process of the oxygen iodine chemical laser cumbersome, complicated and unsafe.

Method used

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  • Method for confecting chemical fuel of oxygen-iodine chemical laser
  • Method for confecting chemical fuel of oxygen-iodine chemical laser
  • Method for confecting chemical fuel of oxygen-iodine chemical laser

Examples

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Effect test

Embodiment 1

[0036] Embodiment 1: the chemical fuel prepared by lithium peroxide and water

[0037] At room temperature and normal pressure, add 2g of off-white lithium peroxide powder into 60ml of ice distilled water, stir and mix to completely dissolve lithium peroxide in ice water. Lithium peroxide needs to be stirred for a certain period of time to completely dissolve in ice heavy water. The dissolution process is relatively mild, with little heat release and less oxygen evolution. Then add this solution in a 100ml three-necked flask, vacuumize, keep the reactor pressure below 100torr, magnetically stir, then feed chlorine gas through a glass gas bubbler with evenly distributed small holes at the bottom to react, and the reactor pressure remains At 150~300torr. Red light can be clearly observed in the reaction. Point the optical fiber head coupled with the OMA-V spectrometer and the CCD spectrometer directly to the three-necked flask to monitor the radiation signal of singlet oxygen....

Embodiment 2

[0038] Embodiment 2: the chemical fuel prepared by lithium peroxide and heavy water

[0039] The preparation process and phenomenon of chemical fuel, the experimental process of reacting with chlorine and the test method of singlet oxygen are all the same as in Example 1, except that 60ml of water is replaced by 60ml of heavy water. The red light can be clearly observed in the reaction, and the spectrometer can easily monitor the near-infrared 1266nm unimolecular radiation signal of singlet oxygen and the bimolecular synergistic radiation signal of 6340nm or 703nm in the visible light region, except for these three radiations In addition to the spectral peak, the O near 762nm was also measured 2 ( 1 ∑ g + ) radiation spectrum peak.

Embodiment 3

[0040] Embodiment 3: the chemical fuel prepared by sodium peroxide and water

[0041]At room temperature and normal pressure, add 6g of yellow sodium peroxide powder into 60ml of ice-water mixture, stir and mix to completely dissolve the sodium peroxide in the ice-water, and the sodium peroxide dissolves rapidly when added to water, releasing a large amount of heat and energy Oxygen evolves. Then add this solution in a 100ml three-necked flask, vacuumize, keep the reactor pressure below 100torr, magnetically stir, then feed chlorine gas through a glass gas bubbler with evenly distributed small holes at the bottom to react, and the reactor pressure remains At 150~300torr. Red light can be clearly observed in the reaction. Point the optical fiber head coupled with the OMA-V spectrometer and the CCD spectrometer directly to the three-necked flask to monitor the radiation signal of singlet oxygen. The spectrometer can easily monitor the near-infrared 1266nm single molecule radia...

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Abstract

The invention provides a confecting method of new type oxygen-iodine chemical laser chemical fuel, that is under room temperature and atmospheric pressure, the solid alkali metals peroxide or superoxide is dissolved in the ice water mixture to be solution, the reaction between the solution obtained and chlorine can generate the singlet oxygen efficiently needed by the oxygen-iodine chemical laser. The raw material needed in the method is easy to get, and the storage and transportation are simple, it is safer and quicker than confecting cause of BHP liquid in traditional COIL.

Description

technical field [0001] The present invention relates to oxygen-iodine chemical laser, specifically a kind of preparation method of new oxygen-iodine chemical laser chemical fuel, is about to dissolve the peroxide or superoxide powder of solid alkali metal in ice water close to 0 ℃ ( or ice-heavy water) mixture, the solution reacts with chlorine gas to efficiently produce singlet oxygen, so the solution can be used as the chemical fuel required in the oxygen-iodine chemical laser. Background technique [0002] Since the successful demonstration of the oxygen iodine chemical laser by McDermott W.E. of the United States in 1978, after nearly 20 years of development, the oxygen iodine chemical laser has now developed to a considerable scale and level, and its output power has reached one million watts. The beam quality can be close to the diffraction limit, because of its high brightness, and chemical laser does not require a huge power supply or light source, and has good magni...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S3/20H01S3/14H01S3/02
Inventor 李庆伟陈方桑凤亭金玉奇多丽萍
Owner DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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