Transverse flow carbon dioxide laser system专利检索-闭环系统地热循环地热能专利检索查询-专利查询网

Transverse flow carbon dioxide laser system

阅读：424发布：2022-03-11

专利汇可以提供Transverse flow carbon dioxide laser system专利检索，专利查询，专利分析的服务。并且A mixture of carbon dioxide, helium and nitrogen gases are circulated through a closed loop system and flow transverse to an optical cavity at near sonic velocities. The gas mixture is cooled by a heat exchanger before entering and upon leaving a compressor. The gas mixture then flows through a gas diverter. A portion of the gas mixture leaving the diverter then flows through a multiple nozzle insulating partition, through a metallic screen, into a pre-ionizing cavity, and into a metallic honeycomb which is aligned with the gas flow. The screen and honeycomb serve as electrodes for an electric field that preionizes the gas and insures a uniform discharge in a flow discharge region. The pre-ionized gas passes through the metallic honeycomb into the glow discharge region to a second metallic honeycomb. Each honeycomb serves as an electrode for a direct current glow discharge which forms the active laser medium of the optical cavity. Here, the energized gases produce continuous laser action in the optical cavity. The remainder of the gas mixture from the gas diverter flows across the ends of the optical cavity to cool and electrically insulate the laser end mirrors and confine the glow discharge to the glow discharge region. After the gases pass through the second metallic honeycomb they pass into a catalytic antipollution filter and then to the first heat exchanger, completing the cycle.，下面是Transverse flow carbon dioxide laser system专利的具体信息内容。

权利要求

1. A closed loop transverse flow gas laser system comprising: an optical resonant laser cavity having a pair of laser end mirrors positioned at first opposite ends of said laser cavity to define an optical axis in said laser cavity and for stimulating a coherent beam of optical radiation along said axis; a source of high direct current voltage; a pair of metAllic nested honeycomb type electrodes positioned at opposite ends of said laser cavity to define a gas flow axis in said laser cavity transverse to said optical axis, connected across said source to establish a high potential between said electrodes in said laser cavity; input means for causing said gas to flow at high velocity into said laser cavity along said gas flow axis, whereby said high potential between said electrodes produces a glow discharge in a first portion of said gas for producing a population inversion therein and emission of radiation therefrom and said optical resonant cavity stimulates a continuous coherent output beam along said optical axis; and recirculating output means for returning the gas flowing from said laser cavity to said input means to provide a closed loop operation.

2. The laser system of claim 1, further including: a first pair of insulator nested honeycombs positioned adjacent opposite ends of one of said pair of electrodes and having channels aligned parallel with said gas flow axis; and a second pair of insulator nested honeycombs positioned adjacent opposite ends of the other of said pair of electrodes and having channels aligned parallel with said gas flow axis, whereby a second portion of said gas from said input means flows through said first and said second pairs of insulator nested honeycombs to cool said laser end mirrors.

3. The laser system of claim 2, wherein said input means comprises: means for compressing said gas to enable said gas to flow at high subsonic velocity; means for removing heat from said high velocity gas; and means coupled to the output of said heat removing means for pre-ionizing said first portion of said gas.

4. The laser system of claim 3, wherein said input means further includes means for dividing said high velocity gas into said first portion and said second portion.

5. The laser system of claim 3, wherein said means for compressing said gas comprises a turbine compressor.

6. The laser system of claim 3, wherein said means for removing heat comprises a water cooled heat exchanger.

7. The laser system of claim 3, wherein said pre-ionizing means comprises: a multiple nozzle for receiving said first portion of said gas from said heat removing means and for dividing said first portion of said gas into a plurality of gas streams; a pre-ionizing cavity; a screen electrode positioned at one end of said pre-ionizing cavity and connectable to a source of pre-ionizing potential; and one of said pair of electrodes positioned at the opposite end of said pre-ionizing cavity and connectable to said pre-ionizing source of potential, whereby said pre-ionizing potential between said screen electrode and said one of said pair of electrodes produces weak ionization of said first portion of said gas.

8. The laser system of claim 2, wherein said output means comprises: means for chemically reconstituting said gas to reconvert any impurities in said gas generated in said laser cavity; and means coupled between said reconstituting means and said input means for removing heat from said gas.

9. The laser system of claim 8, wherein said reconstituting means comprises a catalytic antipollution filter.

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Transverse flow carbon dioxide laser system

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