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    • 5. 发明授权
    • Laser excited molecular beam time and frequency standard
    • 激光激发分子束的时间和频率标准
    • US4323860A
    • 1982-04-06
    • US134358
    • 1980-03-27
    • Clare C. Leiby, Jr.Shaoul Ezekiel
    • Clare C. Leiby, Jr.Shaoul Ezekiel
    • G04F5/14H01S3/13
    • G04F5/14H01S3/1304
    • A laser excited molecular beam time and frequency standard utilizing a first electromagnetic beam at a first preselected frequency to excite a molecular beam at a first preselected point along the beam in order to produce fluorescence. A second electromagnetic beam (produced from either a different electromagnetic source than utilized to produce the first beam or produced from a portion of the first beam) at a second preselected frequency excites the molecular beam at a second preselected point along the beam to produce fluorescence. By locking the frequency of the first and second electromagnetic beams to specific resonant frequencies, a time and frequency standard can be produced.
    • 激光激发的分子束时间和频率标准利用第一预选频率的第一电磁束在沿着光束的第一预选点处激发分子束以产生荧光。 在第二预选频率下,第二电磁波束(由不同的电磁源产生或用于产生第一光束或从第一光束的一部分产生)激发沿着光束的第二预选点处的分子束以产生荧光。 通过将第一和第二电磁波的频率锁定到特定的谐振频率,可以产生时间和频率标准。
    • 6. 发明授权
    • Foil moderated radioactive preionization system for gas lasers
    • 用于气体激光的FOIL现代放射性辐射系统
    • US4147995A
    • 1979-04-03
    • US826221
    • 1977-08-19
    • Clare C. Leiby, Jr.
    • Clare C. Leiby, Jr.
    • H01S3/0971H01S3/09
    • H01S3/09716
    • A safe, radioactive preionization system having a thin metallic film or foil, either placed in front of or deposited on the surface of radioactive sources, in order to isolate the radioactive source from laser discharge regions and to produce copious secondary emission electrons. The film or foil prevents bombardment of the radioactive source by discharge electrons and/or ions. In addition, the secondary emission electrons ejected from the metallic film or foil are more numerous than the radioactive decay particles which produce them and have lower energies. Hence, they are much more efficient preionization agents than the high energy particles emitted by the radioactive source.
    • 一种具有薄的金属膜或箔的安全的放射性预电离系统,放置在放射源表面之前或沉积在放射源的表面上,以便将放射源与激光放电区隔离并产生大量的二次发射电子。 膜或箔片通过放电电子和/或离子来防止放射源的轰击。 此外,从金属膜或箔排出的二次发射电子比产生它们并且具有较低能量的放射性衰变颗粒更多。 因此,它们比放射源发射的高能粒子更有效率。