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    • 3. 发明授权
    • Evanescent atom guiding in metal-coated hollow-core optical fibers
    • 在金属涂覆的中空芯光纤中引导的消弧原子
    • US6151435A
    • 2000-11-21
    • US184208
    • 1998-11-01
    • Herschel S. Pilloff
    • Herschel S. Pilloff
    • G21K1/06H05H3/04G02B6/02
    • G21K1/06H05H3/04
    • A new type of atom guiding structure has been analyzed. It consists of a low-core optical fiber (step-index) which is not clad, but instead has a metal coating on its outer lateral surface. It will be shown that this structure produces the maximum evanescent field in the hollow region of the fiber and guiding can be accomplished with lower power lasers. Both the dipole and the vander Waals potentials have been combined and the resulting barrier height was maximized as a function of both .DELTA., the detuning, and r, the position. An optimized potential having a barrier height of 1 K has been determined by iteratively solving for the required laser intensity. The probability of atoms tunneling through this barrier to the inner wall has been calculated and is expected to be unimportant. Centripetal effects due to a bending of the fiber have also been estimated and are small for the barrier considered here. Compared to other structures, this new-type of guide provides bigger barriers for the same laser power, and therefore enhanced atom guiding.
    • 已经分析了一种新型的原子引导结构。 它由不包层的中空芯光纤(步进折射率)组成,而是在其外侧表面上具有金属涂层。 将显示该结构在纤维的中空区域中产生最大的消逝场,并且可以用较低功率的激光器实现引导。 偶极子和vander Waals电位都被组合,并且所得到的势垒高度作为DELTA,失谐和r的位置的函数被最大化。 通过迭代求解所需的激光强度,确定了屏障高度为1 K的优化电位。 已经计算了原子穿过该屏障穿过内壁的概率,并且预计不重要。 还估计了由于纤维弯曲引起的向心效应,并且对于这里考虑的屏障是小的。 与其他结构相比,这种新型指南为相同的激光功率提供了更大的障碍,因此增强了原子引导。
    • 4. 发明授权
    • Explosively driven laser amplifier system
    • 爆炸式激光放大器系统
    • US4016500A
    • 1977-04-05
    • US623278
    • 1975-10-17
    • Herschel S. Pilloff
    • Herschel S. Pilloff
    • H01S3/0937H01S3/213H01S3/091H01S3/20
    • H01S3/213H01S3/0937
    • A system for optically coupling an intense photon output from an explosively shock-heated gas to a laser amplifier for the generation of a very high power optical pulse. A laser amplifier element preferably a dye laser type is centrally located within and supported by an enclosed hexahedron housing filled with a visible or infrared absorbing solution. Each leg of the hexahedron has secured thereto a pyramidal shaped (a pyramid with the apex end cut off parallel with the base) gas filled lamp for pumping the laser amplifier element. Each gas lamp is provided with a liner of explosive material along the inside of the outermost surface which is ignited by an electrical detonator. Detonation of the explosive liner produces an imploding shock wave which raises the argon gas to incandescence to excite the liquid dye laser amplifier to produce a population inversion necessary for laser amplification.
    • 用于将来自爆炸性冲击加热气体的强光子输出光学耦合到激光放大器以产生非常高功率的光脉冲的系统。 激光放大器元件优选地是染料激光器类型,居中地位于由可见光或红外线吸收溶液填充的封闭的六面体外壳内部并由其支撑。 六面体的每个腿已经固定有用于泵送激光放大器元件的金字塔形(顶点与基座平行切割的金字塔)充满气体的灯。 每个气体灯在沿着最外表面的内部设置有由电雷管点燃的爆炸材料衬里。 爆炸衬片的爆震产生一个冲击波,将氩气升温至白炽,激发液体染料激光放大器,产生激光放大所需的总体反演。