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    • 51. 发明授权
    • Molecular gas laser
    • 分子气体激光器
    • US09059561B2
    • 2015-06-16
    • US14087258
    • 2013-11-22
    • Robert Neil Campbell
    • Robert Neil Campbell
    • H01S3/22H01S3/0933H01S3/223H01S3/094H01S3/0941H01S3/16
    • H01S3/0933H01S3/094042H01S3/094092H01S3/094096H01S3/0941H01S3/1616H01S3/2232
    • The closed cycle solid state optically pumped gas hybrid (chemical recovery) system utilizes a laser diode excited solid state, fiber or bulk, laser as a pump for a molecular gas, or gas mix, medium. The existence of efficient high power laser diode excited solid state fiber or bulk lasers, output spectrally matched to suitable principle and excited level 1st and 2nd overtones of relevant gases, is the enabling system technology. The utilization of such in combination with suitable gases introduces a range of viable, in principle sourcing on laser diodes and thus effectively laser diode pumped, gas laser systems with access to the approximately 4.5 μm to approximately 5.4 μm spectral region. Continuous wave or pulsed operation, with significant energy capability courtesy of solid state storage, is admitted.
    • 封闭循环固态光泵混合(化学回收)系统利用激光二极管激发的固态,纤维或体积,激光作为分子气体或气体混合介质的泵。 有效的大功率激光二极管激光固态光纤或体激光器的存在,与相关气体的第一和第二次谐波的适用原理和激发电平的频谱匹配的输出是使能系统技术。 与合适气体的结合使用引入了一系列可行的,原则上来源于激光二极管,从而有效地激光二极管泵浦气体激光系统,可以访问大约4.5μm至大约5.4μm的光谱区域。 允许持续波或脉冲操作,具有强大的能量容量,由固态存储提供。
    • 54. 发明授权
    • Optical surge suppressive type optical amplifier
    • 光浪涌抑制型光放大器
    • US07751119B2
    • 2010-07-06
    • US12197631
    • 2008-08-25
    • Miki OnakaEtsuko Hayashi
    • Miki OnakaEtsuko Hayashi
    • H04B10/17H04B10/12
    • H01S3/06758H01S3/06716H01S3/094092H01S3/10015H01S3/1301H01S3/1305H01S3/1608H04B10/291H04B2210/003
    • According to an optical surge suppressive type optical amplifier in the present invention, for a WDM optical amplifier having a multi-stages amplification configuration in which a plurality of optical amplifying means is connected in series, an optical amplifying medium capable of causing a homogeneous up-conversion (HUC) phenomenon is applied to the optical amplifying means on the signal light output side, so that an optical surge is suppressed utilizing the degradation of gain efficiency by the HUC caused at the time when the input power is decreased. Further, for a one wave optical amplifier, an optical amplifying medium capable of causing a pair induced quenching (PIQ) phenomenon is applied to the optical amplifying means on the signal light input side, so that the optical surge is suppressed utilizing the degradation of output power efficiency by the PIQ caused at the time when the input power is increased. As a result, it is possible to provide a low cost optical amplifier capable of effectively suppressing the optical surge without leading the complexity of control circuit or optical circuit configuration.
    • 根据本发明的光浪涌抑制型光放大器,对于具有多个放大结构的WDM光放大器,其中多个光放大装置串联连接,能够产生均匀上升的光放大介质, 转换(HUC)现象被应用于信号光输出侧的光放大装置,从而通过在输入功率降低时引起的HUC的增益效率的劣化来抑制光波动。 此外,对于单波长光放大器,能够对信号光输入侧的光放大装置施加能够引起成对感应淬灭(PIQ)现象的光放大介质,从而利用输出的劣化来抑制光波动 当输入功率增加时,由PIQ引起的功率效率。 结果,可以提供一种能够有效地抑制光波动的低成本光放大器,而不会导致控制电路或光电路配置的复杂性。
    • 57. 发明授权
    • Up-conversion optical fiber laser apparatus
    • 上转换光纤激光装置
    • US07215687B2
    • 2007-05-08
    • US11436631
    • 2006-05-19
    • Kiyoyuki KawaiJae Chul Yong
    • Kiyoyuki KawaiJae Chul Yong
    • H01S3/30H01S3/00
    • H01S3/094003H01S3/094092
    • The invention provides an optical fiber laser apparatus. In the invention, an excitation light source outputs light of a given wavelength. A first optical fiber generates light of a plurality of wavelengths including light of a first wavelength by up-conversion from the output light. Also, a first resonator includes first and second mirrors provided on both ends of the first optical fiber, respectively. The first resonator selects the first wavelength light to output via the second mirror. Further, a second optical fiber amplifies an output of the first wavelength light incident from the first resonator. In addition, the first and second mirrors have higher reflexivity for the first wavelength light than the second wavelength light having higher gain per length of the optical fiber. The first fiber has a length set such that the first wavelength light oscillates preferentially over the second wavelength light.
    • 本发明提供一种光纤激光装置。 在本发明中,激发光源输出给定波长的光。 第一光纤通过从输出光的上变频而产生包括第一波长的光的多个波长的光。 此外,第一谐振器包括分别设置在第一光纤两端的第一和第二反射镜。 第一谐振器选择通过第二反射镜输出的第一波长光。 此外,第二光纤放大从第一谐振器入射的第一波长光的输出。 此外,第一和第二反射镜对于第一波长的光具有比每个光纤长度增益更高的第二波长光更高的反射率。 第一光纤具有长度设置,使得第一波长光在第二波长光上优先振荡。
    • 60. 发明授权
    • Diode-pumped alkali lasers (DPALs) and amplifiers (DPAAs) with reduced buffer gas pressures
    • 具有降低的缓冲气体压力的二极管泵浦碱性激光器(DPAL)和放大器(DPAAs)
    • US07061958B2
    • 2006-06-13
    • US10746525
    • 2003-12-24
    • William F. Krupke
    • William F. Krupke
    • H01S3/22
    • H01S3/22H01S3/08H01S3/094H01S3/094092H01S3/0941H01S3/2207
    • A new class of lasers is provided that can be pumped by conventional high-power, multi-mode, broadband 1-D and 2-D laser diode arrays with spectral widths greater than 0.01 nm, where the pumped laser gain medium comprises an atomic vapor of one the alkali elements (Li, Na, K, Rb or Cs), buffered with a mixture of rare-gas (He, Ar, Kr, Ne or Xe) and selected molecular gases. The alkali atom gain medium is pumped at a wavelength matching the wavelength of the 2S1/2–2P3/2 electric-dipole-allowed transition (the D2 transition). After kinetic relaxation of pump excitation to the excited 2P1/2 electronic level, laser emission takes place on the 2P1/2–2S1/2 transition (the D1 transition).
    • 提供了一类新的激光器,可以通过传统的大功率,多模式宽带1-D和2-D激光二极管阵列泵浦光谱宽度大于0.01nm的激光器,其中泵浦的激光增益介质包括原子蒸气 一种用稀有气体(He,Ar,Kr,Ne或Xe)和选定分子气体的混合物缓冲的碱元素(Li,Na,K,Rb或Cs)。 碱性原子增益介质以与波长相匹配的波长被泵浦,所述波长与第二个2/2/2 / 3P 电偶极允许转变(D 2 N 2转变)。 在泵浦激发到激发的2/2 1/2电子电平的动力学松弛之后,激光发射发生在第2个P 1 / 2 <2→2 过渡(D 1 <1>过渡)。