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    • 22. 发明授权
    • Method of transferring energy in an optical fiber laser structure using energy migration
    • 使用能量迁移在光纤激光器结构中传输能量的方法
    • US06931032B2
    • 2005-08-16
    • US10398150
    • 2001-12-07
    • John D. MyersMichael J. Myers
    • John D. MyersMichael J. Myers
    • H01S3/067H01S3/094H01S3/16H01S3/30
    • H01S3/06708H01S3/06729H01S3/06737H01S3/094003H01S3/094007H01S3/1608H01S3/1618H01S3/164H01S3/1698
    • A method of transferring energy in an optical fiber structure is disclosed. This method transfers energy from a cladding element of the fiber structure to a core element of the fiber structure. The core element includes an active gain component and an energy migration component. The cladding element, which surrounds the core element, includes the energy migration component. The structure and method can be utilized to provide either an optical fiber laser or an optical fiber amplifier. The method includes the steps of providing a pump for producing the energy and optically coupling the pump with the cladding element. The cladding element, including the energy migration component, is then pumped with the energy produced by the pump such that the energy is absorbed and stored in the cladding element by the energy migration component. The method further includes the step of transferring the energy stored in the cladding element to the core element by migration of the energy within the energy migration component to the active gain component such that the active gain component in the core element lases or provides gain.
    • 公开了一种在光纤结构中传送能量的方法。 该方法将能量从纤维结构的包层元件传递到纤维结构的芯元件。 核心元件包括主动增益组件和能量迁移组件。 围绕核心元件的包层元件包括能量迁移组件。 该结构和方法可用于提供光纤激光器或光纤放大器。 该方法包括提供用于产生能量并将泵与包层元件光学耦合的泵的步骤。 包括能量迁移组分的包层元件然后用泵产生的能量泵送,使得能量被能量迁移组分吸收并存储在包层元件中。 该方法还包括通过将能量偏移分量内的能量迁移到有源增益分量来将存储在包层元件中的能量转移到核心元件的步骤,使得核心元件中的主动增益分量变化或提供增益。
    • 23. 发明授权
    • Ion-exchangeable phosphate glass compositions and strengthened optical
quality glass articles
    • 可离子交换的磷酸盐玻璃组合物和增强的光学质量玻璃制品
    • US5053360A
    • 1991-10-01
    • US373722
    • 1989-06-29
    • John D. Myers
    • John D. Myers
    • C03C3/17
    • C03C3/17
    • Ion-exchangeable phosphate glass compositions containing in mole percent from about 50 to 70% P.sub.2 O.sub.5, from about 5 to 30% Li.sub.2 O, from about 5 to 25% MO, where M is selected from the group consisting of Be, Mg, Ca, Sr, Ba, and Zn, and about 5 to 30% X.sub.2 O.sub.3, where X is selected from the group consisting of Al, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu are provided. In another aspect, the phosphate glass compositions of the present invention also contain in mole percent up to 10% R.sub.2 O, where R is selected from the group consisting of Na, K, Rb and Cs. Solarization inhibitors and minor amounts of anhydrous fluorides and chlorides are also included in some embodiments. Optical quality phosphate glass articles formed of the phosphate glass compositions of the present invention are readily ion-exchangeable when contacted with certain salts. Optical quality phosphate glass articles are also provided having good thermal shock resistance. These glass articles have an inner tension region and an outer compressive surface layer formed using an ion exchange process. In some embodiments, laser rods and similar active optical elements are formed from the strengthened phosphate glass articles of the present invention where the optical elements are doped with an amount of a suitable dopant effective for laser activity.
    • 可离子交换的磷酸盐玻璃组合物,其含有摩尔百分数为约50至70%的P2O5,约5至30%的Li2O,约5至25%的MO,其中M选自Be,Mg,Ca,Sr ,Ba和Zn以及约5〜30%的X2O3,其中X选自Al,Y,La,Ce,Pr,Nd,Pm,Sm,Eu,Gd,Tb,Dy,Ho,Er ,Tm,Yb和Lu。 另一方面,本发明的磷酸盐玻璃组合物还含有多至10%的R 2 O,其中R选自Na,K,Rb和Cs。 在一些实施方案中还包括减光剂和少量的无水氟化物和氯化物。 由本发明的磷酸盐玻璃组合物形成的光学质量磷酸盐玻璃制品在与某些盐接触时容易离子交换。 还提供具有良好耐热冲击性的光学品质磷酸盐玻璃制品。 这些玻璃制品具有内部张力区域和使用离子交换工艺形成的外部压缩表面层。 在一些实施例中,激光棒和类似的有源光学元件由本发明的加强的磷酸盐玻璃制品形成,其中光学元件掺杂一定量的适合于激光活性的掺杂剂。
    • 25. 发明授权
    • Laser device and method
    • 激光装置及方法
    • US4525842A
    • 1985-06-25
    • US583504
    • 1984-02-24
    • John D. Myers
    • John D. Myers
    • A61B18/00A61F9/007A61F9/011A61F9/02H01S3/02H01S3/093H01S3/113H01S3/08
    • H01S3/025A61F9/00736A61F9/00825H01S3/093H01S3/113A61B2018/00083A61F2009/0087A61F2009/00887A61F9/022
    • A simplified, relatively inexpensive laser device, wherein the laser elements are fixed in a body exoskeleton of electrical insulating material having a low coefficient of thermal expansion. The preferred embodiment includes a shotgun type laser filter having parallel bores which receive the laser flashlamp and laser rod in fixed relation in a body chamber. The reflector surrounds the laser filter and retains the filter within the body chamber. In the preferred method of this invention, several controlled lasing pulses are generated with each illumination pulse of the flashlamp, substantially increasing the efficiency of the laser device. The number of pulses is generally controlled by increasing the voltage to the flashlamp. The rapid multiple lasing pulses generate an elongated plasma in a fluid medium, such as the vitreous fluid body of an eye which makes the laser device extemely efficient for treating glaucoma and other medical treatments.
    • 一种简化的,相对便宜的激光装置,其中激光元件被固定在具有低热膨胀系数的电绝缘材料的身体外骨骼中。 优选实施例包括具有平行孔的霰弹枪型激光滤光器,其在体腔中接收固定关系的激光闪光灯和激光棒。 反射器围绕激光过滤器并将过滤器保持在体腔内。 在本发明的优选方法中,利用闪光灯的每个照明脉冲产生几个受控的激光脉冲,从而大大提高了激光装置的效率。 脉冲数通常通过增加闪光灯的电压来控制。 快速多重激光脉冲在流体介质(例如眼睛的玻璃体液体)中产生细长的等离子体,这使得激光装置对于治疗青光眼和其它医疗治疗具有极高的效率。