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    • 92. 发明公开
    • 공초점 펄스 스트레처
    • CONFOCAL脉冲拉伸器
    • KR1020080110863A
    • 2008-12-19
    • KR1020087026061
    • 2007-03-23
    • 사이머 엘엘씨
    • 다스파라슈피.호프만토마스레이강
    • H01S3/03H01S3/10
    • H01S3/0057G03F7/7055H01S3/225
    • A gas discharge laser system producing a laser output pulse and a method of operating such a system is disclosed which may comprise a pulse stretcher which may comprise a laser output pulse optical delay initiating optic directing a portion of the laser output pulse along a laser system output pulse optical axis and diverting a portion of the output pulse into an optical delay having an optical delay path and which may comprise a plurality of confocal resonators in series aligned to deliver an output of the optical delay to the laser output pulse optical delay initiating optic; an optical axis alignment mechanism comprising an radial mirror positioning mechanism operable to position the output of the optical delay to the align with the portion of the laser output pulse transmitted along the optical axis of the portion of the laser system output pulse transmitted by the laser output pulse optical delay initiating optic. ® KIPO & WIPO 2009
    • 公开了一种产生激光输出脉冲的气体放电激光器系统和这种系统的操作方法,其可以包括脉冲展宽器,其可以包括激光输出脉冲光学延迟启动光学器件,以将激光输出脉冲的一部分沿激光系统输出 脉冲光轴并将输出脉冲的一部分转换成具有光学延迟路径的光学延迟,并且可以包括串联对准的多个共焦谐振器,以将光学延迟的输出传递到激光输出脉冲光学延迟启动光学元件; 光轴对准机构,其包括径向镜定位机构,其可操作以将光学延迟的输出定位成与激光输出脉冲的沿激光输出脉冲发射的激光系统输出脉冲部分的光轴传输的部分对准 脉冲光学延迟启动光学器件。 ®KIPO&WIPO 2009
    • 95. 发明授权
    • 비대칭 공진기를 구비하는 다파장 라만 레이저 발생장치 및이를 포함하는 광통신 시스템
    • 具有不对称CA的多波长拉曼光纤激光器和包括其的光纤通信系统
    • KR100840707B1
    • 2008-06-24
    • KR1020070009389
    • 2007-01-30
    • 한국광기술원
    • 한수욱김동환임영은
    • H01S3/10H01S5/00
    • H01S3/1051H01S3/0057H01S3/107H01S3/108H01S5/187
    • A multi-wavelength Raman fiber laser having asymmetric cavities and a fiber optic communication system including the same are provided to form the cavities by using a fiber grating reflector having a narrow wavelength band and a fiber grating reflector having a wide wavelength band. A first cavity includes a first reflector(120) having a narrow wavelength band. A second cavity includes a second reflector(130) having a wide wavelength band including the wavelength of the first reflector so that the first and second reflectors have asymmetric wavelength characteristics. The first and second reflectors are composed of fiber Bragg gratings. The first reflector is composed of a tunable fiber Bragg grating. The second reflector is composed of a chirped fiber Bragg grating having a variable grating interval.
    • 通过使用具有窄波长带的光纤光栅反射器和具有宽波段的光纤光栅反射器,提供具有非对称空腔的多波长拉曼光纤激光器和包括该多波长腔的光纤通信系统以形成空腔。 第一空腔包括具有窄波长带的第一反射器(120)。 第二腔包括具有包括第一反射器的波长的宽波长带的第二反射器(130),使得第一和第二反射器具有不对称的波长特性。 第一和第二反射器由光纤布拉格光栅组成。 第一反射器由可调光纤布拉格光栅组成。 第二反射器由具有可变光栅间隔的啁啾光纤布拉格光栅组成。
    • 96. 发明公开
    • 매우 높은 반복률의 협대역 가스방전 레이저 시스템
    • 非常高的重复率窄带带隙放电激光系统
    • KR1020060130232A
    • 2006-12-18
    • KR1020067020183
    • 2005-03-03
    • 사이머 엘엘씨
    • 스테이거토마스디홀터웨이에드워드피무스만브라이언지라오라자세크하르엠
    • H01S3/22
    • H01S3/038H01S3/0057H01S3/07H01S3/097H01S3/09702H01S3/104H01S3/1305H01S3/2333
    • A method and apparatus for producing a very high repetition rate gas discharge laser system in a MOPA configuration is disclosed which may comprise a master oscillator gas discharge layer system producing a beam of oscillator laser output light pulses at a very high pulse repetition rate; at least two power amplification gas discharge laser systems receiving laser output light pulses from the master oscillator gas discharge laser system and each of the at least two power amplification gas discharge laser systems amplifying some of the received laser output light pulses at a pulse repetition that is a fraction of the very high pulse repetition rate equal to one over the number of the at least two power amplification gas discharge laser systems to form an amplified output laser light pulse beam at the very high pulse repetition rate, which may be positioned in series with respect to the oscillator laser output light pulse beam. The apparatus and method may further comprise a beam delivery unit connected to the laser light output of the power amplification laser system. The apparatus and method may be a very high repetition rate gas discharge laser system in a MOPO configuration. The apparatus and method may comprise a compression head comprising a compression head charge storage device being charged at x times per second; a gas discharge chamber comprising at least two sets of paired gas discharge electrodes; at least two magnetically saturable switches, respectively connected between the compression head charge storage device and one of the at least two sets of paired electrodes and comprising first and second opposite biasing windings having a first biasing current for the first biasing winding and a second biasing current for the second biasing winding and comprising a switching circuit to switch the biasing current from the first biasing current to the second biasing current such that only one of the at least two switches receives the first biasing current at a repetition rate equal to x divided by the number of the at least two sets of paired electrodes while the remainder of the at least two magnetically saturable switches receives the second biasing current. The apparatus and method may be utilized as a lithography tool or for producing laser produced plasma EUV light.
    • 公开了一种用于制造MOPA结构中非常高的重复率气体放电激光系统的方法和装置,其可以包括以非常高的脉冲重复频率产生振荡器激光输出光脉冲的主振荡器气体放电层系统; 至少两个功率放大气体放电激光器系统接收来自主振荡器气体放电激光器系统的激光输出光脉冲,并且至少两个功率放大气体放电激光器系统中的每一个以脉冲重复放大接收到的激光输出光脉冲的一部分, 非常高的脉冲重复率的一部分等于至少两个功率放大气体放电激光系统的数量之一,以形成以非常高的脉冲重复频率的放大的输出激光束脉冲束,其可以与 对振荡器的激光输出光脉冲光束。 该装置和方法还可以包括连接到功率放大激光系统的激光输出的光束传送单元。 该装置和方法可以是MOPO配置中非常高的重复率气体放电激光系统。 该装置和方法可以包括压缩头,该压缩头包括以每秒x次的速率充电的压缩头电荷存储装置; 气体放电室,包括至少两组成对的气体放电电极; 至少两个磁饱和开关,分别连接在所述压缩头电荷存储装置和所述至少两组成对电极中的一个之间,并且包括具有用于所述第一偏置绕组的第一偏置电流的第一和第二相对偏置绕组,以及第二偏置电流 用于所述第二偏置绕组并且包括切换电路,以将所述偏置电流从所述第一偏置电流切换到所述第二偏置电流,使得所述至少两个开关中仅一个接收到所述第一偏置电流,所述重复率等于x除以 至少两组成对电极的数量,而至少两个磁饱和开关的其余部分接收第二偏置电流。 该装置和方法可以用作光刻工具或用于产生激光产生的等离子体EUV光。
    • 97. 发明公开
    • 레이저 출력 광 펄스 스트레처
    • 激光输出光脉冲拉伸器
    • KR1020060114330A
    • 2006-11-06
    • KR1020067009242
    • 2004-11-01
    • 사이머 엘엘씨
    • 스미스스코트티.에르쇼프알렉산더Ⅰ.루카셰프,알렉세이
    • G02B6/26B23K26/02H01S3/223
    • G03F7/7055H01S3/0057H01S3/225
    • An apparatus and method for providing a high peak power short pulse duration gas discharge laser comprising a pulse stretcher which may comprise a laser output pulse optical delay initiating optic diverting a portion of the output laser pulse into an optical delay having an optical delay path and comprising; a plurality of confocal resonators in series aligned to deliver an output of the optical delay to the laser output pulse optical delay initiating optic. The plurality of confocal resonators comprises four confocal resonators may comprise a first spherical having a radius of curvature a second concave spherical mirror having the same radius of curvature and separated from the first concave spherical mirror by the radius of curvature and receiving the first reflected beam at a first point on a face of the second concave spherical mirror and generating a second reflected beam incident on a second point on the face of the first concave spherical mirror, the second reflected beam being reflected by the first concave spherical mirror from the second point on the first mirror to form an output beam from the first confocal resonator cell; and, a second confocal resonator cell receiving the output beam of the first confocal resonator cell as an input beam of the second confocal resonator cell. The apparatus and method may comprise a plurality, e.g., two pulse stretchers in series and may include spatial coherency metrology.
    • 一种用于提供高峰值功率短脉冲持续时间气体放电激光器的装置和方法,包括脉冲展宽器,其可以包括激光输出脉冲光学延迟启动光学,将输出激光脉冲的一部分转移到具有光学延迟路径的光学延迟中,并且包括 ; 串联的多个共焦共振器对准以将光延迟的输出传递到激光输出脉冲光延迟启动光学元件。 多个共焦共振器包括四个共聚焦共振器可以包括具有曲率半径的第一球形,第二凹球面镜具有相同的曲率半径,并且通过曲率半径与第一凹球面镜分离,并将第一反射光束 在第二凹球面镜的表面上的第一点并且产生入射在第一凹球面的表面上的第二点上的第二反射光束,第二反射光束被第一凹球面镜从第二点反射 所述第一反射镜从所述第一共焦共振腔形成输出光束; 以及接收第一共焦共振器单元的输出光束作为第二共焦共振器单元的输入光束的第二共焦共振器单元。 该装置和方法可以包括多个例如串联的两个脉冲担架,并且可以包括空间相干度度量。