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    Highly repetitive laser system having a compact design
    3.
    发明授权
    Highly repetitive laser system having a compact design 有权
    高度重复的激光系统具有紧凑的设计

    公开(公告)号：US07924902B2

    公开(公告)日：2011-04-12

    申请号：US10578508

    申请日：2004-11-25

    Applicant: Daniel Kopf ,  Maximilian Josef Lederer

    Inventor： Daniel Kopf ,  Maximilian Josef Lederer

    IPC: H01S3/081

    CPC classification number: H01S3/106 ,  H01S3/0057 ,  H01S3/0615 ,  H01S3/08004 ,  H01S3/0813 ,  H01S3/1055 ,  H01S3/1618 ,  H01S3/17 ,  H01S3/235 ,  H01S2301/08 ,  Y10S372/70

    Abstract: The invention relates to a highly repetitive laser system operating according to the reproducible amplifier principle. Said system comprises at least one amplified laser medium, a laser resonator provided with at least one resonator mirror and at least one modulator and a pump source, in particular, a laser diode source, which is used to pump the laser medium. The highly repetitive laser system is compact by virtue of the fact that a pulse extensor, having a highly dispersive effect as a result of the structure or material thereof, is integrated into the laser resonator.

    Abstract translation: 本发明涉及一种根据可再现放大器原理工作的高度重复的激光系统。 所述系统包括至少一个放大的激光介质，设置有至少一个谐振镜和至少一个调制器的激光谐振器，以及用于泵浦激光介质的泵浦源，特别是激光二极管源。 高度重复的激光系统是紧凑的，由于其结构或材料具有高度分散效应的脉冲伸缩器被集成到激光谐振器中。

    MICROCHIP LASER
    5.
    发明申请
    MICROCHIP LASER 审中-公开

    公开(公告)号：US20170133815A1

    公开(公告)日：2017-05-11

    申请号：US15318764

    申请日：2015-06-23

    Applicant: Daniel Kopf

    Inventor： Daniel Kopf

    IPC: H01S3/06 ,  H01S3/08 ,  H01S3/16

    CPC classification number: H01S3/0627 ,  H01S3/0405 ,  H01S3/042 ,  H01S3/0621 ,  H01S3/08036 ,  H01S3/08054 ,  H01S3/10061 ,  H01S3/1118 ,  H01S3/113 ,  H01S3/1611 ,  H01S3/1671 ,  H01S3/1673

    Abstract: The invention relates to a microchip laser having a monolithic resonator (1) which has a birefringent laser crystal (2), wherein a laser beam (9) decoupled from the resonator, (1) which has a laser wavelength, exits the resonator (1) along a laser beam axis (12) and the length (L) of the resonator (1) is less than 150 μm based on a direction of the laser beam axis (12). The laser crystal (2) has a thickness (D) based on the direction of the laser beam axis (12) such that, in the case of a light beam (16) having the laser wavelength occurring in the direction of the laser beam axis (12) being incident on the laser crystal (2) between the ordinary and extraordinary beam (17, 19), in which the light beam (16) is divided in the laser crystal (2), a phase shift in the range of π/2 +/−π/4 occurs in a single pass through the laser crystal (2).

    Laser arrangement and resonator element for such a laser arrangement
    6.
    发明申请
    Laser arrangement and resonator element for such a laser arrangement 有权

    公开(公告)号：US20110032968A1

    公开(公告)日：2011-02-10

    申请号：US12535044

    申请日：2009-08-04

    Applicant: Daniel Kopf

    Inventor： Daniel Kopf

    IPC: H01S3/08

    CPC classification number: H01S3/08059 ,  H01S3/1118

    Abstract: In a laser arrangement comprising at least one laser medium for producing a laser emission, a laser resonator having a beam path with a length of at least 20 cm and with at least one end mirror, the beam path within the laser resonator is formed at least partly by free-beam optics. A resonator element arranged in the beam path has at least two optical surfaces as surfaces interacting with the radiation led via the beam path, these optical surfaces being rigidly connected to one another and being adjustable together in the beam path in such a way that, on tilting by an angle error, they achieve substantially the same effect on the guidance of the beam path but with opposite sign, so that mutual compensation of tilt errors takes place.

    LASER AMPLIFIER SYSTEM AND LASER AMPLIFIER METHOD
    7.
    发明申请
    LASER AMPLIFIER SYSTEM AND LASER AMPLIFIER METHOD 有权
    激光放大器系统和激光放大器方法

    公开(公告)号：US20100272137A1

    公开(公告)日：2010-10-28

    申请号：US12431442

    申请日：2009-04-28

    Applicant: Daniel Kopf ,  Juerg Aus Der Au

    Inventor： Daniel Kopf ,  Juerg Aus Der Au

    IPC: H01S3/13

    CPC classification number: H01S3/2308 ,  H01S3/005 ,  H01S3/0064 ,  H01S3/0085 ,  H01S3/09415 ,  H01S3/10015 ,  H01S3/1003 ,  H01S3/2316

    Abstract: A laser amplification arrangement comprising a laser medium for producing an amplified laser emission as output signal from a useful signal to be amplified and a pump source has a switching component for coupling the useful signal into the laser medium. Laser medium and switching component are formed and arranged so that a division of an input signal (ES) into the useful signal and a background signal is effected, the background signal being passed through the laser medium at a time immediately before and/or after the coupling-in of the useful signal to be amplified.

    Abstract translation: 一种激光放大装置，包括用于产生放大的激光发射的激光介质，作为要被放大的有用信号的输出信号，以及泵浦源具有将有用信号耦合到激光介质中的开关部件。 激光介质和开关元件被形成和布置成使得输入信号（ES）分成有用信号和背景信号，背景信号在紧接之前和/或之后的时间通过激光介质 要放大的有用信号的耦合。

    Compact ultra fast laser
    8.
    发明授权
    Compact ultra fast laser 有权
    紧凑超快激光

    公开(公告)号：US06944201B2

    公开(公告)日：2005-09-13

    申请号：US10250670

    申请日：2002-01-24

    Applicant: Udo Bunting ,  Daniel Kopf

    Inventor： Udo Bunting ,  Daniel Kopf

    IPC: H01S3/00 ,  H01S3/081 ,  H01S3/091 ,  H01S3/092 ,  H01S3/0941 ,  H01S3/098

    CPC classification number: H01S3/09415 ,  H01S3/005 ,  H01S3/0811 ,  H01S3/0813 ,  H01S3/1118

    Abstract: The solid state laser comprises a laser gain medium (1), pumping means for pumping the laser gain medium, and a laser cavity having a first end (3) and a second end (17), wherein the laser gain medium is at, or in the vicinity of, said first end (3) of said cavity. A semiconductor saturable absorber mirror (SESAM) can be placed at the second end (17) of the cavity. The laser gain medium can comprise at least one face for receiving pumping energy from the pumping means, the face being made reflective at a laser frequency of the laser, so that it can form the first end of the laser cavity. The resulting setup used for generating femtosecond laser pulses.

    Abstract translation: 固体激光器包括激光增益介质（1），用于泵浦激光增益介质的泵送装置和具有第一端（3）和第二端（17）的激光腔，其中激光增益介质处于或 在所述腔的所述第一端（3）的附近。 半导体可饱和吸收镜（SESAM）可以放置在空腔的第二端（17）处。 激光增益介质可以包括至少一个用于从泵送装置接收泵送能量的面，所述面被激光的激光频率反射，从而可以形成激光腔的第一端。 所产生的设置用于产生飞秒激光脉冲。

    Optical component for generating pulsed laser radiation
    9.
    发明授权
    Optical component for generating pulsed laser radiation 失效
    用于产生脉冲激光辐射的光学部件

    公开(公告)号：US06466604B1

    公开(公告)日：2002-10-15

    申请号：US08952478

    申请日：1997-11-19

    Applicant: Daniel Kopf

    Inventor： Daniel Kopf

    IPC: H01S308

    CPC classification number: H01S3/1118 ,  G02F1/3523 ,  H01S3/0604 ,  H01S3/0627 ,  H01S3/113

    Abstract: The optical component designed preferably for use in a laser cavity for the generation of a pulsed laser beam, especially a mode-coupled beam in the microsecond to the femtosecond range, contains a coating ensemble that acts as a saturable absorber, contains several layers, and is wave-coupled and “etalon-free,” having at least one saturable absorptive layer. The sequence of layers in the coating ensemble can be laid out such that for an incident cavity beam a negative dispersion of the group velocity (negative group delay dispersion and negative group velocity dispersion) also results. In the optical component which acts among other things as a saturable absorber and can be used as such, separate, individual, discrete optical elements need not be assembled in a sandwich-type construction with minimization. Instead, the optical component is a coating ensemble in which each individual layer, together with the remainder of the ensemble, contributes to the phase-coupled overall behavior of the incident beam. One or more layers which exhibit the saturable absorptive properties may be positioned in this ensemble, naturally allowing for phase-constant relations, such that an optimal, in this case a saturable absorptive, effect can be achieved.

    Abstract translation: 优选地设计用于激光腔中用于产生脉冲激光束，特别是微秒到飞秒范围的模耦合光束的光学部件包含充当可饱和吸收体的涂层集合体，其包含若干层，以及 是具有至少一个可饱和吸收层的波耦合和“无标准信号”。 可以布置涂层集合中的层序列，使得对于入射腔光束，也产生组速度（负组延迟色散和负组速度色散）的负色散。 在作为可饱和吸收体并且可以这样使用的光学部件中，单独的，独立的分立的光学元件不需要以最小化的夹层结构组装。 相反，光学部件是一个涂层集合，其中每个单独的层以及该组合的其余部分有助于入射光束的相位耦合整体行为。 表现出可饱和吸收性质的一个或多个层可以定位在该组合中，自然地允许相位常数关系，使得在这种情况下可以获得最佳的可饱和吸收效应。

    Microchip laser
    10.
    发明授权
    Microchip laser 有权

    公开(公告)号：US10148057B2

    公开(公告)日：2018-12-04

    申请号：US15318764

    申请日：2015-06-23

    Applicant: Daniel Kopf

    Inventor： Daniel Kopf

    IPC: H01S3/06 ,  H01S3/08 ,  H01S3/10 ,  H01S3/113 ,  H01S3/11 ,  H01S3/16 ,  H01S3/04 ,  H01S3/042

    Abstract: The invention relates to a microchip laser having a monolithic resonator (1) which has a birefringent laser crystal (2), wherein a laser beam (9) decoupled from the resonator, (1) which has a laser wavelength, exits the resonator (1) along a laser beam axis (12) and the length (L) of the resonator (1) is less than 150 μm based on a direction of the laser beam axis (12). The laser crystal (2) has a thickness (D) based on the direction of the laser beam axis (12) such that, in the case of a light beam (16) having the laser wavelength occurring in the direction of the laser beam axis (12) being incident on the laser crystal (2) between the ordinary and extraordinary beam (17, 19), in which the light beam (16) is divided in the laser crystal (2), a phase shift in the range of π/2+/−π/4 occurs in a single pass through the laser crystal (2).

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