公开(公告)号：WO2020052785A1

公开(公告)日：2020-03-19

申请号：PCT/EP2018/074933

申请日：2018-09-14

申请人： MAX-PLANCK-GESELLSCHAFT ZUR FÖRDERUNG DER WISSENSCHAFTEN E. V. ,  LUDWIG-MAXIMILIANS-UNIVERSITÄT MÜNCHEN

发明人： KRAUSZ, Ferenc ,  PUPEZA, Ioachim ,  ZIGMAN KOHLMAIER, Mihaela ,  HUBER, Marinus

IPC分类号： G01N15/14 ,  G01N15/10

摘要： A particle analysis method and apparatus, including a spectrometry- based analysis of a fluid sample (1), comprises the steps of creating a sample light beam S and a probe light beam P with a light source device (10) and periodically varying a relative phase between the sample and probe light beams S, P with a phase modulator device (20), irradiating the fluid sample (1) with the sample light beam S, detecting the sample and probe light beams S, P with a detector device (40), and providing a spectral response of the at least one particle (3), wherein the light source device (10) comprises at least one broadband source, which has an emission spectrum covering a mid-infrared MIR frequency range, and the phase modulator device (20) varies the relative phase with a scanning period equal to or below the irradiation period of irradiating the at least one particle (3, 4).

公开(公告)号：WO2014056989A1

公开(公告)日：2014-04-17

申请号：PCT/EP2013/071068

申请日：2013-10-09

申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E. V. ,  FRIEDRICH-SCHILLER-UNIVERSITÄT JENA ,  MAX-PLANCK-GESELLSCHAFT ZUR FÖRDERUNG DER WISSENSCHAFTEN E. V. ,  GSI HELMHOLTZZENTRUM FÜR SCHWERIONENFORSCHUNG GMBH

发明人： PUPEZA, Ioachim ,  KLENKE, Arno ,  LIMPERT, Jens ,  BREITKOPF, Sven ,  TÜNNERMANN, Andreas ,  EIDAM, Tino

IPC分类号： H01S3/00

CPC分类号： H01S3/0057

摘要： Die Erfindung betrifft einen optischen Resonator (1) mit zumindest einem optischen Element (2), das Laserstrahlung, vorzugsweise gepulste Laserstrahlung, reflektiert oder transmittiert. Aufgabe der Erfindung ist es, eine praxistaugliche Möglichkeit zu schaffen, um gepulste Laserstrahlung aus einem Resonator (1) aus- oder in diesen einzukoppeln. Diese Aufgabe löst die Erfindung dadurch, dass das optische Element (2) schaltbar ist, wobei in einer ersten Schaltstellung die Laserstrahlung in der Weise reflektiert oder transmittiert wird, dass sie in dem Resonator (1) umläuft, und wobei in einer zweiten Schaltstellung die Laserstrahlung aus dem Resonator (1) ausgekoppelt oder die von einer externen Strahlungsquelle emittierte Laserstrahlung in den Resonator (1) eingekoppelt wird.

摘要翻译： 本发明涉及（1）具有至少一个光学元件（2），激光辐射，优选脉冲激光辐射，反射或透射的光谐振器。 本发明的目的是提供一种实用的方法来关闭或以耦合这些谐振器（1）的脉冲激光辐射。 这个目的是通过在本发明中所取得的光学元件（2）是可切换的，所述激光辐射被反射的方式或发送在第一切换位置，即它循环在谐振器（1），并且其中在第二切换位置所述激光辐射 出所述谐振器（1），其联接或通过激光辐射的外部辐射源为（1）耦合在谐振器发射。

公开(公告)号：WO2022194386A1

公开(公告)日：2022-09-22

申请号：PCT/EP2021/057079

申请日：2021-03-19

申请人： MAX-PLANCK-GESELLSCHAFT ZUR FÖRDERUNG DER WISSENSCHAFTEN E. V. ,  UNIVERSITAET WIEN

发明人： PUPEZA, Ioachim ,  HECKL, Oliver H.

IPC分类号： G01J3/10 ,  G01J3/42 ,  G01J11/00

摘要： A method of measuring a spectral response of a sample (1) comprises the steps of generating probe light pulses (2) having a primary spectrum with a fs pulse laser source device (10), generating gate light pulses (3) with the fs pulse laser source device (10), wherein the gate light pulses (3) have an adjustable temporal relationship relative to the probe light pulses (2), irradiating the sample (1) with the probe light pulses (2), including an interaction of the probe light pulses (2) and the sample (1), and temporally resolved detecting of the probe light pulses (2) having a modified spectrum, which deviates from the primary spectrum as a result of the interaction of the probe light and the sample (1), said modified spectrum being characteristic of the spectral response of the sample (1), wherein the detecting step comprises electro-optic sampling a temporal shape of the probe light pulses (2) after the interaction with the sample (1), wherein the probe light pulses (2) and the gate light pulses (3) are superimposed with varying temporal relationship in an electro-optic element (21) for sampling the temporal shape of the probe light pulses (2), and the spectral response of the sample (1) is obtained based on the temporal shape of the probe light pulses (2). The fs pulse laser source device (10) comprises a multi color master oscillator (11) including at least one gain medium and generating a first laser pulse train (4) and a second laser pulse train (5), which have different repetition frequencies fr1 and fr2 = fr1 ± Δfr with a repetition frequency difference Δfr, wherein the probe light pulses (2) are generated using one of the first and second laser pulse trains (4, 5) and the gate light pulses (3) are generated using the other one of the first and second laser pulse trains (4, 5), and the temporal relationship of the gate light pulses (3) relative to the probe light pulses (2) is adjusted by setting the repetition frequency difference Δfr. Furthermore, a spectroscopic measuring apparatus (100) for measuring a spectral response of a sample (1) is described.

公开(公告)号：WO2022207410A1

公开(公告)日：2022-10-06

申请号：PCT/EP2022/057493

申请日：2022-03-22

申请人： MAX-PLANCK-GESELLSCHAFT ZUR FÖRDERUNG DER WISSENSCHAFTEN E. V.

发明人： FILL, Ernst ,  HÖGNER, Maximilian ,  KRAUSZ, Ferenc ,  PUPEZA, Ioachim ,  RAAB, Ann-Kathrin ,  VORONINA, Liudmila ,  ZIGMAN, Mihaela

IPC分类号： H01S3/00 ,  G01N21/35 ,  G02F1/00 ,  G01J3/10 ,  G01N21/3504 ,  G01N21/39 ,  G01N2201/0697 ,  H01S3/005 ,  H01S3/0057 ,  H01S3/0092

摘要： A method of passively enhancing pulsed laser light by coherent addition of laser pulses in an enhancement cavity (20) comprises the steps of generating a sequence of seed laser pulses (1) with a repetition frequency frep and a frequency comb spectrum (3) comprising frequency comb lines (4) with frequency comb line spacings equal to the repetition frequency frep, coupling the seed laser pulses (1) via a first plate-shaped coupling element (25) into an enhancement cavity (20) comprising at least two cavity mirrors (21, 22, 23, 24) having metallic surfaces and spanning a cavity beam path (26) with a resonator length L, wherein the enhancement cavity (20) has a fundamental transverse mode TEM00 and higher-order transverse cavity modes TEMnm, each with a series of cavity resonance frequencies (5), and a cavity offset frequency (6), and coherent superposition of the seed laser pulses (1) in the enhancement cavity (20), so that at least one enhanced circulating cavity pulse (2) per cavity length is generated, wherein the frequency comb spectrum (3) is a harmonic frequency comb spectrum (3) with a vanishing seeding comb offset frequency, the enhancement cavity (20) is adjusted such that a round-trip carrier-envelope phase slippage of the circulating cavity pulses 2 is equal to 360°/N for the fundamental transverse mode TEM00, N being an integer number equal to or above (2), and a frequency overlap is provided for a plurality of the cavity resonance frequencies (5) with a plurality of the frequency comb lines (4) along the frequency comb spectrum (3). Furthermore, a laser pulse enhancement apparatus and applications thereof, e. g. in field-resolved spectroscopy, are described.

公开(公告)号：WO2022135698A1

公开(公告)日：2022-06-30

申请号：PCT/EP2020/087657

申请日：2020-12-22

申请人： MAX-PLANCK-GESELLSCHAFT ZUR FÖRDERUNG DER WISSENSCHAFTEN E. V. ,  LUDWIG-MAXIMILIANS-UNIVERSITÄT MÜNCHEN

发明人： WEIGEL, Alexander ,  BUBERL, Theresa ,  KRAUSZ, Ferenc ,  PUPEZA, Ioachim

IPC分类号： H01S3/13 ,  H01S3/00 ,  H01S3/10 ,  H01S3/23

摘要： A laser pulse sequence measuring method for measuring a delay between a pair of pulses from two laser pulse sequences (1, 2), comprises the steps of creating a first laser pulse sequence (1) of first laser pulses (1A) and a second laser pulse sequence (2) of second laser pulses (2A), and generating a delay signal (3) which represents the delay between the pair of pulses from the first and second laser pulse sequences (1, 2), wherein the step of generating the delay signal (3) includes creating intra-pulse difference frequency generation (IPDFG) pulses (4) by applying intra-pulse difference frequency generation to the first laser pulses (1A) in a difference frequency generation (DFG) medium (21), providing phase-stable reference waveforms (5) based on the IPDFG pulses (4), and electro-optic sampling (EOS) of the electric field of the phase-stable reference waveforms (5) with sampling pulses (6) in an EOS medium (22), wherein the sampling pulses (6) are created based on the second laser pulses (2A), for generating an electro-optic sampling (EOS) signal (7), wherein the delay signal (3) is obtained from the EOS signal (7). Furthermore, a spectroscopic measuring method, a laser pulse sequence measuring apparatus (100) and a spectroscopic measuring apparatus are described.

公开(公告)号：WO2020015809A1

公开(公告)日：2020-01-23

申请号：PCT/EP2018/069229

申请日：2018-07-16

申请人： MAX-PLANCK-GESELLSCHAFT ZUR FÖRDERUNG DER WISSENSCHAFTEN E. V.

发明人： PUPEZA, Ioachim ,  KRAUSZ, Ferenc ,  BUBERL, Theresa

IPC分类号： G01B9/02 ,  G01J3/42 ,  G01N21/45

摘要： An interferometer apparatus for an achromatic interferometric superposition of electromagnetic fields, with a dual beam path interferometer, comprises a beam splitter being arranged for splitting an input beam into a first beam propagating along a first interferometer arm (A1) including at least one deflection mirror and a second beam propagating along a second interferometer arm (A2) including at least one deflection mirror, wherein the first and second interferometer arms have an identical optical path length, and a beam combiner being arranged for recombining the first and second beams into a constructive output and a destructive output, wherein reflective surfaces of the beam splitter and the beam combiner are arranged such that, in the first interferometer arm compared with the second interferometer arm, one additional Fresnel reflection at an optically dense medium is provided and a propagation of the electromagnetic fields of the first and second beams, when recombined by the beam combiner, results in a wavelength-independent phase difference of π between the contributions of the two interferometer arms to the destructive output, and the first interferometer arm includes a balancing transmission element being arranged for balancing a chromatic dispersion and Fresnel losses in the first and second interferometer arms. Furthermore, an interferometric measurement apparatus and an interferometric measurement method are described.

公开(公告)号：WO2016029981A1

公开(公告)日：2016-03-03

申请号：PCT/EP2015/001437

申请日：2015-07-13

申请人： LUDWIG-MAXIMILIANS- UNIVERSITÄT MÜNCHEN ,  MAX-PLANCK-GESELLSCHAFT ZUR FÖRDERUNG DER WISSENSCHAFTEN E. V.

发明人： APOLONSKIY, Alexander ,  FILL, Ernst ,  PUPEZA, Ioachim ,  KRAUSZ, Ferenc

IPC分类号： G02F1/35

CPC分类号： G02F1/3534 ,  G02F1/3501 ,  G02F2001/3503 ,  G02F2001/3507 ,  G02F2001/3542 ,  G02F2203/15

摘要： A method of creating difference frequency (DF) laser pulses (1) by difference frequency generation (DFG) comprises the steps of providing ultrashort laser pulses (2) having a spectral bandwidth corresponding to a Fourier limit of below 50fs and containing first spectral components and second spectral components having larger frequencies than the first spectral components, and driving a DFG process by the ultrashort laser pulses (2) in an optically non-linear crystal (10), wherein the DF laser pulses (1) are generated in the crystal (10) by difference frequencies between the first and second spectral components, resp., said difference frequencies comprising third spectral components being lower in frequency than the first and second spectral components, wherein at least one enhancement cavity (20) with resonator mirrors (Mil to Ml4) spanning a beam path (22) is provided and the crystal (10) is placed in the beam path (22) of the enhancement cavity (20), the ultrashort laser pulses (2) are input coupled and coherently added in the at least one enhancement cavity (20), at least one circulating ultrashort laser pulse (3) is created in the at least one enhancement cavity (20), which drives the DFG process in the crystal (10) for generating the DF laser pulses (1), and the at least one enhancement cavity (20) is adapted for recycling the at least one ultrashort laser pulse (3) passing through the crystal (10). Furthermore, a photonic source (100) for creating DF laser pulses (1) is described, including one or more enhancement cavities.

摘要翻译： 通过差频产生（DFG）产生差分频率（DF）激光脉冲（1）的方法包括以下步骤：提供超短激光脉冲（2），其具有对应于低于50fs的傅立叶极限的谱带宽并且包含第一光谱分量， 第二光谱分量具有比第一光谱分量更大的频率，以及通过在非线性晶体（10）中的超短激光脉冲（2）驱动DFG处理，其中DF激光脉冲（1）在晶体中产生 10）由第一和第二光谱分量之间的差频率分配，包括第三光谱分量的所述差分频率在频率上低于第一和第二光谱分量，其中至少一个具有谐振器反射镜的增强空腔（20） 提供跨越光束路径（22）的Ml4，并且晶体（10）被放置在增强腔（20）的光束路径（22）中，超短激光脉冲（2）a 在所述至少一个增强空腔（20）中耦合并相干地添加至少一个增强空腔（20）中的至少一个循环超短激光脉冲（3），其在所述至少一个增强空腔（20）中产生，其驱动所述晶体 ），并且所述至少一个增强腔（20）适于再循环通过所述晶体（10）的所述至少一个超短激光脉冲（3）。 此外，描述了用于产生DF激光脉冲（1）的光子源（100），包括一个或多个增强腔。

公开(公告)号：WO2016102056A1

公开(公告)日：2016-06-30

申请号：PCT/EP2015/002562

申请日：2015-12-18

申请人： MAX-PLANCK-GESELLSCHAFT ZUR FÖRDERUNG DER WISSENSCHAFTEN E. V. ,  LUDWIG-MAXIMILIANS UNIVERSITÄT MÜNCHEN

发明人： APOLONSKIY, Alexander ,  PUPEZA, Ioachim ,  KRAUSZ, Ferenc ,  FILL, Ernst

IPC分类号： G01N21/35 ,  G01N21/3504 ,  G01N21/03 ,  G01N21/3563 ,  G01N21/3577 ,  H01S3/00 ,  G01N21/3586

CPC分类号： G01N21/35 ,  C07D231/12 ,  G01N21/3586 ,  G01N2021/3595 ,  G01N2201/06113 ,  G01N2201/0697

摘要： A method of measuring a spectral response of a biological sample (1), comprises the steps generation of probe light having a primary spectrum, irradiation of the sample (1) with the probe light, including an interaction of the probe light and the sample (1), and spectrally resolved detection of the probe light having a modified spectrum, which deviates from the primary spectrum as a result of the interaction of the probe light and the sample (1), said modified spectrum being characteristic of the spectral response of the sample (1), wherein the probe light comprises probe light pulses (2) being generated with a fs laser source device (10). Furthermore, a spectroscopic measuring apparatus is described, which is configured for measuring a spectral response of a biological sample (1).

摘要翻译： 测量生物样品（1）的光谱响应的方法包括产生具有一次光谱的探针光的步骤，用探针光照射样品（1），包括探针光和样品的相互作用 1），并且由于探针光和样品（1）的相互作用而使具有改变光谱的探测光的光谱分辨检测偏离主光谱，所述修改光谱是特征在于光谱响应的特征 样品（1），其中所述探测光包括由fs激光源装置（10）产生的探针光脉冲（2）。 此外，描述了一种用于测量生物样品（1）的光谱响应的分光测量装置。

公开(公告)号：WO2014111097A1

公开(公告)日：2014-07-24

申请号：PCT/EP2013/000115

申请日：2013-01-16

申请人： MAX-PLANCK-GESELLSCHAFT ZUR FÖRDERUNG DER WISSENSCHAFTEN E. V. ,  LUDWIG-MAXIMILIANS-UNIVERSITÄT MÜNCHEN

发明人： PUPEZA, Ioachim ,  CARSTENS, Henning ,  HOLZBERGER, Simon ,  FILL, Ernst ,  KRAUSZ, Ferenc

IPC分类号： H01S3/00 ,  H05G2/00

CPC分类号： H01S3/083 ,  G02F2203/15 ,  H01S3/005 ,  H01S3/08059 ,  H01S3/086 ,  H01S3/094 ,  H05G2/00

摘要： An enhancement resonator (20) being configured for generating intra-resonator laser light (1) by coherent superposition of input laser light, comprises at least three resonator mirrors (21, 22, 23, 24) spanning a ring resonator path in one common resonator plane, said resonator path being free of a laser light amplifying medium, wherein the at least three resonator mirrors (21, 22, 23, 24) include at least two toroidal mirrors and/or at least one cylindrical mirror. Furthermore, a laser device (100) comprising the enhancement resonator (20) and a method of generating intra-resonator laser light (1) are described.

摘要翻译： 一种被配置用于通过输入激光的相干叠加产生共振腔内激光（1）的增强型谐振器（20），包括至少三个共振镜（21,22,23,24），其跨越一个公共谐振器 所述谐振器路径不含激光放大介质，其中所述至少三个谐振器反射镜（21,22,23,24）包括至少两个环形反射镜和/或至少一个圆柱形反射镜。 此外，描述了包括增强谐振器（20）的激光装置（100）和产生共振腔内激光（1）的方法。

公开(公告)号：WO2012100943A1

公开(公告)日：2012-08-02

申请号：PCT/EP2012/000342

申请日：2012-01-25

申请人： MAX-PLANCK-GESELLSCHAFT ZUR FÖRDERUNG DER WISSENSCHAFTEN E. V. ,  PUPEZA, Ioachim ,  KRAUSZ, Ferenc

发明人： PUPEZA, Ioachim ,  KRAUSZ, Ferenc

IPC分类号： G02B27/14 ,  G02B5/30 ,  G02F1/35 ,  G02F1/37

CPC分类号： G02B27/141 ,  G02B5/3066

摘要： A method of spatially splitting a primary radiation beam (1) with a first radiation component (2) including an optical wavelength and a second radiation component (3) having a wavelength shorter than the first radiation component wavelength, said second radiation component (3) having a second or higher harmonic wavelength relative to the optical wavelength, comprises directing the primary radiation beam (1) onto a deflection mirror (10) having a reflective mirror surface (12) and carrying a refractive plate element (20), reflecting the first radiation component (2) at the reflective mirror surface (12) and reflecting the second radiation component (3) at an exposed plate surface (22) of the refractive plate element (20), wherein the reflected radiation components (4, 5) travel along different beam paths. Furthermore, a method of spatially combining a first beam path of a first radiation component (2) and a second beam path of a second radiation component (3) is described, wherein the beam splitting method is reversed. Furthermore, an optical device for implementing the above methods and applications of the methods are described.

摘要翻译： 一种利用包括光波长的第一辐射分量（2）和波长比第一辐射分量波长短的第二辐射分量（3）对主辐射束（1）进行空间分裂的方法，所述第二辐射分量（3） 具有相对于光波长的第二或更高的谐波波长，包括将主辐射束（1）引导到具有反射镜表面（12）并且承载折射板元件（20）的偏转镜（10）上，反射第一 在反射镜表面（12）处的辐射分量（2）并且在折射板元件（20）的暴露的板表面（22）处反射第二辐射分量（3），其中反射的辐射分量（4,5）行进 沿着不同的光束路径。 此外，描述了空间组合第一辐射分量（2）的第一光束路径和第二辐射分量（3）的第二光束路径的方法，其中分束方法被反转。 此外，描述了用于实现上述方法的光学装置和方法的应用。