公开(公告)号：US09841656B2

公开(公告)日：2017-12-12

申请号：US15311865

申请日：2015-05-19

Applicant: Centre National de la Recherche Scientifique—CNRS ,  Institut d'Optique Graduate School ,  Université Paris-Sud

Inventor： Loïc Deyra ,  François Balembois ,  Patrick Georges

IPC: G02F1/35 ,  G02F1/01

CPC classification number: G02F1/3544 ,  G02F1/0131 ,  G02F1/3501 ,  G02F2001/3546

Abstract: A frequency converter system includes a source that emits a beam having a wide spectral band; and a frequency conversion cell including 1) a birefringent nonlinear crystal having a first phase-matching wavelength, with an input face that receives the beam, an output face that emits at least one frequency-converted beam, and at least two parallel faces different from the input and output faces; 2) means for applying an external mechanical force to at least one of said two parallel faces, resulting in a variation in the birefringence of the nonlinear crystal, the value of the applied external mechanical force being determined so as to obtain phase matching at a second phase-matching wavelength different from the first phase-matching wavelength; and 3) means for adjusting the external mechanical force for wavelength tunability in the frequency conversion cell.

公开(公告)号：US20170269389A1

公开(公告)日：2017-09-21

申请号：US15532142

申请日：2015-11-30

Applicant: HÜBNER GmbH & Co. KG

Inventor： Jens KIEßLING ,  Ingo BREUNIG ,  Frank KÜHNEMANN

IPC: G02F1/01 ,  H01S3/23 ,  G02F1/39 ,  G02F1/35 ,  G02F1/37

CPC classification number: G02F1/0121 ,  G02F1/3501 ,  G02F1/3534 ,  G02F1/37 ,  G02F1/39 ,  G02F2001/3507 ,  G02F2001/3546 ,  G02F2001/3548 ,  G02F2203/15 ,  H01S3/2383

Abstract: An apparatus for generating electromagnetic radiation includes a pump laser so adapted that in operation of the apparatus it generates electromagnetic continuous-wave pump radiation; an optical parametric oscillator which is arranged in the beam path of the pump radiation and has a non-linear optical crystal, and is so adapted that in operation of the apparatus it generates signal and idler radiation from the pump radiation, and a non-linear optical device having a non-linear optical crystal, being arranged at least in a beam path of the signal radiation or idler radiation, and being so adapted that in operation of the apparatus it generates from the signal or idler radiation electromagnetic radiation at a frequency greater than a frequency of the signal or idler radiation. The non-linear optical crystal being heated in a furnace so that the crystal has a temperature gradient in the beam direction of the signal or idler radiation.

公开(公告)号：US20170059963A1

公开(公告)日：2017-03-02

申请号：US15353211

申请日：2016-11-16

Applicant: CANON KABUSHIKI KAISHA

Inventor： Toshihiko Ouchi

IPC: G02F1/35 ,  G02F1/377 ,  G02F1/035 ,  G01N21/3586

CPC classification number: G02F1/3544 ,  G01J3/0216 ,  G01J3/42 ,  G01N21/3586 ,  G01N21/4795 ,  G01N2201/06113 ,  G02F1/0356 ,  G02F1/377 ,  G02F1/395 ,  G02F2001/3546 ,  G02F2001/374 ,  G02F2203/13

Abstract: A terahertz-wave generating element includes a waveguide including an electro-optic crystal; an optical coupling member that extracts a terahertz wave, which is generated from the electro-optic crystal as a result of light propagating through the waveguide, to a space; and at least two electrodes that cause a first-order electro-optic effect in the electro-optic crystal by applying an electric field to the waveguide so as to change a propagation state of the light propagating through the waveguide. A crystal axis of the electro-optic crystal of the waveguide is set such that the terahertz wave generated by a second-order nonlinear optical process and the light propagating through the waveguide are phase-matched.

Abstract translation: 太赫兹波发生元件包括：包括电光晶体的波导; 光耦合构件，其将由光电晶体产生的太赫兹波作为由波导传播的光的结果提取到空间; 以及至少两个电极，通过向波导施加电场来引起电光晶体中的一阶电光效应，以便改变通过波导传播的光的传播状态。 设置波导的电光晶体的晶轴，使得由二阶非线性光学处理产生的太赫兹波和通过波导传播的光相位匹配。

公开(公告)号：US20160320686A1

公开(公告)日：2016-11-03

申请号：US15105050

申请日：2014-12-15

Applicant: DANMARKS TEKNISKE UNIVERSITET

Inventor： Anders Kragh Hansen ,  Ole Bjarlin Jensen ,  Peter Eskil Andersen ,  Paul Michael Petersen

IPC: G02F1/35 ,  H01S5/40 ,  H01S5/00

CPC classification number: G02F1/3532 ,  G02F1/3501 ,  G02F1/3534 ,  G02F1/3544 ,  G02F1/3551 ,  G02F1/37 ,  G02F2001/3507 ,  G02F2001/3546 ,  H01S3/0092 ,  H01S3/08095 ,  H01S3/0823 ,  H01S3/10 ,  H01S5/0092 ,  H01S5/4012 ,  H01S5/4087

Abstract: A laser apparatus generating frequency converted light. Embodiments of the laser apparatus described herein apply a cascade of nonlinear frequency mixers for sum frequency generation (SFG) or difference frequency generation (DFG) between two frequency components of a spectrally combined laser beam with at least two spectral components originating from two respective laser sources, SFG of two frequency components beams offers up to a factor of four amplification of output power over SHG of a single laser beam.

Abstract translation: 产生变频光的激光装置。 本文描述的激光装置的实施例在频谱组合的激光束的两个频率分量与源自两个相应的激光源的至少两个光谱分量之间应用级联的非线性频率混合器用于和频产生（SFG）或差分频率产生（DFG） ，两个频率分量光束的SFG提供高达单个激光束的SHG输出功率的四倍放大倍数。

公开(公告)号：US20150180194A1

公开(公告)日：2015-06-25

申请号：US14617028

申请日：2015-02-09

Applicant: IMRA AMERICA, INC.

Inventor： Jingzhou XU ,  Gyu CHO

IPC: H01S3/067 ,  G02B5/30 ,  G02F1/35 ,  H01S3/10 ,  H01S3/00

CPC classification number: H01S3/06712 ,  G02B5/3083 ,  G02F1/353 ,  G02F1/3544 ,  G02F2001/3546 ,  H01S3/0092 ,  H01S3/067 ,  H01S3/06754 ,  H01S3/10053 ,  H01S3/10061

Abstract: In at least one embodiment a laser system includes a fiber laser source, a polarization controller and a wavelength converter. The relative power distribution between a pump wavelength and a signal wavelength is controllable using the polarization controller. An optional phase compensator is used to control polarization state of the output laser beam. In various embodiments the relative power distribution among multiple wavelengths may be controlled over a range of at least about 100:1.

Abstract translation: 在至少一个实施例中，激光系统包括光纤激光源，偏振控制器和波长转换器。 使用偏振控制器控制泵波长和信号波长之间的相对功率分布。 可选的相位补偿器用于控制输出激光束的偏振状态。 在各种实施例中，可以在至少约100:1的范围内控制多个波长之间的相对功率分布。

公开(公告)号：US09048616B1

公开(公告)日：2015-06-02

申请号：US14086538

申请日：2013-11-21

Applicant: CHRISTIE DIGITAL SYSTEMS USA, INC.

Inventor： Wayne Robinson

IPC: H01S3/04 ,  H01S3/10 ,  H01S3/108 ,  H01S3/109 ,  H01S5/024

CPC classification number: H01S3/04 ,  G02F1/0121 ,  G02F1/3544 ,  G02F1/3775 ,  G02F2001/3546 ,  G02F2203/21 ,  H01S3/0405 ,  H01S3/10 ,  H01S3/1003 ,  H01S3/108 ,  H01S3/109 ,  H01S5/024 ,  H01S5/02438 ,  H01S5/14 ,  H01S5/183

Abstract: A method, system and apparatus for automatically determining operating conditions of a periodically poled lithium niobate crystal in a laser system are provided. The system comprise: a laser; a periodic poled lithium niobate (PPLN) crystal for receiving laser input from the laser; a temperature control device for adjusting the temperature of the PPLN crystal; a temperature sensor for monitoring the temperature of the PPLN crystal; and a computing device. While the PPLN crystal is receiving laser input, temperature of the PPLN crystal is changed using the temperature control device. The computing device monitors the temperature of the PPLN crystal and corresponding power of the temperature control device during the changing, the temperature monitored using the temperature sensor. The computing device determines one or more of operating conditions of the temperature control device and an operating temperature of the PPLN crystal from a function of the power vs. the temperature.

Abstract translation: 提供一种用于自动确定激光系统中周期性极化的铌酸锂晶体的操作条件的方法，系统和装置。 该系统包括：激光器; 用于接收来自激光器的激光输入的周期性极化铌酸锂（PPLN）晶体; 用于调节PPLN晶体的温度的温度控制装置; 用于监测PPLN晶体的温度的温度传感器; 和计算设备。 当PPLN晶体接收激光输入时，使用温度控制装置改变PPLN晶体的温度。 计算设备在更换期间监控PPLN晶体的温度和温度控制器件的相应功率，使用温度传感器监测温度。 计算装置根据功率与温度的函数确定温度控制装置的一个或多个操作条件和PPLN晶体的操作温度。

公开(公告)号：US08659815B2

公开(公告)日：2014-02-25

申请号：US13377123

申请日：2010-06-09

Applicant: Alexander Sahm ,  Martin Maiwald ,  Christian Fiebig ,  Katrin Paschke

Inventor： Alexander Sahm ,  Martin Maiwald ,  Christian Fiebig ,  Katrin Paschke

IPC: G02F1/35

CPC classification number: G02F1/3501 ,  G02F2001/3505 ,  G02F2001/3546 ,  G02F2203/60 ,  Y10T156/10

Abstract: The invention relates to an optical bank (1) comprising a carrier (10) for receiving optical components (60, 70) and a crystal (30) that is mechanically connected to the carrier, for changing the frequency of the light irradiated into the crystal (30) from a light source (50). Two rails (12) are arranged essentially in parallel on the carrier (10). The crystal (30) and the carrier (10) are mechanically connected by a surface of the rails (12), facing away from the carrier (10). A heat conducting element (20) is arranged on the crystal, said heat conducting element being applied to the surfaces of the rails (12), that face away from the carrier (10).

Abstract translation: 本发明涉及一种光学存储体（1），其包括用于接收光学部件（60,70）的载体（10）和机械地连接到载体的晶体（30），用于改变照射到晶体中的光的频率 （30）从光源（50）。 两个轨道（12）基本上平行地布置在载体（10）上。 晶体（30）和载体（10）通过轨道（12）的表面机械连接，背离载体（10）。 导热元件（20）布置在晶体上，所述导热元件被施加到轨道（12）的远离载体（10）的表面。

公开(公告)号：US20130202245A1

公开(公告)日：2013-08-08

申请号：US13739007

申请日：2013-01-11

Applicant: Advantest Corporation

Inventor： Takao SAKURAI

IPC: G02F1/335

CPC classification number: G02F1/335 ,  G02F1/33 ,  G02F1/3534 ,  G02F1/3558 ,  G02F1/3775 ,  G02F2001/3546 ,  G02F2001/3548 ,  G02F2203/05 ,  G02F2203/24 ,  G02F2203/58

Abstract: In order to create a stable non-linear optical effect with high efficiency for a plurality of input lights having different wavelengths, according to a first aspect of the present invention, provided is a wavelength conversion apparatus comprising an input section into which input light is input; a wavelength converting section that includes a polarity inverting structure whose polarity inverts periodically and that, in response to the input of light having a wavelength corresponding to the period with which the polarity inverts, converts the wavelength of the light; and a direction changing section that changes a progression direction in which the input light passes through the polarity inverting structure, according to the wavelength of the input light, without changing relative positions of the input section and the polarity inverting structure. Also provided are a light source apparatus and a wavelength converting method.

Abstract translation: 为了对于具有不同波长的多个输入光产生高效率的稳定的非线性光学效果，根据本发明的第一方面，提供了一种波长转换装置，其包括输入光输入的输入部分 ; 波长转换部分包括极性反转结构，其极性周期性反转，并且响应于具有对应于极性反转的周期的波长的光的输入，转换光的波长; 以及方向改变部，其根据输入光的波长，改变输入光通过极性反转结构的前进方向，而不改变输入部和极性反转结构的相对位置。 还提供了一种光源装置和波长转换方法。

公开(公告)号：US20110280512A1

公开(公告)日：2011-11-17

申请号：US13108133

申请日：2011-05-16

Applicant: Yosuke ABE ,  Masafumi Ide ,  Toru Takizawa ,  Takaaki Nozaki

Inventor： Yosuke ABE ,  Masafumi Ide ,  Toru Takizawa ,  Takaaki Nozaki

IPC: G02B6/12

CPC classification number: H01S5/02248 ,  G02F1/0147 ,  G02F1/025 ,  G02F1/377 ,  G02F2001/3546 ,  H01S5/0092

Abstract: In an optical device 1 in which a wavelength converting element 20 is disposed as an optical element on a silicon substrate 10, configuration includes heaters 40a and 40b formed on the silicon substrate 10; and micro bumps 30a, 30b that are made of Au, that bond the silicon substrate 10 and the wavelength converting element 20, and that transfer the heat generated by the heaters 40a, 40b to the wavelength converting element 20.

Abstract translation: 在其中将波长转换元件20作为光学元件设置在硅基板10上的光学装置1中，构造包括形成在硅基板10上的加热器40a和40b; 以及由Au制成的微凸块30a，30b，其接合硅衬底10和波长转换元件20，并将由加热器40a，40b产生的热量传递到波长转换元件20。

公开(公告)号：US20110243161A1

公开(公告)日：2011-10-06

申请号：US12753009

申请日：2010-04-01

Applicant: Derek A. TUCKER ,  Dahv Kliner ,  Lawrence E. Myers ,  Martin H. Muendel

Inventor： Derek A. TUCKER ,  Dahv Kliner ,  Lawrence E. Myers ,  Martin H. Muendel

IPC: H01S3/10

CPC classification number: G02F1/3525 ,  G02F1/3544 ,  G02F2001/3546 ,  H01S3/0092 ,  H01S3/109

Abstract: The invention relates to a laser system including a nonlinear crystal having a first length portion and a second length portion. The nonlinear crystal disposed to receive input light from the laser for converting the input light into frequency converted light; wherein the nonlinear crystal is configured so that the first length portion of the nonlinear crystal is phase matching for the input light and the frequency converted light, and the second length portion of the nonlinear crystal is phase mismatching for the input light and the frequency converted light. Phase mismatching means may include a temperature controlling board, a clamp, or electrodes.

Abstract translation: 本发明涉及一种包括具有第一长度部分和第二长度部分的非线性晶体的激光系统。 非线性晶体被设置为接收来自激光器的输入光，以将输入光转换成变频光; 其中非线性晶体被配置为使得非线性晶体的第一长度部分是用于输入光和变换光的相位匹配，并且非线性晶体的第二长度部分是用于输入光和频率转换光的相位失配 。 相位失配装置可包括温度控制板，夹具或电极。