公开(公告)号：US20150171970A1

公开(公告)日：2015-06-18

申请号：US14574202

申请日：2014-12-17

Applicant: SEIKO EPSON CORPORATION

Inventor： Hitoshi NAKAYAMA

IPC: H04B10/508 ,  H01S5/34

CPC classification number: H04B10/90 ,  H01S5/0057 ,  H01S5/0092

Abstract: A short optical pulse generator includes: an optical pulse generation unit which generates an optical pulse; a semiconductor saturable absorption mirror which has a multilayer film mirror and a quantum well structure and reflects the optical pulse; and a group velocity dispersion unit which produces a group velocity difference according to wavelength in the optical pulse reflected by the semiconductor saturable absorption mirror.

Abstract translation: 短脉冲发生器包括：产生光脉冲的光脉冲产生单元; 半导体可饱和吸收镜，其具有多层膜反射镜和量子阱结构并反射光脉冲; 以及组散射单元，其根据由半导体可饱和吸收镜反射的光脉冲中的波长产生组速度差。

公开(公告)号：US20150168296A1

公开(公告)日：2015-06-18

申请号：US14574069

申请日：2014-12-17

Applicant: SEIKO EPSON CORPORATION

Inventor： Hitoshi NAKAYAMA

IPC: G01N21/3581 ,  G02B13/00 ,  G21K5/04

CPC classification number: G01N21/3581

Abstract: A short optical pulse generator includes: an optical pulse generation unit which generates an optical pulse; a frequency chirping unit which chirps the frequency of the optical pulse; and a group velocity dispersion unit which produces a group velocity difference according to wavelength in the optical pulse chirped by the frequency chirping unit, wherein the group velocity dispersion unit includes a group velocity dispersion medium on which the optical pulse chirped by the frequency chirping unit is incident, and a first reflection mirror and a second reflection mirror which are provided with the group velocity dispersion medium sandwiched therebetween, and the optical pulse incident on the group velocity dispersion medium is reflected by the first reflection mirror and the second reflection mirror multiple times and travels in the group velocity dispersion medium.

Abstract translation: 短脉冲发生器包括：产生光脉冲的光脉冲产生单元; 啁啾光脉冲的频率的频率啁啾单元; 以及组速度分散单元，其根据由所述频率啁啾单元啁啾的所述光脉冲中的波长产生组速度差，其中所述组速度色散单元包括组速度色散介质，所述组速度色散介质，所述频率啁啾单元啁啾的光脉冲为 入射到组速度分散介质上的光脉冲被第一反射镜和第二反射镜多次反射，并且第一反射镜和第二反射镜被设置有夹在其间的群速度色散介质，并且 在组速度分散介质中行进。

公开(公告)号：US20130120584A1

公开(公告)日：2013-05-16

申请号：US13673345

申请日：2012-11-09

Applicant: Seiko Epson Corporation

Inventor： Hitoshi NAKAYAMA

IPC: H01S5/00 ,  H04N5/33 ,  G01N21/17

CPC classification number: H01S5/0057 ,  G01N21/17 ,  G01N21/3586 ,  H01S5/0092 ,  H01S5/026 ,  H01S5/0265 ,  H01S5/0601 ,  H01S5/1003 ,  H01S5/1085 ,  H01S5/4031 ,  H01S2301/17 ,  H04N5/2256 ,  H04N5/33 ,  H04N5/335

Abstract: A short light pulse generating device includes a light pulse generating part, a first pulse compressing part, a second pulse compressing part, and an amplifying part. The light pulse generating part is configured to generate light pulses, the light pulse generating part being a super luminescent diode. The first pulse compressing part is configured to perform pulse compression based on saturable absorption on the light pulses generated by the light pulse generating part. The second pulse compressing part is configured to perform pulse compression based on group velocity dispersion compensation on the light pulses that underwent the pulse compression by the first pulse compressing part. The amplifying part is provided between the first pulse compressing part and the second pulse compressing part, and configured to amplify the light pulses that underwent the pulse compression by the first pulse compressing part.

Abstract translation: 短脉冲产生装置包括光脉冲产生部分，第一脉冲压缩部分，第二脉冲压缩部分和放大部分。 光脉冲产生部分被配置为产生光脉冲，光脉冲发生部分是超发光二极管。 第一脉冲压缩部被配置为基于由光脉冲产生部产生的光脉冲的可饱和吸收进行脉冲压缩。 第二脉冲压缩部被配置为基于通过第一脉冲压缩部进行脉冲压缩的光脉冲基于组速度色散补偿执行脉冲压缩。 放大部分设置在第一脉冲压缩部分和第二脉冲压缩部分之间，并被配置为放大由第一脉冲压缩部分进行脉冲压缩的光脉冲。

公开(公告)号：US20190299428A1

公开(公告)日：2019-10-03

申请号：US16372639

申请日：2019-04-02

Applicant: Seiko Epson Corporation

Inventor： Hitoshi NAKAYAMA

IPC: B25J19/02 ,  G01S17/08 ,  B25J13/08

Abstract: A robot includes an optical signal transmission apparatus that transmits optical signals. The optical signal transmission apparatus includes a light emitting device that emits light, a light receiving device that receives light and outputs a signal, and an amplifier circuit that amplifies the signal output from the light receiving device, wherein the amplifier circuit is placed between the light emitting device and the light receiving device. Further, a distance between the light receiving device and the amplifier circuit is smaller than a distance between the light emitting device and the amplifier circuit.

公开(公告)号：US20150372440A1

公开(公告)日：2015-12-24

申请号：US14748053

申请日：2015-06-23

Applicant: SEIKO EPSON CORPORATION

Inventor： Hitoshi NAKAYAMA

IPC: H01S3/00 ,  G02B5/18 ,  H04N5/30 ,  G02F1/017 ,  G02F1/355 ,  G01J5/10 ,  G02B1/11

CPC classification number: G02F1/3556 ,  G01J3/42 ,  G02B1/11 ,  G02B5/1814 ,  G02B5/1861 ,  G02F1/017 ,  G02F1/3511 ,  G02F1/365 ,  G02F2201/17 ,  G02F2201/346 ,  G02F2202/101 ,  G02F2202/108 ,  G02F2203/26 ,  H01S5/0057

Abstract: A short optical pulse generating apparatus includes: an optical pulse generating portion that generates an optical pulse; and a pulse compressing portion to which the optical pulse is incident and that decreases the pulse width of the optical pulse, wherein the pulse compressing portion includes a quantum well layer, group velocity dispersion layers that are stacked to interpose the quantum well layer therebetween and are formed with a group velocity dispersion medium, and reflective layers that are provided to interpose the quantum well layer and the group velocity dispersion layers in a stacking direction of the quantum well layer and the group velocity dispersion layers.

Abstract translation: 一种短光脉冲发生装置，包括：产生光脉冲的光脉冲产生部; 以及脉冲压缩部分，光脉冲入射到该脉冲压缩部分，并且减小了光脉冲的脉冲宽度，其中脉冲压缩部分包括量子阱层，堆叠在其间插入量子阱层的群速度色散层， 形成有组速度分散介质，以及反射层，其设置成在量子阱层和群速度色散层的层叠方向上插入量子阱层和群速度色散层。

公开(公告)号：US20140264024A1

公开(公告)日：2014-09-18

申请号：US14205053

申请日：2014-03-11

Applicant: Seiko Epson Corporation

Inventor： Hitoshi NAKAYAMA

IPC: G01J5/02 ,  G01N21/59

CPC classification number: G01N21/3581 ,  B07C5/3416 ,  G01N21/9508 ,  G01N2021/845

Abstract: A specimen inspection apparatus includes: a transportation unit which includes a transportation surface on which a specimen as an inspection object is loaded and is configured so as to transport the specimen; a terahertz wave generation unit which is positioned on the transportation surface side of the transportation unit and generates a terahertz wave; and a terahertz wave detection unit which is positioned on a side of a surface opposite the transportation surface of the transportation unit, and detects a terahertz wave which is emitted from the terahertz wave generation unit and transmits through the specimen loaded on the transportation surface, wherein the transportation unit includes a hole portion through which the transportation surface and the surface opposite the transportation surface communicate with each other, and is configured so that the specimen can be loaded on the hole portion.

Abstract translation: 试样检查装置包括：运送单元，其具有装载作为检查对象的试样的输送面，构成为输送试样; 太赫兹波产生单元，其位于运输单元的运输表面侧并产生太赫兹波; 以及太赫兹波检测单元，其位于与所述输送单元的输送面相反的一侧的表面，并且检测从所述太赫兹波发生单元发射的太赫兹波，并透过所述载运在所述输送面上的试样， 所述输送单元包括孔部，所述输送面和与所述输送面相反的表面通过所述孔部彼此连通，并且构造成使得所述检体能够被装载在所述孔部。

公开(公告)号：US20140061470A1

公开(公告)日：2014-03-06

申请号：US14015216

申请日：2013-08-30

Applicant: SEIKO EPSON CORPORATION

Inventor： Hitoshi NAKAYAMA

IPC: H01S5/343 ,  G01N21/84 ,  H04N5/30

CPC classification number: H01S5/343 ,  B82Y20/00 ,  G01N21/3581 ,  G01N21/84 ,  H01S5/0057 ,  H01S5/026 ,  H01S5/0602 ,  H01S5/0604 ,  H01S5/065 ,  H01S5/1032 ,  H01S5/12 ,  H01S5/34353 ,  H04N5/30

Abstract: A short optical pulse generator which includes an optical pulse generation portion that has a quantum well structure and generates an optical pulse, a frequency chirp portion that has a quantum well structure and chirps a frequency of the optical pulse, and a group velocity dispersion portion that includes a plurality of optical waveguides disposed in a mode coupling distance and which causes a group velocity difference corresponding to a wavelength in the optical pulse of which the frequency is chirped.

Abstract translation: 一种短光脉冲发生器，其包括具有量子阱结构并产生光脉冲的光脉冲产生部分，具有量子阱结构并啁啾光脉冲频率的频率啁啾部分和组速度分散部分， 包括以模式耦合距离设置的多个光波导，其导致对应于频率被啁啾的光脉冲中的波长的组速度差。