公开(公告)号：US20160131889A1

公开(公告)日：2016-05-12

申请号：US14898524

申请日：2014-06-20

Applicant: NEC CORPORATION

Inventor： Takao MORIMOTO ,  Takayuki SUDOU

IPC: G02B21/36 ,  G01J1/04 ,  G01J1/42

CPC classification number: G02B21/361 ,  G01J1/0407 ,  G01J1/42 ,  G01J3/0208 ,  G01J3/0216 ,  G01J3/0229 ,  G01J3/42 ,  G01N21/3581 ,  G02B21/0004

Abstract: [Object] To provide an optical device for use with coherent terahertz light, which enables to reduce and remove an unwanted interference pattern, and to acquire a terahertz image of high image quality.[Solving Means] The optical device for use with coherent terahertz light includes an optical system (2) that uses coherent terahertz light beam (1) whose frequency(ies) is/are within a range from 0.1 to 10 THz. A structure(s) (4) being located outside of effective diameter (3) of the beam (1) and including anti-reflection material (5) on an area(s) of the structure, the area(s) is/are facing to the beam (1).

Abstract translation: 提供一种用于相干太赫兹光的光学装置，其能够减少和去除不需要的干涉图案，并获得高图像质量的太赫兹图像。 [解决方案]用于相干太赫兹光的光学装置包括使用其频率在0.1至10THz范围内的相干太赫兹光束（1）的光学系统（2）。 一种结构（4）位于梁（1）的有效直径（3）的外侧，并且在该结构的一个或多个区域上包括防反射材料（5），该区域是 面向梁（1）。

公开(公告)号：US20140232931A1

公开(公告)日：2014-08-21

申请号：US14183548

申请日：2014-02-19

Applicant: NEC Corporation ,  OSAKA University ,  NIPPON Avionics Co., Ltd.

Inventor： Naoki ODA ,  Takayuki SUDOU ,  Shuichi OHKUBO ,  Goro ISOYAMA ,  Ryukou KATO ,  Akinori IRIZAWA ,  Keigo KAWASE

IPC: H04N5/232 ,  H04N5/225

CPC classification number: H04N5/232 ,  H04N5/2256 ,  H04N5/23229 ,  H04N5/2354 ,  H04N5/357

Abstract: Provided is an imaging system, including: a light source; an imaging device; a first optical system for irradiating an imaging object with light from the light source; a second optical system for causing one of light reflected from the imaging object and light transmitted through the imaging object to enter the imaging device; a control device for controlling the light source to irradiate the light with a predetermined period; and a processing device for acquiring time-series image data over a plurality of frames by controlling the light source to irradiate the light with the predetermined period, and allocating a maximum pixel intensity among the time-series pixel data of each pixel as pixel data of the each pixel to thereby obtain first image data when the light source irradiates the light.

Abstract translation: 提供一种成像系统，包括：光源; 成像装置; 第一光学系统，用于用来自光源的光照射成像物体; 第二光学系统，用于使从成像对象反射的光和透过成像对象的光中的一个进入成像装置; 用于控制光源以预定周期照射光的控制装置; 以及处理装置，用于通过控制光源以预定周期照射光来获取多个帧上的时间序列图像数据，并且将每个像素的时间序列像素数据中的最大像素强度分配为像素数据 每个像素，从而当光源照射光时获得第一图像数据。

公开(公告)号：US20160077021A1

公开(公告)日：2016-03-17

申请号：US14781208

申请日：2014-03-19

Applicant: NEC CORPORATION

Inventor： Tsutomu ISHI ,  Takayuki SUDOU ,  Taku TSUBOI

IPC: G01N21/94 ,  G01N21/88

CPC classification number: G01N21/94 ,  G01N21/8806 ,  G01N33/02 ,  G01N2201/061 ,  G01N2201/066 ,  G01N2201/068

Abstract: Disclosed is an imaging system capable of reducing the generation of interference patterns in a state in which a beam of highly coherent electromagnetic waves is enlarged to a prescribed illumination area and used for illumination by moving the prescribed illumination region within a range of motion that is smaller than the illumination region.

Abstract translation: 公开了一种成像系统，其能够在高度相干的电磁波的波长扩大到规定的照明区域的状态下减少干涉图案的产生，并且通过在规定的照明区域的移动范围内移动规定的照明区域来进行照明 比照明区域。