公开(公告)号：EP2361553B1

公开(公告)日：2018-09-26

申请号：EP09834575.4

申请日：2009-07-30

Applicant: Sumitomo Electric Industries, Ltd.

Inventor： NAGAI, Youichi ,  IGUCHI, Yasuhiro

IPC: A61B5/1455 ,  G01J1/02 ,  G01N21/17 ,  G01N21/35 ,  H01L31/10

CPC classification number: A61B5/1455 ,  A61B5/14532 ,  G01J3/0218 ,  G01J2003/2866 ,  G01N21/359 ,  G01N21/474 ,  H01L27/1446 ,  H01L31/035209 ,  H01L31/1035

Abstract: Provided is a biological component detection device with which a biological component can be detected at high sensitivity by using an InP-based photodiode in which a dark current is reduced without using a cooling mechanism and the sensitivity is extended to a wavelength of 1.8 µm or more. An absorption layer 3 has a multiple quantum well structure composed of group III-V semiconductors, a pn-junction 15 is formed by selectively diffusing an impurity element in the absorption layer, and the concentration of the impurity element in the absorption layer is 5 × 10 16 /cm 3 or less. The biological component detection device is characterized in that an examination is conducted by receiving light having at least one wavelength of 3 µm or less, the wavelength being included in an absorption band of the biological component.

公开(公告)号：EP3356774A1

公开(公告)日：2018-08-08

申请号：EP16886644.0

申请日：2016-12-01

Applicant: Iism Inc.

Inventor： JIN, Seung Min ,  YANG, Il Seung ,  BAE, Yun Mi ,  PARK, Seong Oak ,  KIM, Yu Sic ,  CHOI, Du Cheon ,  HAN, Mu Hyeop

IPC: G01J3/02 ,  G01J3/12

CPC classification number: G01J3/2803 ,  G01J3/0208 ,  G01J3/0218 ,  G01J3/0289 ,  G01J3/12 ,  G01J2003/1204

Abstract: A spectrophotometer is provided, which comprises a receiving part diffusing an incident light, a first broadband filter group, and a detector detecting the light having passed through the first broadband filter group, in order to easily select and detect a plurality of lights having specific wavelengths, wherein the first broadband filter group comprises a first broadband filter arranged to have a first angle with respect to an incident direction of light to enable the incident light to pass through a first wavelength band, a second broadband filter arranged to have a second angle, which is different from the first angle, with respect to an incident direction of light to enable the light having passed through the first broadband filter to pass through a second wavelength band, and a first path compensation means for adjusting a path of the light having passed through the second broadband filter to be identical to a path of the light having passed through the first broadband filter, wherein the first broadband filter, the second broadband filter and the first path compensation means are arranged in series with respect to the incident direction of light. Accordingly, it is possible to increase the efficiency of the outputted light compared to the incident light, and to detect a plurality of lights having the desired specific wavelengths at the same time.

公开(公告)号：EP1726070B1

公开(公告)日：2018-07-18

申请号：EP04810798.1

申请日：2004-11-12

Applicant: BWT Property, Inc.

Inventor： WANG, Sean Xiaolu ,  ZHOU, Xin Jack

IPC: G01J3/02 ,  G01J3/433 ,  G01J3/10 ,  G01J3/18 ,  G01J3/44 ,  G01N21/65 ,  G02F1/35 ,  H01S3/109 ,  H01S5/00 ,  H01S5/14 ,  H01S5/20 ,  H01S5/40

CPC classification number: G01J3/10 ,  G01J3/02 ,  G01J3/0205 ,  G01J3/0208 ,  G01J3/0218 ,  G01J3/0227 ,  G01J3/1895 ,  G01J3/433 ,  G01J3/44 ,  G01N21/65 ,  G02F2001/3542 ,  H01S3/109 ,  H01S5/0092 ,  H01S5/141 ,  H01S5/146 ,  H01S5/147 ,  H01S5/2036 ,  H01S5/4012

Abstract: An apparatus for measuring properties of physical matters by means of Raman spectroscopy including a laser element, a wavelength dispersion element, an array or single element detector, and a control and data processing unit. The laser element, which is used to excite Raman scattering, is spectrum narrowed and stabilized by attachment of a Bragg grating device. The grating can be either a volume Bragg grating (VBG) written inside a glass substrate or a fiber Bragg grating (FBG) written inside an optical fiber. A laser element can be provided with a wavelength modulation capability for fluorescence background suppression.

公开(公告)号：EP2959503B1

公开(公告)日：2018-05-30

申请号：EP14753960.5

申请日：2014-02-21

Applicant: Kla-Tencor Corporation

Inventor： BRADY, Gregory ,  SHCHEGROV, Andrei V. ,  ROTTER, Lawrence D. ,  SHAUGHNESSY, Derrick ,  SHCEMELININ, Anatoly ,  BEZEL, Ilya ,  ARAIN, Muzammil ,  VASILIEV, Anatoly ,  ALLEN, James ,  SHULEPOV, Oleg ,  HILL, Andrew ,  BACHAR, Ohad ,  MARKOWITZ, Moshe ,  ISH-SHALOM, Yaron ,  SELA, Ilan ,  MANASSEN, Amnon ,  SVIZHER, Alexander ,  KHOKHLOV, Maxim ,  ABRAMOV, Avi ,  TSIBULEVSKY, Oleg ,  KANDEL, Daniel ,  GHINOVKER, Mark

IPC: G01J3/10 ,  G01J3/12 ,  H01J65/04 ,  G01J3/02 ,  G02B6/35 ,  F21V13/00 ,  F21V13/08 ,  F21V13/12 ,  G02B6/293

CPC classification number: G01J3/10 ,  F21V13/00 ,  F21V13/08 ,  F21V13/12 ,  G01J3/0218 ,  G01J3/12 ,  G02B6/29332 ,  G02B6/29362 ,  G02B6/29388 ,  G02B6/29395 ,  G02B6/3508 ,  G02B6/353 ,  H01J65/04

Abstract: The disclosure is directed to systems for providing illumination to a measurement head for optical metrology. In some embodiments of the disclosure, illumination beams from a plurality of illumination sources are combined to deliver illumination at one or more selected wavelengths to the measurement head. In some embodiments of the disclosure, intensity and/or spatial coherence of illumination delivered to the measurement head is controlled. In some embodiments of the disclosure, illumination at one or more selected wavelengths is delivered from a broadband illumination source configured for providing illumination at a continuous range of wavelengths.

公开(公告)号：EP1949151B1

公开(公告)日：2018-05-16

申请号：EP06837744.9

申请日：2006-11-16

Applicant: Omni MedSci, Inc.

Inventor： ISLAM, Mohammed, N.

IPC: G02B6/00 ,  G02F1/35 ,  H01S3/067 ,  H01S3/30

CPC classification number: G01J3/108 ,  G01B9/02091 ,  G01J3/0218 ,  G01J3/0245 ,  G01J3/42 ,  G01J2003/102 ,  G01J2003/423 ,  G02B6/29349 ,  G02F1/365 ,  G02F2001/3528 ,  G02F2202/32 ,  H01S3/06725 ,  H01S3/06754 ,  H01S3/094007 ,  H01S3/094069 ,  H01S3/094076 ,  H01S3/1024 ,  H01S3/302 ,  H01S5/0064 ,  H01S5/0085 ,  H01S5/0092 ,  H01S5/1092 ,  H01S5/146 ,  H01S5/4012 ,  H01S2301/085

Abstract: A broadband light source includes one or more laser diodes that are capable of generating a pump signal having a wavelength shorter than 2.5 microns, a pulse width of at least 100 picoseconds and a pump optical spectral width. The light source also includes one or more optical amplifiers that are coupled to the pump signal and are capable of amplifying the pump signal to a peak power of at least 500 W. The light source further includes a first fiber that is coupled to the one or more optical amplifiers. The first fiber including an anomalous group-velocity dispersion regime and a modulational instability mechanism that operates to modulate the pump signal. In one particular embodiment, the pump signal wavelength resides in the anomalous group-velocity dispersion regime of the first fiber and where different intensities in the pump signal can cause relative motion between different parts of the modulated pump signal produced through modulational instability in the first fiber. The light source also including a nonlinear element that is coupled to the first fiber that is capable of broadening the pump optical spectral width to at least 100 nm through a nonlinear effect in the nonlinear element.

公开(公告)号：EP2766759B1

公开(公告)日：2018-05-09

申请号：EP12773292.3

申请日：2012-10-09

Applicant: Astrium Limited

Inventor： SWEENEY, Stephen ,  ZHANG, Yaping

IPC: G02B6/293 ,  G02B6/42

CPC classification number: G02B6/293 ,  G01J3/0205 ,  G01J3/0218 ,  G01J3/0259 ,  G02B6/29341

Abstract: A structure for guiding electromagnetic radiation, comprising: a substrate (230); a waveguide (220) provided on the substrate and having a first end (220a) for receiving electromagnetic radiation and a second end (220b); and an anti-reflection region (270) provided at the second end (220b) of the waveguide on the substrate, the length and the width of the anti-reflection region being optimised to suppress back reflection of radiation that reaches the second end.

公开(公告)号：EP3298453A1

公开(公告)日：2018-03-28

申请号：EP15892763.2

申请日：2015-05-19

Applicant: Newport Corporation

Inventor： KNAPP, Jamie

IPC: G02B27/10 ,  G01J1/02

CPC classification number: G01J3/0218 ,  G01J3/0208 ,  G01J3/0229 ,  G01J3/0291 ,  G01J3/2803 ,  G01J3/36 ,  G01J2003/1239 ,  G01N21/645 ,  G02B6/2938 ,  G02B6/3616 ,  G02B6/3644 ,  G02B6/3672 ,  G02B6/4215 ,  G02B27/1006 ,  G02B27/141

Abstract: Optical analysis system and methods that may include a demultiplexing assembly with a photodetector array and a plurality of optical channels configured to prevent crosstalk therebetween. Some optical analysis system embodiments may include a multiplexer operatively coupled to a demultiplexing assembly may be used to split a single optical signal into multiple optical signals, or any other suitable purpose.

公开(公告)号：EP2722659B1

公开(公告)日：2018-03-21

申请号：EP14151580.9

申请日：2010-04-27

Applicant: Picometrix, LLC

Inventor： Zimdars, David

IPC: G01J3/02 ,  G02B6/42

CPC classification number: G01J3/02 ,  G01J3/0218 ,  G01J3/0297 ,  G01J3/42 ,  G01N21/3581 ,  G01N21/3586 ,  G02B6/4206

Abstract: A system for reducing effects relating to stretching of an optical fiber, the system comprising: an optical source (18c), the optical source outputting an optical signal; a terahertz transmitter (14c) optically coupled to the optical source, the terahertz transmitter configured to emit terahertz radiation to a sample when activated by the optical signal; a terahertz receiver (15c) optically coupled to the optical source the terahertz receiver configured to detect terahertz radiation conditioned by the sample and generate an electrical signal which can be interpreted, scaled and/or digitized by a data acquisition system electrically coupled to the terahertz receiver; a means in the form of a single fibre (54c) for providing the optical signal to both the terahertz transmitter and terahertz receiver such that the terahertz receiver is synchronized to the terahertz transmitter by the optical signal; and wherein the means allows for the stretching of the optical fiber carrying the optical signal provided to the terahertz transmitter and terahertz receiver such that the terahertz receiver is synchronized to the terahertz transmitter by the optical signal.

公开(公告)号：EP3152788A4

公开(公告)日：2018-02-28

申请号：EP15807428

申请日：2015-06-09

Applicant: STC UNM

Inventor： BRUECK STEVEN R J ,  NEUMANN ALEXANDER ,  ZARKESH-HA PAYMAN

IPC: G01J1/02 ,  F21S2/00 ,  G01J3/02 ,  G01J3/18 ,  H01L33/48 ,  H01L33/58

CPC classification number: G01J1/06 ,  G01J1/44 ,  G01J3/0218 ,  G01J3/0259 ,  G01J3/18 ,  G01J3/1895 ,  G01J3/2803 ,  G01J2001/448 ,  G02B6/10 ,  G02B6/12004 ,  G02B6/122 ,  G02B6/124 ,  H01L27/1446 ,  H01L31/02019 ,  H01L31/02164 ,  H01L31/02327 ,  H01L31/103

Abstract: A 2-D sensor array includes a semiconductor substrate and a plurality of pixels disposed on the semiconductor substrate. Each pixel includes a coupling region and a junction region, and a slab waveguide structure disposed on the semiconductor substrate and extending from the coupling region to the region. The slab waveguide includes a confinement layer disposed between a first cladding layer and a second cladding layer. The first cladding and the second cladding each have a refractive index that is lower than a refractive index of the confinement layer. Each pixel also includes a coupling structure disposed in the coupling region and within the slab waveguide. The coupling structure includes two materials having different indices of refraction arranged as a grating defined by a grating period. The junction region comprises a p-n junction in communication with electrical contacts for biasing and collection of carriers resulting from absorption of incident radiation.

公开(公告)号：EP3279642A1

公开(公告)日：2018-02-07

申请号：EP17168860.9

申请日：2017-04-28

Applicant: Nuctech Company Limited

Inventor： ZHANG, Li ,  ZHAO, Ziran ,  ZHANG, Jianhong ,  WANG, Hongqiu ,  ZHANG, Yubo ,  LIU, Haihui

IPC: G01N21/65 ,  G01J3/44

CPC classification number: G01N21/65 ,  G01J3/0208 ,  G01J3/021 ,  G01J3/0218 ,  G01J3/0221 ,  G01J3/0227 ,  G01J3/0256 ,  G01J3/44 ,  G01J2003/1213 ,  G01N2201/0221 ,  G01N2201/06113 ,  G01N2201/08 ,  G01N2201/0833

Abstract: The disclosure provides a portable Raman device that includes a laser for emitting exciting light; a spectrometer for receiving Raman scattered light and converting the Raman scattered light into an electrical signal after beam splitting; a probe for leading the exciting light to irradiate on a sample and collect the Raman scattered light of the sample; and a fiber system connected between the laser and the probe as well as between the probe and the spectrometer so as to conduct light transmission. In comparison to conventional Raman devices, the portable Raman device of the disclosure has a simplified optical system, such that placement of components of the Raman device are more flexible, the whole size of the Raman device is reduced, and thus requirements of size miniaturization and quick real-time measurement are satisfied.

Abstract translation: 本发明提供一种便携式拉曼装置，其包括用于发射激发光的激光器; 分光计，用于接收拉曼散射光并在分束后将拉曼散射光转换成电信号; 探测器，用于引导激发光照射样品并收集样品的拉曼散射光; 以及连接在激光器和探针之间以及探针和光谱仪之间以进行光传输的光纤系统。 与传统的拉曼器件相比，本公开的便携式拉曼器件具有简化的光学系统，使得拉曼器件的部件的放置更加灵活，拉曼器件的整体尺寸减小，因此尺寸小型化的要求和 快速实时测量得到满足。