公开(公告)号：US20190003885A1

公开(公告)日：2019-01-03

申请号：US16100867

申请日：2018-08-10

Applicant: VIAVI Solutions Inc.

Inventor： Paula SMITH ,  Curtis R. HRUSKA ,  Benjamin F. CATCHING ,  Paul G. COOMBS

IPC: G01J3/02 ,  G02B6/42 ,  G02B5/22 ,  G01N21/85 ,  G01N21/25 ,  G02B5/30 ,  G01J3/12 ,  G01J3/26 ,  G01J3/28

Abstract: An optical assembly is disclosed including two laterally variable bandpass optical filters slacked at a fixed distance from each other, so that the upstream filter functions as a spatial filler for the downstream filter. The lateral displacement may cause a suppression of the oblique beam when transmission passbands at impinging locations of the oblique beam onto the upstream and downstream filters do not overlap. A photodetector array may be disposed downstream of the downstream filter. The optical assembly may be coupled via a variety of optical conduits or optical fibers for spectroscopic measurements of a flowing sample.

公开(公告)号：US20170038255A1

公开(公告)日：2017-02-09

申请号：US14818986

申请日：2015-08-05

Applicant: Viavi Solutions Inc.

Inventor： Paula SMITH ,  Curtis R. HRUSKA ,  Benjamin F. CATCHING ,  Paul G. COOMBS

IPC: G01J3/02 ,  G02B6/42 ,  G02B5/30 ,  G01J3/28 ,  G02B5/22

CPC classification number: G01J3/0229 ,  G01J3/0205 ,  G01J3/0208 ,  G01J3/0216 ,  G01J3/0218 ,  G01J3/0262 ,  G01J3/12 ,  G01J3/26 ,  G01J3/2803 ,  G01J2003/1213 ,  G01J2003/1217 ,  G01J2003/123 ,  G01J2003/1234 ,  G01J2003/1239 ,  G01J2003/1291 ,  G01J2003/2806 ,  G01J2003/2813 ,  G01N21/255 ,  G01N21/8507 ,  G02B5/22 ,  G02B5/3025 ,  G02B6/4215

Abstract: An optical assembly is disclosed including two laterally variable bandpass optical filters stacked at a fixed distance from each other, so that the upstream filter functions as a spatial filter for the downstream filter. The lateral displacement may cause a suppression of the oblique beam when transmission passbands at impinging locations of the oblique beam onto the upstream and downstream filters do not overlap. A photodetector array may be disposed downstream of the downstream filter. The optical assembly may be coupled via a variety of optical conduits or optical fibers for spectroscopic measurements of a flowing sample.

Abstract translation: 公开了一种光学组件，其包括彼此以固定距离堆叠的两个横向可变带通光学滤光器，使得上游滤波器用作下游滤波器的空间滤波器。 当倾斜光束的入射位置在上游和下游滤波器上的传输通带不重叠时，横向位移可能导致倾斜光束的抑制。 光电检测器阵列可以设置在下游滤波器的下游。 光学组件可以经由各种光学导管或光纤耦合，用于流动样品的光谱测量。

公开(公告)号：US20250052610A1

公开(公告)日：2025-02-13

申请号：US18929726

申请日：2024-10-29

Applicant: VIAVI Solutions Inc.

Inventor： Paula SMITH ,  Curtis R. HRUSKA ,  Benjamin F. CATCHING ,  Paul G. COOMBS

IPC: G01J3/02 ,  G01J3/12 ,  G01J3/26 ,  G01J3/28 ,  G01N21/25 ,  G01N21/85 ,  G02B5/20 ,  G02B5/22 ,  G02B5/28 ,  G02B5/30 ,  G02B6/42

Abstract: An optical assembly is disclosed including two laterally variable bandpass optical filters stacked at a fixed distance from each other, so that the upstream filter functions as a spatial filter for the downstream filter. The lateral displacement may cause a suppression of the oblique beam when transmission passbands at impinging locations of the oblique beam onto the upstream and downstream filters do not overlap. A photodetector array may be disposed downstream of the downstream filter. The optical assembly may be coupled via a variety of optical conduits or optical fibers for spectroscopic measurements of a flowing sample.

公开(公告)号：US20200340857A1

公开(公告)日：2020-10-29

申请号：US16924759

申请日：2020-07-09

Applicant: VIAVI Solutions Inc.

Inventor： Paula SMITH ,  Curtis R. HRUSKA ,  Benjamin F. CATCHING ,  Paul G. COOMBS

IPC: G01J3/02 ,  G01J3/12 ,  G01N21/25 ,  G01N21/85 ,  G01J3/26 ,  G02B5/28 ,  G02B5/20 ,  G01J3/28 ,  G02B5/22 ,  G02B5/30 ,  G02B6/42

Abstract: An optical assembly is disclosed including two laterally variable bandpass optical filters stacked at a fixed distance from each other, so that the upstream filter functions as a spatial filter for the downstream filter. The lateral displacement may cause a suppression of the oblique beam when transmission passbands at impinging locations of the oblique beam onto the upstream and downstream filters do not overlap. A photodetector array may be disposed downstream of the downstream filter. The optical assembly may be coupled via a variety of optical conduits or optical fibers for spectroscopic measurements of a flowing sample.

公开(公告)号：US20180231472A1

公开(公告)日：2018-08-16

申请号：US15951686

申请日：2018-04-12

Applicant: VIAVI Solutions Inc.

Inventor： Benjamin F. CATCHING ,  Marc K. VON GUNTEN ,  Curtis R. HRUSKA ,  Paula SMITH ,  Paul G. COOMBS

IPC: G01N21/85 ,  G01J3/02 ,  G01J3/12 ,  G01N21/27

CPC classification number: G01N21/85 ,  G01J3/0289 ,  G01J3/0291 ,  G01J3/12 ,  G01J2003/123 ,  G01J2003/1234 ,  G01N21/27 ,  G01N21/8507 ,  G01N2201/061 ,  G01N2201/062 ,  G01N2201/068

Abstract: Increasing the precision of process monitoring may be improved if the sensors take the form of travelling probes riding along with the flowing materials in the manufacturing process rather than sample only when the process moves passed the sensors fixed location. The probe includes an outer housing hermetically sealed from the flowing materials, and a light source for transmitting light through a window in the housing onto the flowing materials. A spatially variable optical filter (SVF) captures light returning from the flowing materials, and separates the captured light into a spectrum of constituent wavelength signals for transmission to a detector array, which provides a power reading for each constituent wavelength signal.

公开(公告)号：US20170219430A1

公开(公告)日：2017-08-03

申请号：US15488948

申请日：2017-04-17

Applicant: Viavi Solutions, Inc.

Inventor： Curtis R. HRUSKA ,  Benjamin F. CATCHING ,  Paula SMITH

IPC: G01J3/02 ,  G02B5/28 ,  G01J3/26 ,  G01J3/12 ,  G01J3/28

CPC classification number: G01J3/0229 ,  G01J3/0208 ,  G01J3/0259 ,  G01J3/0262 ,  G01J3/12 ,  G01J3/26 ,  G01J3/2803 ,  G01J2003/1213 ,  G01J2003/1221 ,  G01J2003/1234 ,  G01J2003/2813 ,  G02B5/285

Abstract: An optical filter is disclosed including two laterally variable bandpass filters stacked at a fixed distance from each other, so that the upstream filter functions as a spatial filter for the downstream filter. This happens because an oblique beam transmitted by the upstream filter is displaced laterally when impinging on the downstream filter. The lateral displacement causes a suppression of the oblique beam when transmission passbands at impinging locations of the oblique beam onto the upstream and downstream filters do not overlap.

公开(公告)号：US20170038305A1

公开(公告)日：2017-02-09

申请号：US14819179

申请日：2015-08-05

Applicant: Viavi Solutions Inc.

Inventor： Benjamin F. CATCHING ,  Marc K. VON GUNTEN ,  Curtis R. HRUSKA ,  Paula SMITH ,  Paul G. COOMBS

IPC: G01N21/85 ,  G01N21/27

CPC classification number: G01N21/85 ,  G01J3/0289 ,  G01J3/0291 ,  G01J3/12 ,  G01J2003/123 ,  G01J2003/1234 ,  G01N21/27 ,  G01N21/8507 ,  G01N2201/061 ,  G01N2201/062 ,  G01N2201/068

Abstract: Increasing the precision of process monitoring may be improved if the sensors take the form of travelling probes riding along with the flowing materials in the manufacturing process rather than sample only when the process moves passed the sensors fixed location. The probe includes an outer housing hermetically sealed from the flowing materials, and a light source for transmitting light through a window in the housing onto the flowing materials. A spatially variable optical filter (SVF) captures light returning from the flowing materials, and separates the captured light into a spectrum of constituent wavelength signals for transmission to a detector array, which provides a power reading for each constituent wavelength signal.

Abstract translation: 如果传感器在制造过程中采用与流动材料一起骑行的形式，而不是仅在过程移动通过传感器固定位置时采样，则可提高过程监控的精度。 探头包括与流动材料密封的外壳体，以及用于将光通过壳体中的窗口传输到流动材料上的光源。 空间可变滤光器（SVF）捕获从流动材料返回的光，并将捕获的光分离成一组波长信号，以传输到检测器阵列，该检测器阵列为每个构成波长信号提供功率读数。