公开(公告)号：US20170160487A1

公开(公告)日：2017-06-08

申请号：US15441512

申请日：2017-02-24

Applicant: Corning Optical Communications LLC

Inventor： Sterling Michael Clarke ,  John Joseph Costello, III ,  En Hong ,  Garrett Andrew Piech ,  Michael Brian Webb ,  Elvis Alberto Zambrano

IPC: G02B6/38 ,  G01M11/00

CPC classification number: G02B6/385 ,  G01B11/14 ,  G01M11/33 ,  G02B6/3834 ,  G02B6/3843

Abstract: Systems and methods of measuring ferrule-core concentricity for an optical fiber held by a ferrule are disclosed. The method includes: generating ferrule distance data by measuring distances to a ferrule outside surface as a function of rotation angle using a distance sensor and rotating either the ferrule or the distance sensor about an axis of rotation that is off-center from the true ferrule axis; aligning the axis of rotation with the fiber core; using the ferrule distance data to determine a position of the true ferrule center relative to the optical fiber core; and measuring the concentricity as the distance between the true center of the ferrule and the optical fiber core.

公开(公告)号：US20190321922A1

公开(公告)日：2019-10-24

申请号：US16459041

申请日：2019-07-01

Applicant: Corning Optical Communications LLC

Inventor： Dana Craig Bookbinder ,  Boyang Lin ,  Garrett Andrew Piech ,  Steven Ross Sims ,  James Scott Sutherland ,  Michael Brian Webb ,  Elvis Alberto Zambrano

IPC: B23K26/384 ,  B23K26/00 ,  B23K26/362 ,  G02B6/38

Abstract: Methods of reshaping ferrules used in optical fiber cables assemblies are disclosed. The reshaping methods reduce a core-to-ferrule concentricity error (E), which improves coupling efficiency and optical transmission. The methods include measuring a true center of the ferrule, wherein the true center is based on an outer surface of the ferrule; and reshaping at least a portion of the ferrule to change the true center of the ferrule, wherein the reshaping includes enlarging a portion of the ferrule. A variety of reshaping techniques are also disclosed.

公开(公告)号：US10072972B2

公开(公告)日：2018-09-11

申请号：US15413745

申请日：2017-01-24

Applicant: Corning Optical Communications LLC

Inventor： Adam Joseph Fusco ,  Daniel Ohen Ricketts ,  James Scott Sutherland ,  Neil David Vance ,  Elvis Alberto Zambrano

IPC: G01N21/00 ,  G01J1/30 ,  G01J1/02 ,  G01J1/04 ,  G02B6/42 ,  H04B10/079 ,  G02B6/38 ,  G01M11/00

CPC classification number: G01J1/30 ,  G01J1/0271 ,  G01J1/0425 ,  G01M11/30 ,  G01M11/33 ,  G02B6/3829 ,  G02B6/385 ,  G02B6/3874 ,  G02B6/4225 ,  H04B10/0795

Abstract: A non-contact method of measuring an insertion loss of a DUT connector is disclosed. The DUT connector has a first ferrule with a first optical fiber and a first end face. The method utilizes a reference connector having a second ferrule with a second optical fiber and a second end face. The method includes: axially aligning the first and second ferrules so that the first and second end faces are confronting and spaced apart to define a gap with an axial gap distance d; measuring values of the insertion loss between the first and second optical fibers for different gap distances d>0; and estimating a value for the insertion loss for a gap distance of d=0 based on the measured values of the insertion loss when d>0.

公开(公告)号：US09645044B2

公开(公告)日：2017-05-09

申请号：US14501542

申请日：2014-09-30

Applicant: CORNING OPTICAL COMMUNICATIONS LLC

Inventor： Adam Joseph Fusco ,  Daniel Ohen Ricketts ,  James Scott Sutherland ,  Neil David Vance ,  Elvis Alberto Zambrano

IPC: G01M11/00 ,  G02B6/38

CPC classification number: G01M11/30 ,  G01M11/33 ,  G02B6/385

Abstract: A controlled-contact method of measuring an insertion loss of a compressible DUT having a first ferrule with a first optical fiber and a first end face is disclosed. The method utilizes a compressible reference connector having a second ferrule with a second optical fiber and a second end face. The method includes: axially aligning the first and second ferrules to define a gap with an axial gap distance of greater than 150 μm; moving the reference connector at a connector velocity in the range from 1 mm/s to 5 mm/s; when the gap distance is less than 150 μm, reducing the connector velocity to between 10 μm/s and 500 μm/s until contact while continuing to measure the coupled optical power; after contact, increasing the connector velocity as the reference and DUT connector axially compress. The insertion loss is determined from ongoing measurements of the coupled optical power.

公开(公告)号：US09442005B2

公开(公告)日：2016-09-13

申请号：US14447133

申请日：2014-07-30

Applicant: CORNING OPTICAL COMMUNICATIONS LLC

Inventor： Adam Joseph Fusco ,  Daniel Ohen Ricketts ,  James Scott Sutherland ,  Neil David Vance ,  Elvis Alberto Zambrano

IPC: G01N21/00 ,  G01J1/30 ,  G01J1/02 ,  G01J1/04 ,  G02B6/42 ,  G01M11/00 ,  H04B10/079 ,  G02B6/38

CPC classification number: G01J1/30 ,  G01J1/0271 ,  G01J1/0425 ,  G01M11/30 ,  G01M11/33 ,  G02B6/3829 ,  G02B6/385 ,  G02B6/3874 ,  G02B6/4225 ,  H04B10/0795

Abstract: A non-contact method of measuring an insertion loss of a DUT connector is disclosed. The DUT connector has a first ferrule with a first optical fiber and a first end face. The method utilizes a reference connector having a second ferrule with a second optical fiber and a second end face. The method includes: axially aligning the first and second ferrules so that the first and second end faces are confronting and spaced apart to define a gap with an axial gap distance d; measuring values of the insertion loss between the first and second optical fibers for different gap distances d>0; and estimating a value for the insertion loss for a gap distance of d=0 based on the measured values of the insertion loss when d>0.

Abstract translation: 公开了一种测量DUT连接器的插入损耗的非接触方法。 DUT连接器具有带有第一光纤和第一端面的第一套圈。 该方法利用具有带有第二光纤和第二端面的第二套圈的参考连接器。 该方法包括：轴向对准第一和第二套圈，使得第一和第二端面面对并间隔开以限定具有轴向间隙距离d的间隙; 测量不同间隙距离d> 0的第一和第二光纤之间的插入损耗的值; 并且当d> 0时，基于插入损耗的测量值，估计针对d = 0的间隙距离的插入损耗的值。

公开(公告)号：US20160061690A1

公开(公告)日：2016-03-03

申请号：US14472954

申请日：2014-08-29

Applicant: CORNING OPTICAL COMMUNICATIONS LLC

Inventor： Robert Bruce Elkins, II ,  James Scott Sutherland ,  Elvis Alberto Zambrano

IPC: G01M11/00

CPC classification number: G01M11/30 ,  G01M11/33 ,  G02B6/385

Abstract: A non-contact method of measuring an insertion loss of a device-under-test (DUT) connector is disclosed. The method includes arranging the DUT connector and a reference connector so that their respective ferrule ends are confronting and spaced apart. The method also includes moving the reference and DUT connectors closer together while measuring the insertion loss and while also actively maintaining alignment of the first and second ferrules using a position measurement system. The insertion loss for the DUT connector is obtained by estimating a value for the insertion loss at a position where the end faces of the reference and connector ferrules would come into contact.

Abstract translation: 公开了测量被测设备（DUT）连接器的插入损耗的非接触方法。 该方法包括布置DUT连接器和参考连接器，使得其相应的套圈端面对并间隔开。 该方法还包括在测量插入损耗的同时将参考和DUT连接器更靠近移动，同时还使用位置测量系统主动地保持第一和第二套圈的对准。 DUT连接器的插入损耗通过估计在基准端子和连接器套圈的端面将接触的位置处的插入损耗的值来获得。

公开(公告)号：US20160033325A1

公开(公告)日：2016-02-04

申请号：US14447133

申请日：2014-07-30

Applicant: CORNING OPTICAL COMMUNICATIONS LLC

Inventor： Adam Joseph Fusco ,  Daniel Ohen Ricketts ,  James Scott Sutherland ,  Neil David Vance ,  Elvis Alberto Zambrano

IPC: G01J1/30 ,  G01J1/04 ,  G01J1/02

CPC classification number: G01J1/30 ,  G01J1/0271 ,  G01J1/0425 ,  G01M11/30 ,  G01M11/33 ,  G02B6/3829 ,  G02B6/385 ,  G02B6/3874 ,  G02B6/4225 ,  H04B10/0795

Abstract: A non-contact method of measuring an insertion loss of a DUT connector is disclosed. The DUT connector has a first ferrule with a first optical fiber and a first end face. The method utilizes a reference connector having a second ferrule with a second optical fiber and a second end face. The method includes: axially aligning the first and second ferrules so that the first and second end faces are confronting and spaced apart to define a gap with an axial gap distance d; measuring values of the insertion loss between the first and second optical fibers for different gap distances d>0; and estimating a value for the insertion loss for a gap distance of d=0 based on the measured values of the insertion loss when d>0.

Abstract translation: 公开了一种测量DUT连接器的插入损耗的非接触方法。 DUT连接器具有带有第一光纤和第一端面的第一套圈。 该方法利用具有带有第二光纤和第二端面的第二套圈的参考连接器。 该方法包括：轴向对准第一和第二套圈，使得第一和第二端面面对并间隔开以限定具有轴向间隙距离d的间隙; 测量不同间隙距离d> 0的第一和第二光纤之间的插入损耗的值; 并且当d> 0时，基于插入损耗的测量值，估计针对d = 0的间隙距离的插入损耗的值。