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公开(公告)号：US20240319448A1
公开(公告)日：2024-09-26
申请号：US18187857
申请日：2023-03-22
IPC分类号： G02B6/38 , H04B10/079
CPC分类号： G02B6/385 , H04B10/0791
摘要： An optical cable misplug error detection and remediation process is provided which includes detecting, by at least one processor, an optical cable misplug error in a connection path between optical transceivers of a computing network, where the connection path includes one or more optical cables. The detecting includes evaluating operation of an optical transceiver of the connection path. The evaluating includes determining whether a receive lane of the optical transceiver is receiving a signal during evaluating operation of the optical transceiver, and detecting the optical cable misplug error where the receive lane of the optical transceiver is not receiving the signal. The process further includes identifying, by the at least one processor based on detecting the optical cable misplug error, a location of a misplugged optical cable in the connection path between the optical transceiver of the computing network.
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公开(公告)号：US20230194792A1
公开(公告)日：2023-06-22
申请号：US18169312
申请日：2023-02-15
申请人： VIAVI Solutions Inc.
发明人： Kevin CASSADY
CPC分类号： G02B6/3624 , G02B6/3885 , G02B6/385 , G02B6/3825
摘要： An optical fiber inspection system may include an alignment guide having a sleeve portion and a mechanical key structure. The sleeve portion may comprise a first opening arranged to be proximal to one or more optical components in an inspection device and a second opening arranged to be distal to the one or more optical components when the alignment guide is removably engaged with the inspection device. The mechanical key structure may be located adjacent to the second opening and have a shape to engage a geometry of one or more recesses in a bulkhead. Accordingly, the alignment guide may stabilize the inspection device at a particular angle relative to an end face of an object in a field of view of the one or more optical components when a shaft of the inspection device is inserted into the bulkhead.
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3.发明公开公开(公告)号：US20230141514A1
公开(公告)日：2023-05-11
申请号：US17842175
申请日：2022-06-16
发明人： John Valdez , Steven Smith , Erwin Wardojo
IPC分类号： G02B6/38
CPC分类号： G02B6/385
摘要： Passive optical couplers having passive optical activity indicators and methods of operating the same are disclosed. An example passive optical coupler for passively coupling first and second optical fibers includes a housing including: a first port configured to receive an end of a first optical fiber, and a second port configured to receive an end of a second optical fiber; and a passive optical activity indicator positioned at least partially within the housing, wherein a first portion of the passive optical activity indicator is exposed through the housing, and wherein the passive optical activity indicator is configured to passively illuminate in response to (i) first light propagating in the first optical fiber when the end of the first optical fiber is received in the first port, and (ii) second light propagating in the second optical fiber when the end of the second optical fiber is received in the second port.
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公开(公告)号：US20190212227A1
公开(公告)日：2019-07-11
申请号：US15575726
申请日：2016-10-04
申请人： Lifodas, UAB
摘要： A digital fiber optic connector imaging system that can automatically capture two or more images of the endface of a multifiber connector, wherein the captured images as a group have sufficient resolution and a sufficient FOV to be used to perform a manual or automatic pass-fail analysis of the endface of every fiber terminated by the connector under inspection. In one or more embodiments, the imaging system comprises an illumination source that can operate at two or more wavelengths, one wavelength at a time, and a FOV-shifting component that includes one or more, fixed dichroic mirrors and one additional dichroic or broadband mirror. In other embodiments, the imaging system comprises a single-wavelength illumination source, an image beam splitter, and two or more image sensors located on two image planes.
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公开(公告)号：US20180348446A1
公开(公告)日：2018-12-06
申请号：US15610049
申请日：2017-05-31
申请人： Corning Incorporated
发明人： Yao Li , Chen Xia , Shiping Zhang
CPC分类号： G02B6/3827 , G02B6/266 , G02B6/29361 , G02B6/2937 , G02B6/3823 , G02B6/385 , G02B6/3873 , G02B6/3897
摘要： The loopback apparatus disclosed herein is used with an optical fiber system having an optical fiber cable. The loopback apparatus includes an optical fiber having input and output ends and an output optical fiber having input and output ends. The loopback apparatus also includes an optical system that defines an optical path and that is configured to optically couple the output end of the input optical fiber with the input end of the output optical fiber over the optical path. The loopback apparatus also includes a thin-film filter disposed in the optical path and configured to provide a select amount of attenuation for light traveling over the optical path. The loopback apparatus can be plugged into and unplugged from the optical fiber cable. Loopback methods for measuring the performance of the optical fiber system using the loopback apparatus are also disclosed.
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公开(公告)号：US10072972B2
公开(公告)日：2018-09-11
申请号：US15413745
申请日：2017-01-24
发明人： Adam Joseph Fusco , Daniel Ohen Ricketts , James Scott Sutherland , Neil David Vance , Elvis Alberto Zambrano
CPC分类号： G01J1/30 , G01J1/0271 , G01J1/0425 , G01M11/30 , G01M11/33 , G02B6/3829 , G02B6/385 , G02B6/3874 , G02B6/4225 , H04B10/0795
摘要： 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.
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公开(公告)号：US09964709B2
公开(公告)日：2018-05-08
申请号：US14635142
申请日：2015-03-02
CPC分类号： G02B6/385 , G01B11/272 , G01M11/088 , G02B6/00 , G02B6/3882 , G02B6/3885 , G02B6/4292 , G02B21/0056
摘要： Four fixture types are intended for alignment of multi-fiber connectors and ferrules in interferometric microscopes for measuring connector end-face geometry. A methodology of fixtures' calibration ensures validity and accuracy of measurements. First fixture type is equipped with a locking mechanism. In one embodiment it contains two guide holes and is intended for male connectors. In another embodiment intended for female connectors and ferrules it contains two removable guide pins on a bar inserted into the guide holes from back or front side of the fixture. Second fixture type has single window in the base and a pair of guide pins located near opposite sides of the window. Third fixture type has a single window and single guide pin in the base located near one window side. Fourth fixture type has a single guide pin in the center of the base and a pair of windows on both sides of the pin.
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公开(公告)号：US20180074273A1
公开(公告)日：2018-03-15
申请号：US15701967
申请日：2017-09-12
发明人： Kewu WANG
IPC分类号： G02B6/42 , G02B6/38 , H04B10/50 , G08B5/38 , H01R13/717
CPC分类号： G02B6/4261 , G02B6/385 , G02B6/3895 , G02B6/3897 , G02B6/4203 , G02B6/428 , G02B6/4284 , G02B6/4292 , G08B5/38 , H01R13/6335 , H01R13/6658 , H01R13/7172 , H04B10/504 , H04B10/506
摘要： An optical communication module includes: a casing with an optical signal port and an electrical signal port arranged respectively on two ends of the casing; a circuit board assembly and an optical component assembly arranged inside the casing, the circuit board assembly including a circuit board and a control unit arranged on the circuit board; a fiber-optic communication cable connected to the optical signal port; and a status indicator unit arranged on the fiber-optic communication cable.
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公开(公告)号：US20180058980A1
公开(公告)日：2018-03-01
申请号：US15668961
申请日：2017-08-04
申请人： Panduit Corp.
CPC分类号： G01M11/088 , G01M11/30 , G02B6/385
摘要： A tool for testing the termination of optical connectors has a housing, a cradle attached to the housing, and a cover removeably attached to the cradle. The cradle is configured to restrain a fiber optic connector and the cover is configured to at least partially block ambient light from reaching the fiber optic connector. In another embodiment, a tool for testing the termination of optical connectors has a housing, a cradle attached to the housing, a launch fiber, and a ferrule adapter. The ferrule adapter is connected such that it rotates about a pivot point on the cradle.
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公开(公告)号：US20170322111A1
公开(公告)日：2017-11-09
申请号：US15146765
申请日：2016-05-04
申请人： Fluke Corporation
发明人： J. David Schell , Richard G. Tyler
CPC分类号： G01M11/3145 , G01M11/33 , G02B6/385 , H04B10/07
摘要： One or more embodiments are directed to optical test instruments, such as fiber optic inspection scopes and optical power meters, for testing optical communication links, such as fiber optic connectors. The optical test instruments include a single test port that is able to operate in two modes of operation. In a first mode of operation, the optical test instrument is configured to provide an image of the endface of a fiber optic connector under test. In a second mode of operation, the optical test instrument is configured to measure power or power loss in an optical fiber under test. In that regard, the fiber optic connector only has to be coupled to a single port of an optical test instrument for a visual inspection of an endface of a fiber optic connector and a power test of the optical fiber under test.
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