RU99113844A - OPTICAL INSULATOR - Google Patents

OPTICAL INSULATOR

Info

Publication number
RU99113844A
RU99113844A RU99113844/28A RU99113844A RU99113844A RU 99113844 A RU99113844 A RU 99113844A RU 99113844/28 A RU99113844/28 A RU 99113844/28A RU 99113844 A RU99113844 A RU 99113844A RU 99113844 A RU99113844 A RU 99113844A
Authority
RU
Russia
Prior art keywords
light beams
optical isolator
birefringent elements
isolator according
birefringent
Prior art date
Application number
RU99113844/28A
Other languages
Russian (ru)
Other versions
RU2204155C2 (en
Inventor
Юнг Джин СОНГ
Original Assignee
Самсунг Электроникс Ко., Лтд.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1019960060708A external-priority patent/KR100200210B1/en
Application filed by Самсунг Электроникс Ко., Лтд. filed Critical Самсунг Электроникс Ко., Лтд.
Publication of RU99113844A publication Critical patent/RU99113844A/en
Application granted granted Critical
Publication of RU2204155C2 publication Critical patent/RU2204155C2/en

Links

Claims (5)

1. Оптический изолятор, содержащий множество оптических волокон для передачи световых пучков, пару коллиматорных линз для преобразования световых пучков, излучаемых из или вводимых в оптические волокна, в параллельные световые пучки, пару симметричных двулучепреломляющих элементов, имеющих, по меньшей мере, одну наклонную поверхность, предназначенную для испускания с помощью поляризации множества параллельных световых пучков, прошедших коллиматорные линзы, и для фокусировки всех световых пучков, распространяющихся в прямом направлении, в оптические волокна, соответственно, и вращатель Фарадея, расположенный между двулучепреломляющими элементами, для разворота плоскости поляризации падающих на него световых пучков на угол 45o.1. An optical isolator comprising a plurality of optical fibers for transmitting light beams, a pair of collimator lenses for converting light beams emitted from or introduced into the optical fibers into parallel light beams, a pair of symmetrical birefringent elements having at least one inclined surface, designed to emit by means of polarization many parallel light beams transmitted through collimator lenses, and to focus all light beams propagating in a direct direction and, in optical fibers, respectively, and a Faraday rotator located between birefringent elements, to rotate the plane of polarization of the incident light beams at an angle of 45 o . 2. Оптический изолятор по п.1, в котором каждый из двулучепреломляющих элементов имеет множество наклонных граней, которые имеют множество углов наклона, соответственно, и которые выполнены на одной стороне двулучепреломляющего элемента. 2. The optical isolator according to claim 1, in which each of the birefringent elements has a plurality of inclined faces that have a plurality of tilt angles, respectively, and which are formed on one side of the birefringent element. 3. Оптический изолятор по п.2, в котором наклонные грани двулучепреломляющих элементов имеют один и тот же угол наклона. 3. The optical isolator according to claim 2, in which the inclined faces of the birefringent elements have the same angle of inclination. 4. Оптический изолятор по п.2, в котором наклонные грани двулучепреломляющих элементов размещены напротив каждой из пары коллиматорных линз, соответственно. 4. The optical isolator according to claim 2, in which the inclined faces of the birefringent elements are placed opposite each of a pair of collimator lenses, respectively. 5. Оптический изолятор по п. 1, в котором каждый двулучепреломляющий элемент имеет кристаллическую ось, расположенную под углом 45o по часовой стрелке или против часовой стрелки.5. The optical isolator according to claim 1, in which each birefringent element has a crystalline axis located at an angle of 45 o clockwise or counterclockwise.
RU99113844/28A 1996-11-30 1997-11-29 Optical insulator RU2204155C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019960060708A KR100200210B1 (en) 1996-11-30 1996-11-30 Optical isolator
KR1996/60708 1996-11-30

Publications (2)

Publication Number Publication Date
RU99113844A true RU99113844A (en) 2001-04-27
RU2204155C2 RU2204155C2 (en) 2003-05-10

Family

ID=19485264

Family Applications (1)

Application Number Title Priority Date Filing Date
RU99113844/28A RU2204155C2 (en) 1996-11-30 1997-11-29 Optical insulator

Country Status (8)

Country Link
US (1) US6061167A (en)
EP (1) EP0941492A1 (en)
JP (1) JP3953529B2 (en)
KR (1) KR100200210B1 (en)
CN (1) CN1138994C (en)
BR (1) BR9713560A (en)
RU (1) RU2204155C2 (en)
WO (1) WO1998023983A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6175448B1 (en) 1998-08-17 2001-01-16 New Focus, Inc. Optical circulators using beam angle turners
US6049426A (en) 1998-08-17 2000-04-11 New Focus, Inc. Compact polarization insensitive circulators with simplified structure and low polarization mode dispersion
US6289152B1 (en) 1998-10-27 2001-09-11 Adc Telecommunications, Inc. Multiple port, fiber optic coupling device
US6167174A (en) * 1998-10-27 2000-12-26 Adc Telecommunications, Inc. Multiple port, fiber optic isolator
US6154581A (en) * 1998-10-27 2000-11-28 Adc Telecommunications, Inc. Multiple port, fiber optic circulator
US6212008B1 (en) 1998-11-13 2001-04-03 New Focus, Inc. Compact polarization insensitive circulators with simplified structure and low polarization mode dispersion
AU2415900A (en) * 1999-02-11 2000-08-29 New Focus, Inc. Compact multiple port optical isolator
US6822793B2 (en) 1999-10-29 2004-11-23 Finisar Corporation Compact polarization insensitive circulators with simplified structure and low polarization mode dispersion
US6317250B1 (en) * 2000-09-12 2001-11-13 E-Tek Dynamics, Inc. Optical isolator using multiple core fibers
US6873462B2 (en) * 2002-04-09 2005-03-29 Oplink Communications, Inc. Three-port circulator
US6987896B1 (en) * 2002-04-09 2006-01-17 Oplink Communications, Inc. Optical isolator
US6900933B1 (en) 2002-04-23 2005-05-31 Oplink Communications, Inc. Integrated two-pump combiner for optical fiber amplifiers
US6839170B2 (en) * 2002-10-15 2005-01-04 Oplink Communications, Inc. Optical isolator
TWI255933B (en) * 2004-02-06 2006-06-01 Ind Tech Res Inst Optical polarization beam combiner
US7412132B1 (en) * 2004-09-20 2008-08-12 Sino Point Technology, Ltd. Mini fiber optic isolator
US7782532B2 (en) * 2007-08-17 2010-08-24 Photop Technologies, Inc. Optical isolator device
US20100179980A1 (en) * 2009-01-14 2010-07-15 Movidilo S.L. Cache system for mobile communications devices
KR101104114B1 (en) * 2009-12-03 2012-01-13 한국과학기술정보연구원 Anaphoric pronoun reference resolution system and method for production thereof
CN103913857B (en) * 2014-04-01 2017-04-12 浙江奥智光电科技有限公司 Optical isolation method and optical isolation device
CN111356947B (en) * 2017-12-21 2023-06-16 索尼公司 Optical communication connector, optical communication cable, and electronic device
CN110737117A (en) * 2019-11-15 2020-01-31 深圳市光凡通讯技术有限公司 kinds of multi-channel isolator
CN114779404B (en) * 2022-04-26 2023-12-01 武汉光迅科技股份有限公司 DMUX device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57100410A (en) * 1980-12-15 1982-06-22 Fujitsu Ltd Optical isolator
WO1996012986A1 (en) * 1994-10-20 1996-05-02 Northern Telecom Limited Optical devices including optical isolators

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