RU2000113213A - ELECTRICALLY TUNABLE OPTICAL FILTER - Google Patents
ELECTRICALLY TUNABLE OPTICAL FILTERInfo
- Publication number
- RU2000113213A RU2000113213A RU2000113213/28A RU2000113213A RU2000113213A RU 2000113213 A RU2000113213 A RU 2000113213A RU 2000113213/28 A RU2000113213/28 A RU 2000113213/28A RU 2000113213 A RU2000113213 A RU 2000113213A RU 2000113213 A RU2000113213 A RU 2000113213A
- Authority
- RU
- Russia
- Prior art keywords
- waveguides
- electric field
- influence
- secondary radiation
- optical delay
- Prior art date
Links
- 230000003287 optical Effects 0.000 title claims 12
- 230000005684 electric field Effects 0.000 claims 18
- 238000006073 displacement reaction Methods 0.000 claims 9
- 230000000875 corresponding Effects 0.000 claims 8
- 239000003365 glass fiber Substances 0.000 claims 4
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 claims 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims 2
- 230000000051 modifying Effects 0.000 claims 2
- 238000000926 separation method Methods 0.000 claims 2
- 238000004458 analytical method Methods 0.000 claims 1
- 230000003111 delayed Effects 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000001228 spectrum Methods 0.000 claims 1
Claims (20)
(I) осуществляют ВЧ модуляцию исходного пучка (35) излучения,
(II) исходный пучок (35) излучения разделяют на множество вторичных пучков излучения, каждый из которых имеет соответствующую фазу Θi,
(III) осуществляют передачу каждого из вторичных пучков излучения через один из множества волноводов (32; 41), имеющих возможность смещения под действием электрического поля, которые образуют решетку волноводов, при этом каждый волновод имеет связанную с ним линию (33; 43) оптической задержки, имеющую соответствующее время оптической задержки, причем каждое из времен оптической задержки является отличающимся,
(IV) к каждому из волноводов (32; 41), имеющих возможность смещения под действием электрического поля, прикладывают изменяемое электрическое поле,
(V) электрическое поле, приложенное к каждому из волноводов (32; 41), имеющих возможность смещения под действием электрического поля, изменяют таким образом, чтобы можно было изменять соответствующие фазы Θi вторичных пучков излучения, прошедших через каждый из волноводов (32; 41), имеющих возможность смещения под действием электрического поля, и
(VI) осуществляют вывод вторичных пучков излучения в область распространения таким образом, что они интерферируют с одним или с большим количеством остальных вторичных пучков излучения, образуя в области распространения интерференционную картину, содержащую один или более максимумов в различных положениях.19. A method for spatial separation of frequency components in an initial radiation beam (35), comprising the steps in which
(I) carry out RF modulation of the initial beam (35) of radiation,
(II) the initial radiation beam (35) is divided into many secondary radiation beams, each of which has a corresponding phase Θ i ,
(III) transmitting each of the secondary radiation beams through one of the many waveguides (32; 41), which can be displaced by an electric field, which form a waveguide array, with each waveguide having an optical delay line (33; 43) associated with it having a corresponding optical delay time, each of the optical delay times being different,
(IV) a variable electric field is applied to each of the waveguides (32; 41) having the possibility of displacement under the influence of an electric field,
(V) the electric field applied to each of the waveguides (32; 41), which can be displaced by the electric field, is changed so that the corresponding phases Θ i of the secondary radiation beams passing through each of the waveguides can be changed (32; 41 ) having the possibility of displacement under the influence of an electric field, and
(VI) carry out the output of the secondary radiation beams into the propagation region in such a way that they interfere with one or with a large number of other secondary radiation beams, forming an interference pattern in the propagation region containing one or more maxima in different positions.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9722685.6 | 1997-10-28 | ||
GBGB9722685.6A GB9722685D0 (en) | 1997-10-28 | 1997-10-28 | Electrically tuneable optical filter |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2000113213A true RU2000113213A (en) | 2002-04-20 |
RU2200970C2 RU2200970C2 (en) | 2003-03-20 |
Family
ID=10821164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2000113213/28A RU2200970C2 (en) | 1997-10-28 | 1998-10-21 | Electrically tunable optical filter |
Country Status (14)
Country | Link |
---|---|
US (1) | US6385353B1 (en) |
EP (1) | EP1027628B1 (en) |
JP (1) | JP4205856B2 (en) |
KR (1) | KR100589515B1 (en) |
CN (1) | CN1138167C (en) |
AT (1) | ATE230497T1 (en) |
AU (1) | AU9549498A (en) |
CA (1) | CA2307669A1 (en) |
DE (1) | DE69810509T2 (en) |
ES (1) | ES2186234T3 (en) |
GB (2) | GB9722685D0 (en) |
HK (1) | HK1034777A1 (en) |
RU (1) | RU2200970C2 (en) |
WO (1) | WO1999022265A1 (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6870975B1 (en) | 2001-11-14 | 2005-03-22 | Fiber Optic Systems Technology, Inc. | Fiber optic sensor usable over wide range of gage lengths |
US6804008B1 (en) | 2001-11-14 | 2004-10-12 | Fiber Optic Systems Technology, Inc. | Fiber optic sensing instrument and system with fiber of adjustable optical path length and method of using it |
US7035508B2 (en) | 2003-04-18 | 2006-04-25 | Metrophotonics Inc. | Waveguide structure having improved reflective mirror features |
US7212695B2 (en) * | 2003-08-05 | 2007-05-01 | Lucent Technologies Inc. | Variable optical delay line with a large continuous tuning range |
EP1624334A1 (en) * | 2004-08-05 | 2006-02-08 | STMicroelectronics S.r.l. | Integrated optical network with controlled optical beam deflection and optical transmitter |
CN100399082C (en) * | 2005-01-25 | 2008-07-02 | 电子科技大学 | Electric tuning integrated optical filter with high-fineness |
WO2007023324A2 (en) * | 2005-08-08 | 2007-03-01 | Lako Sandor | High capacity and high speed data storage system |
WO2010021193A1 (en) * | 2008-08-22 | 2010-02-25 | 日本碍子株式会社 | Optical modulator |
CN103576345A (en) * | 2013-10-28 | 2014-02-12 | 华中科技大学 | Programmable optical filter based on integrated silicon waveguide |
EP3029783B1 (en) * | 2014-12-01 | 2020-03-04 | Huawei Technologies Co., Ltd. | Multi-channel tunable laser |
US10101630B2 (en) | 2016-04-28 | 2018-10-16 | Analog Photonic Llc | Optical waveguide device |
CN112204458B (en) * | 2018-05-14 | 2024-01-19 | 株式会社大成科技 | Optical integrated circuit and optical phased array and LiDAR sensor using same |
WO2019222786A1 (en) * | 2018-05-25 | 2019-11-28 | Micro-X Limited | A device for applying beamforming signal processing to rf modulated x-rays |
CN109491010B (en) * | 2018-12-14 | 2020-06-09 | 上海交通大学 | Silicon-based integrated optical adjustable delay line based on optical phased array |
ES2912964T3 (en) * | 2019-10-18 | 2022-05-30 | Centre Nat Rech Scient | Procedure for delaying an optical signal |
CN114019610B (en) * | 2022-01-05 | 2022-03-29 | 成都明夷电子科技有限公司 | Modulator for modulating and strengthening radio frequency signals and modulation method thereof |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5239598A (en) * | 1987-11-20 | 1993-08-24 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Electro-optic waveguide device |
JP2733116B2 (en) * | 1989-11-30 | 1998-03-30 | 沖電気工業株式会社 | Optical multiplexer / demultiplexer |
US5002350A (en) | 1990-02-26 | 1991-03-26 | At&T Bell Laboratories | Optical multiplexer/demultiplexer |
GB9027657D0 (en) * | 1990-12-20 | 1991-02-13 | Secr Defence | Optical device |
EP0662621B1 (en) * | 1994-01-11 | 1998-05-06 | Siemens Aktiengesellschaft | Optical device having strip optical waveguides |
-
1997
- 1997-10-28 GB GBGB9722685.6A patent/GB9722685D0/en not_active Ceased
-
1998
- 1998-10-21 JP JP2000518302A patent/JP4205856B2/en not_active Expired - Fee Related
- 1998-10-21 US US09/529,541 patent/US6385353B1/en not_active Expired - Lifetime
- 1998-10-21 KR KR1020007004646A patent/KR100589515B1/en not_active IP Right Cessation
- 1998-10-21 AU AU95494/98A patent/AU9549498A/en not_active Abandoned
- 1998-10-21 RU RU2000113213/28A patent/RU2200970C2/en not_active IP Right Cessation
- 1998-10-21 GB GB0009312A patent/GB2346219B/en not_active Expired - Fee Related
- 1998-10-21 WO PCT/GB1998/003143 patent/WO1999022265A1/en active IP Right Grant
- 1998-10-21 CA CA002307669A patent/CA2307669A1/en not_active Abandoned
- 1998-10-21 ES ES98949113T patent/ES2186234T3/en not_active Expired - Lifetime
- 1998-10-21 AT AT98949113T patent/ATE230497T1/en not_active IP Right Cessation
- 1998-10-21 EP EP98949113A patent/EP1027628B1/en not_active Expired - Lifetime
- 1998-10-21 CN CNB988127407A patent/CN1138167C/en not_active Expired - Fee Related
- 1998-10-21 DE DE69810509T patent/DE69810509T2/en not_active Expired - Lifetime
-
2001
- 2001-07-31 HK HK01105332A patent/HK1034777A1/en not_active IP Right Cessation
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