KR100632548B1 - 대칭 형상의 캔티레버를 이용한 회절형 광변조기 - Google Patents
대칭 형상의 캔티레버를 이용한 회절형 광변조기 Download PDFInfo
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- KR100632548B1 KR100632548B1 KR1020040070829A KR20040070829A KR100632548B1 KR 100632548 B1 KR100632548 B1 KR 100632548B1 KR 1020040070829 A KR1020040070829 A KR 1020040070829A KR 20040070829 A KR20040070829 A KR 20040070829A KR 100632548 B1 KR100632548 B1 KR 100632548B1
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- cantilever
- support means
- diffraction
- driving power
- cantilevers
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- 230000003287 optical effect Effects 0.000 title claims abstract description 36
- 238000012937 correction Methods 0.000 claims abstract description 5
- 238000005452 bending Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 10
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 229910052697 platinum Inorganic materials 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000005019 vapor deposition process Methods 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0808—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more diffracting elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
- G02B26/0833—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/3564—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details
- G02B6/3566—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details involving bending a beam, e.g. with cantilever
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/3564—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details
- G02B6/3568—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details characterised by the actuating force
- G02B6/357—Electrostatic force
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/3564—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details
- G02B6/3568—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details characterised by the actuating force
- G02B6/3572—Magnetic force
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Abstract
Description
Claims (7)
- 소정 거리 이격된 상태로 반대 방향에 각각 배치되는 지지수단;일측 단부는 상기 지지수단에 부착되어 지지되고 다른 일측 단부는 공중에 현가된 구조를 갖되, 상기 각각의 지지수단에 의해 엇갈린 형상으로 상호 교번하여 지지되는 복수의 캔티레버; 및상기 캔티레버의 일측 단부에 형성되어 구동 전원을 인가하는 구동 수단을 포함하여 구성되고,상기 지지수단에 의해 상호 엇갈린 형상으로 인접 배치된 캔티레버가 상이한 회전 중심에 기초하여 반대 방향으로 회전하여 단차를 형성하는 것을 특징으로 하는 회절형 광변조기.
- 제 1항에 있어서,상기 캔티레버가 배열된 방향으로 배치되어 있고, 상기 캔티레버의 굽힘량 차이로 인하여 발생하는 회절빔의 상이한 반사각을 광경로 방향으로 보정하는 각도 보정 수단을 더 포함하여 구성된 것을 특징으로 하는 회절형 광변조기.
- 제 1 항에 있어서,상기 지지수단은 캔티레버가 배열되는 방향에 대해 장축이 형성되는 직사각형 형상으로 구성된 것을 특징으로 하는 회절형 광변조기.
- 제 1 항에 있어서,상기 지지수단은 막대 형상으로 구성되되, 반대 방향에 배치된 지지수단과는 엇갈린 형상으로 배치되는 것을 특징으로 하는 회절형 광변조기.
- 제 1 항에 있어서,상기 캔티레버는 구동 전원에 연동하여 굽힘이 발생하는 커브 영역과, 입사광의 반사 및 회절을 수행하는 유효 반사 영역이 형성되되,인접한 캔티레버가 상호 반대 방향으로 회전시에 상기 유효 반사 영역은 회전 방향의 접선 방향으로 회전하여 상호간에 소정 깊이의 단차를 형성하는 것을 특징으로 하는 회절형 광변조기.
- 제 5 항에 있어서,상기 유효 반사 영역(Effective Mirror Area) 상호간에 형성된 단차는 입사 광의 파장(λo)에 대해(λo/4)*n에 해당하는 것을 특징으로 하는 회절형 광변조기.
- 제 1 항에 있어서, 상기 구동 수단은,상기 상기 캔틸레버의 일측 단부에 적층되어 형성되고, 외부 전원으로부터 구동 전원을 인가받는 하부 전극층;상기 하부 전극층에 적층되어 있고, 인가되는 구동 전원에 연동하여 수축 및 팽창하여 상·하 및 좌·우 구동력을 발생시키는 압전층; 및상기 압전층에 적층되어 형성되고, 상기 하부 전극층과 함께 외부 전원으로부터 공급되는 구동 전원을 상기 압전층에 공급하는 상부 전극층을 포함하여 구성된 것을 특징으로 하는 회절형 광변조기.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040070829A KR100632548B1 (ko) | 2004-09-06 | 2004-09-06 | 대칭 형상의 캔티레버를 이용한 회절형 광변조기 |
US10/951,260 US6977765B1 (en) | 2004-09-06 | 2004-09-27 | Diffractive light modulator using cantilevers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020040070829A KR100632548B1 (ko) | 2004-09-06 | 2004-09-06 | 대칭 형상의 캔티레버를 이용한 회절형 광변조기 |
Publications (2)
Publication Number | Publication Date |
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KR20060022062A KR20060022062A (ko) | 2006-03-09 |
KR100632548B1 true KR100632548B1 (ko) | 2006-10-09 |
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KR1020040070829A KR100632548B1 (ko) | 2004-09-06 | 2004-09-06 | 대칭 형상의 캔티레버를 이용한 회절형 광변조기 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011106551A2 (en) * | 2010-02-24 | 2011-09-01 | The Regents Of The University Of California | Hcg reflection enhancement in diverse refractive index material |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011106553A2 (en) * | 2010-02-24 | 2011-09-01 | The Regents Of The University Of California | Planar, low loss transmitting or reflecting lenses using sub-wavelength high contrast grating |
CN113507676B (zh) * | 2021-08-13 | 2024-12-24 | 中北大学 | 硅基悬臂梁式mems压电麦克风的结构及装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996041226A1 (en) | 1995-06-07 | 1996-12-19 | Silicon Light Machines | A method of making and an apparatus for a flat diffraction grating light valve |
WO2001011395A2 (en) * | 1999-08-11 | 2001-02-15 | Lightconnect, Inc. | Achromatic diffractive optical modulator |
EP1172686A2 (en) | 2000-07-03 | 2002-01-16 | CreoScitex Corporation Ltd. | Controllable diffractive grating array with perpendicular diffraction |
US20040001264A1 (en) | 2002-06-28 | 2004-01-01 | Christopher Gudeman | Micro-support structures |
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2004
- 2004-09-06 KR KR1020040070829A patent/KR100632548B1/ko not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996041226A1 (en) | 1995-06-07 | 1996-12-19 | Silicon Light Machines | A method of making and an apparatus for a flat diffraction grating light valve |
WO2001011395A2 (en) * | 1999-08-11 | 2001-02-15 | Lightconnect, Inc. | Achromatic diffractive optical modulator |
EP1172686A2 (en) | 2000-07-03 | 2002-01-16 | CreoScitex Corporation Ltd. | Controllable diffractive grating array with perpendicular diffraction |
US20040001264A1 (en) | 2002-06-28 | 2004-01-01 | Christopher Gudeman | Micro-support structures |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011106551A2 (en) * | 2010-02-24 | 2011-09-01 | The Regents Of The University Of California | Hcg reflection enhancement in diverse refractive index material |
WO2011106551A3 (en) * | 2010-02-24 | 2012-01-19 | The Regents Of The University Of California | Hcg reflection enhancement in diverse refractive index material |
US8488646B2 (en) | 2010-02-24 | 2013-07-16 | The Regents Of The University Of California | HCG reflection enhancement in diverse refractive index material |
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KR20060022062A (ko) | 2006-03-09 |
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