JP4264667B2 - 振動検出装置 - Google Patents
振動検出装置 Download PDFInfo
- Publication number
- JP4264667B2 JP4264667B2 JP2007036410A JP2007036410A JP4264667B2 JP 4264667 B2 JP4264667 B2 JP 4264667B2 JP 2007036410 A JP2007036410 A JP 2007036410A JP 2007036410 A JP2007036410 A JP 2007036410A JP 4264667 B2 JP4264667 B2 JP 4264667B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical path
- polarization
- photoelectric conversion
- beam splitter
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02015—Interferometers characterised by the beam path configuration
- G01B9/02027—Two or more interferometric channels or interferometers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02015—Interferometers characterised by the beam path configuration
- G01B9/02016—Interferometers characterised by the beam path configuration contacting two or more objects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02049—Interferometers characterised by particular mechanical design details
- G01B9/02051—Integrated design, e.g. on-chip or monolithic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B2290/00—Aspects of interferometers not specifically covered by any group under G01B9/02
- G01B2290/45—Multiple detectors for detecting interferometer signals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B2290/00—Aspects of interferometers not specifically covered by any group under G01B9/02
- G01B2290/70—Using polarization in the interferometer
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007036410A JP4264667B2 (ja) | 2007-02-16 | 2007-02-16 | 振動検出装置 |
| US12/068,394 US7880894B2 (en) | 2007-02-16 | 2008-02-06 | Vibration detection device and vibration detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007036410A JP4264667B2 (ja) | 2007-02-16 | 2007-02-16 | 振動検出装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008202958A JP2008202958A (ja) | 2008-09-04 |
| JP2008202958A5 JP2008202958A5 (enExample) | 2008-10-16 |
| JP4264667B2 true JP4264667B2 (ja) | 2009-05-20 |
Family
ID=39706372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007036410A Expired - Fee Related JP4264667B2 (ja) | 2007-02-16 | 2007-02-16 | 振動検出装置 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US7880894B2 (enExample) |
| JP (1) | JP4264667B2 (enExample) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8934104B2 (en) * | 2010-01-22 | 2015-01-13 | Universitaet Stuttgart | Method and arrangement for robust interferometry for detecting a feature of an object |
| US9261800B2 (en) | 2011-03-30 | 2016-02-16 | Mapper Lithography Ip B.V. | Alignment of an interferometer module for use in an exposure tool |
| DE102011085599B3 (de) * | 2011-11-02 | 2012-12-13 | Polytec Gmbh | Vorrichtung und Verfahren zur interferometrischen Vermessung eines Objekts |
| WO2013082247A1 (en) * | 2011-12-01 | 2013-06-06 | University Of Rochester | Interferometer, system, and method of use |
| JP6181189B2 (ja) | 2012-09-27 | 2017-08-16 | マッパー・リソグラフィー・アイピー・ビー.ブイ. | 多軸微分干渉計 |
| WO2015116999A1 (en) * | 2014-01-30 | 2015-08-06 | Wayne Leonard Rodenhausen | Stereo imaging with rotational-shear interferometry |
| KR101609548B1 (ko) * | 2014-10-31 | 2016-04-06 | 서울과학기술대학교 산학협력단 | 다중 빔 리플렉터를 이용한 다중 광경로 레이저 광학계 |
| EP3408625B1 (en) * | 2016-01-26 | 2020-04-08 | Tubitak | Dual-channel laser audio monitoring system |
| US9992581B2 (en) | 2016-03-25 | 2018-06-05 | Northrop Grumman Systems Corporation | Optical microphone system |
| GB2566284A (en) * | 2017-09-07 | 2019-03-13 | Univ Aston | Laser detection system |
| CN107907980B (zh) * | 2017-12-06 | 2019-04-23 | 南京大学 | 一种干涉仪 |
| EP3734267A1 (en) * | 2019-05-01 | 2020-11-04 | Northrop Grumman Innovation Systems, Inc. | Inspection devices with laser emitters and optical microphones, and related systems and methods |
| US11079230B2 (en) | 2019-05-10 | 2021-08-03 | Northrop Grumman Systems Corporation | Fiber-optic gyroscope (FOG) assembly |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5172186A (en) * | 1990-07-03 | 1992-12-15 | Konica Corporation | Laser interferometry length measuring an apparatus employing a beam slitter |
| JPH0540011A (ja) * | 1991-08-06 | 1993-02-19 | Olympus Optical Co Ltd | 干渉測長器 |
| JPH0761199B2 (ja) | 1992-02-12 | 1995-06-28 | 工業技術院長 | マイクロフォン |
| JPH07112318B2 (ja) | 1992-02-12 | 1995-11-29 | 工業技術院長 | マイクロフォン |
| JP3382644B2 (ja) * | 1992-09-17 | 2003-03-04 | アンリツ株式会社 | 直交偏光ヘテロダイン干渉計 |
| JP3543101B2 (ja) | 1995-03-24 | 2004-07-14 | 学校法人東海大学 | 光マイクロホン |
| JPH10308998A (ja) | 1997-05-07 | 1998-11-17 | Sony Corp | マイクロホン装置 |
| US5949546A (en) * | 1997-05-14 | 1999-09-07 | Ahead Optoelectronics, Inc. | Interference apparatus for measuring absolute and differential motions of same or different testing surface |
| GB2330725B (en) | 1997-10-24 | 2001-08-15 | Sony Uk Ltd | Microphone |
| US7006562B2 (en) * | 2000-03-17 | 2006-02-28 | Chien Chou | Phase demodulator, phase difference detector, and interferometric system using the phase difference detector |
| JP4112505B2 (ja) | 2004-01-14 | 2008-07-02 | 株式会社東芝 | 光マイクロフォン及びその製造方法 |
-
2007
- 2007-02-16 JP JP2007036410A patent/JP4264667B2/ja not_active Expired - Fee Related
-
2008
- 2008-02-06 US US12/068,394 patent/US7880894B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008202958A (ja) | 2008-09-04 |
| US7880894B2 (en) | 2011-02-01 |
| US20080198386A1 (en) | 2008-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4264667B2 (ja) | 振動検出装置 | |
| JP2008275515A (ja) | 振動検出装置 | |
| JP2008202959A (ja) | 振動検出装置 | |
| US10514249B2 (en) | Optical displacement sensor element | |
| CN102364298B (zh) | 位移检测装置 | |
| WO2007143362A2 (en) | Improved displacement sensor | |
| JP4077637B2 (ja) | 格子干渉型変位測定装置 | |
| JP2009128170A (ja) | 振動検出装置 | |
| JP4023923B2 (ja) | 光学式変位測定装置 | |
| JP2007218833A (ja) | 変位検出装置、偏光ビームスプリッタ及び回折格子 | |
| JP2008261684A (ja) | 振動検出装置 | |
| JP2020051782A (ja) | 光学式角度センサ | |
| JP4023917B2 (ja) | 光学式変位測定装置 | |
| JP2008128911A (ja) | 振動検出装置 | |
| JP2008128910A (ja) | 振動検出装置 | |
| JP7141313B2 (ja) | 変位検出装置 | |
| JP2008258928A (ja) | マイクロフォン | |
| TWI721719B (zh) | 量測裝置 | |
| JP6169420B2 (ja) | 光学干渉計 | |
| JP4153234B2 (ja) | 受発光複合ユニット及びその製造方法、変位検出装置 | |
| JP4154038B2 (ja) | 光学式変位測定装置 | |
| JP2000018918A (ja) | レーザ干渉式可動体の移動量検出装置 | |
| JP2000065517A (ja) | 正弦波状波長走査干渉計及び正弦波状波長走査光源装置 | |
| JP2000088513A (ja) | 非球面波発生レンズ系組立調整装置 | |
| JPH04249719A (ja) | 光ファイバ・レーザドップラ振動計 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080728 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20080728 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20090105 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20090120 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20090202 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120227 Year of fee payment: 3 |
|
| LAPS | Cancellation because of no payment of annual fees |