DE3475225D1 - Method and devices for detecting spectral features - Google Patents
Method and devices for detecting spectral featuresInfo
- Publication number
- DE3475225D1 DE3475225D1 DE8484107044T DE3475225T DE3475225D1 DE 3475225 D1 DE3475225 D1 DE 3475225D1 DE 8484107044 T DE8484107044 T DE 8484107044T DE 3475225 T DE3475225 T DE 3475225T DE 3475225 D1 DE3475225 D1 DE 3475225D1
- Authority
- DE
- Germany
- Prior art keywords
- devices
- spectral features
- detecting spectral
- detecting
- features
- 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
Links
- 230000003595 spectral effect Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
- G01J3/433—Modulation spectrometry; Derivative spectrometry
- G01J3/4338—Frequency modulated spectrometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/447—Polarisation spectrometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
- G01J9/04—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by beating two waves of a same source but of different frequency and measuring the phase shift of the lower frequency obtained
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/19—Dichroism
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/511,593 US4523847A (en) | 1983-07-07 | 1983-07-07 | Frequency modulation-polarization spectroscopy method and device for detecting spectral features |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3475225D1 true DE3475225D1 (en) | 1988-12-22 |
Family
ID=24035584
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484107044T Expired DE3475225D1 (en) | 1983-07-07 | 1984-06-20 | Method and devices for detecting spectral features |
Country Status (5)
Country | Link |
---|---|
US (1) | US4523847A (de) |
EP (1) | EP0131183B1 (de) |
JP (1) | JPS6025423A (de) |
CA (1) | CA1208930A (de) |
DE (1) | DE3475225D1 (de) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4614116A (en) * | 1985-02-04 | 1986-09-30 | International Business Machines Corporation | Phase sensitive ultrasonic modulation method for the detection of strain-sensitive spectral features |
US4594511A (en) * | 1985-03-29 | 1986-06-10 | Sri International | Method and apparatus for double modulation spectroscopy |
JPS61293972A (ja) * | 1985-06-24 | 1986-12-24 | Nisshin Flour Milling Co Ltd | 1,4−ジヒドロピリジンスルホン誘導体およびその製法 |
US4856899A (en) * | 1985-12-20 | 1989-08-15 | Yokogawa Electric Corporation | Optical frequency analyzer using a local oscillator heterodyne detection of incident light |
GB8612221D0 (en) * | 1986-05-20 | 1986-06-25 | Amersham Int Plc | Assaying species in sample |
US5036204A (en) * | 1989-07-24 | 1991-07-30 | Philip Morris, Inc. | Continuous concentration monitoring by circular dichroism |
US5097201A (en) * | 1990-02-15 | 1992-03-17 | Photon Dynamics, Inc. | Voltage imaging system using electro-optics |
US5124635A (en) * | 1990-02-15 | 1992-06-23 | Photon Dynamics, Inc. | Voltage imaging system using electro-optics |
US4983911A (en) * | 1990-02-15 | 1991-01-08 | Photon Dynamics, Inc. | Voltage imaging system using electro-optics |
US5170127A (en) * | 1991-02-19 | 1992-12-08 | Photon Dynamics, Inc. | Capacitance imaging system using electro-optics |
US5432461A (en) * | 1991-06-28 | 1995-07-11 | Photon Dynamics, Inc. | Method of testing active matrix liquid crystal display substrates |
JPH0772700B2 (ja) * | 1991-07-05 | 1995-08-02 | 日本分光株式会社 | 位相差制御装置及び方法 |
US5444385A (en) * | 1991-09-10 | 1995-08-22 | Photon Dynamics, Inc. | Testing apparatus for liquid crystal display substrates |
US5543729A (en) * | 1991-09-10 | 1996-08-06 | Photon Dynamics, Inc. | Testing apparatus and connector for liquid crystal display substrates |
US5504438A (en) * | 1991-09-10 | 1996-04-02 | Photon Dynamics, Inc. | Testing method for imaging defects in a liquid crystal display substrate |
US5459409A (en) * | 1991-09-10 | 1995-10-17 | Photon Dynamics, Inc. | Testing device for liquid crystal display base plate |
US5465052A (en) * | 1991-09-10 | 1995-11-07 | Photon Dynamics, Inc. | Method of testing liquid crystal display substrates |
US5406213A (en) * | 1991-09-10 | 1995-04-11 | Photon Dynamics, Inc. | Instrument for testing liquid crystal display base plates |
TW342447B (en) * | 1996-11-11 | 1998-10-11 | Cherng Jou | Noninvasive polarized common path optical heterodyne glucose monitoring system |
US5949480A (en) * | 1997-03-03 | 1999-09-07 | The United States Of America As Represented By The Secretary Of The Army | Broad band imaging spectroradiometer |
US6064488A (en) * | 1997-06-06 | 2000-05-16 | Monitor Labs, Inc. | Method and apparatus for in situ gas concentration measurement |
US6040914A (en) * | 1997-06-10 | 2000-03-21 | New Focus, Inc. | Simple, low cost, laser absorption sensor system |
DE19827638A1 (de) * | 1998-06-20 | 1999-12-23 | Alcatel Sa | Methode zur Messung von Störungseffekten auf Glasfaserübertragungsstrecken sowie Übertragungssystem |
DE69912525T2 (de) * | 1998-06-22 | 2004-09-23 | Saint-Gobain Glass France | Messung interner Spannungen in einem transparenten Material, wie Fensterscheiben |
US6323950B1 (en) * | 1999-09-28 | 2001-11-27 | Lucent Technologies, Inc. | Chromatic dispersion measurement for optical components |
US6856398B2 (en) * | 2001-10-24 | 2005-02-15 | Exfo Electro-Optical Engineering Inc. | Method of and apparatus for making wavelength-resolved polarimetric measurements |
US7230712B2 (en) * | 2003-11-03 | 2007-06-12 | Battelle Memorial Institute | Reduction of residual amplitude modulation in frequency-modulated signals |
FR2922307B1 (fr) * | 2007-10-10 | 2017-03-24 | Centre Nat Rech Scient | Procede et dispositif de caracterisation d'elements microscopiques |
TWI456184B (zh) * | 2011-12-19 | 2014-10-11 | Ind Tech Res Inst | 光譜檢測裝置及光譜檢測方法 |
KR102506803B1 (ko) * | 2018-11-23 | 2023-03-07 | 삼성전자주식회사 | 배선 기판 테스트 방법 및 이를 수행하기 위한 장치 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3239671A (en) * | 1962-05-21 | 1966-03-08 | Gen Telephone & Elect | Single-sideband light modulator |
US4297035A (en) * | 1979-09-14 | 1981-10-27 | International Business Machines Corporation | Method and device for detecting a specific spectral feature |
-
1983
- 1983-07-07 US US06/511,593 patent/US4523847A/en not_active Expired - Lifetime
-
1984
- 1984-03-16 JP JP59049458A patent/JPS6025423A/ja active Granted
- 1984-06-20 EP EP84107044A patent/EP0131183B1/de not_active Expired
- 1984-06-20 CA CA000457031A patent/CA1208930A/en not_active Expired
- 1984-06-20 DE DE8484107044T patent/DE3475225D1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0131183B1 (de) | 1988-11-17 |
EP0131183A3 (en) | 1986-04-30 |
US4523847A (en) | 1985-06-18 |
JPS6025423A (ja) | 1985-02-08 |
JPH041861B2 (de) | 1992-01-14 |
CA1208930A (en) | 1986-08-05 |
EP0131183A2 (de) | 1985-01-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |