ITMI910509A1 - Procedimento e apparecchio per misure interferometriche assolute di grandezze fisiche. - Google Patents
Procedimento e apparecchio per misure interferometriche assolute di grandezze fisiche.Info
- Publication number
- ITMI910509A1 ITMI910509A1 IT000509A ITMI910509A ITMI910509A1 IT MI910509 A1 ITMI910509 A1 IT MI910509A1 IT 000509 A IT000509 A IT 000509A IT MI910509 A ITMI910509 A IT MI910509A IT MI910509 A1 ITMI910509 A1 IT MI910509A1
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- physical sizes
- interferometric measurements
- absolute interferometric
- absolute
- Prior art date
Links
- 238000005259 measurement Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35303—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using a reference fibre, e.g. interferometric devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/266—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light by interferometric means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI910509A IT1246572B (it) | 1991-02-27 | 1991-02-27 | Procedimento e apparecchio per misure interferometriche assolute di grandezze fisiche. |
EP92200450A EP0501559B1 (en) | 1991-02-27 | 1992-02-18 | Process and apparatus for absolute interferometric measurements of physical magnitudes |
DE69202780T DE69202780T2 (de) | 1991-02-27 | 1992-02-18 | Verfahren und Vorrichtung für interferometrische Absolutmessungen physikalischer Grössen. |
US07/838,886 US5333045A (en) | 1991-02-27 | 1992-02-21 | Process and apparatus for absolute interferometric measurement of physical magnitudes utilizing a variable center frequency pass-band filter located downstream of a light beam source |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI910509A IT1246572B (it) | 1991-02-27 | 1991-02-27 | Procedimento e apparecchio per misure interferometriche assolute di grandezze fisiche. |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI910509A0 ITMI910509A0 (it) | 1991-02-27 |
ITMI910509A1 true ITMI910509A1 (it) | 1992-08-27 |
IT1246572B IT1246572B (it) | 1994-11-24 |
Family
ID=11358771
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI910509A IT1246572B (it) | 1991-02-27 | 1991-02-27 | Procedimento e apparecchio per misure interferometriche assolute di grandezze fisiche. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5333045A (it) |
EP (1) | EP0501559B1 (it) |
DE (1) | DE69202780T2 (it) |
IT (1) | IT1246572B (it) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT399222B (de) * | 1992-10-19 | 1995-04-25 | Tabarelli Werner | Interferometrische einrichtung zur messung der lage eines reflektierenden objektes |
WO1994011708A1 (en) * | 1992-11-06 | 1994-05-26 | Martin Marietta Corporation | Interferometric optical sensor read-out system |
US6279829B1 (en) * | 1999-06-09 | 2001-08-28 | Psc Scanning, Inc. | Method and apparatus for reducing bandwidth limited noise in an optical scanner |
US7023563B2 (en) * | 2003-02-14 | 2006-04-04 | Chian Chiu Li | Interferometric optical imaging and storage devices |
US7061618B2 (en) | 2003-10-17 | 2006-06-13 | Axsun Technologies, Inc. | Integrated spectroscopy system |
US8670129B2 (en) | 2009-09-03 | 2014-03-11 | Axsun Technologies, Inc. | Filtered ASE swept source for OCT medical imaging |
US8526472B2 (en) | 2009-09-03 | 2013-09-03 | Axsun Technologies, Inc. | ASE swept source with self-tracking filter for OCT medical imaging |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3044183A1 (de) * | 1980-11-24 | 1982-06-24 | Reinhard Dipl.-Phys. Dr. 7250 Leonberg Ulrich | Verfahren zur optischen messung von laengen und laengenaenderungen und anordnung zur durchfuehrung des verfahrens |
US4890922A (en) * | 1987-02-20 | 1990-01-02 | Litton Systems, Inc. | Thermally compensated reference interferometer and method |
US4972077A (en) * | 1988-08-08 | 1990-11-20 | Schlumberger Industries Limited | Wavelength multiplexed optical transducer with a swept wavelength optical source |
US4886363A (en) * | 1988-09-06 | 1989-12-12 | Eastman Kodak Company | Quadratic frequency modulated absolute distance measuring interferometry |
FR2636425B1 (fr) * | 1988-09-14 | 1990-11-30 | Photonetics | Dispositif de mesure a fibre optique, gyrometre, centrale de navigation et de stabilisation |
-
1991
- 1991-02-27 IT ITMI910509A patent/IT1246572B/it active IP Right Grant
-
1992
- 1992-02-18 DE DE69202780T patent/DE69202780T2/de not_active Expired - Fee Related
- 1992-02-18 EP EP92200450A patent/EP0501559B1/en not_active Expired - Lifetime
- 1992-02-21 US US07/838,886 patent/US5333045A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5333045A (en) | 1994-07-26 |
ITMI910509A0 (it) | 1991-02-27 |
DE69202780T2 (de) | 1996-03-14 |
EP0501559A1 (en) | 1992-09-02 |
IT1246572B (it) | 1994-11-24 |
EP0501559B1 (en) | 1995-06-07 |
DE69202780D1 (de) | 1995-07-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19960222 |