DK0440577T3 - Interferometric measuring device - Google Patents

Interferometric measuring device

Info

Publication number
DK0440577T3
DK0440577T3 DK91810024.9T DK91810024T DK0440577T3 DK 0440577 T3 DK0440577 T3 DK 0440577T3 DK 91810024 T DK91810024 T DK 91810024T DK 0440577 T3 DK0440577 T3 DK 0440577T3
Authority
DK
Denmark
Prior art keywords
capillary
measuring device
refractive index
matching liquid
interferometric measuring
Prior art date
Application number
DK91810024.9T
Other languages
Danish (da)
Inventor
Alfredo Emilio Dr Bruno
Original Assignee
Ciba Geigy Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ciba Geigy Ag filed Critical Ciba Geigy Ag
Application granted granted Critical
Publication of DK0440577T3 publication Critical patent/DK0440577T3/en

Links

Classifications

    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N21/0332—Cuvette constructions with temperature control
    • 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
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/45—Refractivity; Phase-affecting properties, e.g. optical path length using interferometric methods; using Schlieren methods
    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N2021/0346—Capillary cells; Microcells
    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6402—Atomic fluorescence; Laser induced fluorescence

Landscapes

  • Immunology (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Measuring Cells (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)

Abstract

A detection cell (4) forms part of an interferometer for measuring changes in the refractive index of a medium contained in a capillary (2). To simplify the evaluation of an interference fringe pattern, the capillary (2) is situated in a matching liquid (15) whose refractive index corresponds to that of the capillary material. The matching liquid (15) is also used at the same time as a temperature-control bath for the capillary, thereby substantially increasing the temperature stability.
DK91810024.9T 1990-01-22 1991-01-15 Interferometric measuring device DK0440577T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH18590 1990-01-22

Publications (1)

Publication Number Publication Date
DK0440577T3 true DK0440577T3 (en) 1994-10-31

Family

ID=4181202

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91810024.9T DK0440577T3 (en) 1990-01-22 1991-01-15 Interferometric measuring device

Country Status (6)

Country Link
EP (1) EP0440577B1 (en)
JP (1) JPH08110299A (en)
AT (1) ATE112625T1 (en)
DE (1) DE59103143D1 (en)
DK (1) DK0440577T3 (en)
ES (1) ES2062735T3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0312490A (en) * 1989-06-09 1991-01-21 Canon Inc Ferroelectric chiral smectic liquid crystal composition and liquid crystal element containing same
DE69323060T2 (en) * 1993-03-18 1999-06-10 Novartis Ag, Basel Optical detector device for the chemical analysis of small fluid sample volumes
FR2766923B1 (en) * 1997-07-30 1999-10-15 France Etat INSTRUMENT FOR MEASURING THE REFRACTION INDEX OF A FLUID
FR2766922B1 (en) * 1997-07-30 1999-10-15 France Etat INSTRUMENT FOR MEASURING THE REFRACTION INDEX OF A FLUID
JP2008256530A (en) * 2007-04-05 2008-10-23 Shimadzu Corp Fluorescence detector and liquid chromatography equipped with same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3529896A (en) * 1966-06-20 1970-09-22 Technicon Corp Flow cell immersed in a fluid having the same refractive index as the flow cell

Also Published As

Publication number Publication date
JPH08110299A (en) 1996-04-30
ATE112625T1 (en) 1994-10-15
EP0440577B1 (en) 1994-10-05
ES2062735T3 (en) 1994-12-16
EP0440577A1 (en) 1991-08-07
DE59103143D1 (en) 1994-11-10

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment