SE390570B - APPARATUS FOR DETERMINING THE REFRACTORY PROPERTIES OF AN AREA OF A TRANSPARENT MATERIAL SHEET - Google Patents

APPARATUS FOR DETERMINING THE REFRACTORY PROPERTIES OF AN AREA OF A TRANSPARENT MATERIAL SHEET

Info

Publication number
SE390570B
SE390570B SE7215517A SE1551772A SE390570B SE 390570 B SE390570 B SE 390570B SE 7215517 A SE7215517 A SE 7215517A SE 1551772 A SE1551772 A SE 1551772A SE 390570 B SE390570 B SE 390570B
Authority
SE
Sweden
Prior art keywords
determining
area
transparent material
material sheet
refractory properties
Prior art date
Application number
SE7215517A
Other languages
Swedish (sv)
Inventor
Clerck G De
Original Assignee
Glaverbel
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 Glaverbel filed Critical Glaverbel
Publication of SE390570B publication Critical patent/SE390570B/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/45Refractivity; Phase-affecting properties, e.g. optical path length using interferometric methods; using Schlieren methods
    • G01N21/455Schlieren methods, e.g. for gradient index determination; Shadowgraph
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/26Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/45Refractivity; Phase-affecting properties, e.g. optical path length using interferometric methods; using Schlieren methods
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/89Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/892Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
    • G01N21/896Optical defects in or on transparent materials, e.g. distortion, surface flaws in conveyed flat sheet or rod

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
SE7215517A 1971-12-03 1972-11-28 APPARATUS FOR DETERMINING THE REFRACTORY PROPERTIES OF AN AREA OF A TRANSPARENT MATERIAL SHEET SE390570B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5628271A GB1366944A (en) 1971-12-03 1971-12-03 Method and apparatus for testing light-transmitting material

Publications (1)

Publication Number Publication Date
SE390570B true SE390570B (en) 1976-12-27

Family

ID=10476235

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7215517A SE390570B (en) 1971-12-03 1972-11-28 APPARATUS FOR DETERMINING THE REFRACTORY PROPERTIES OF AN AREA OF A TRANSPARENT MATERIAL SHEET

Country Status (10)

Country Link
JP (1) JPS4864982A (en)
AU (1) AU4938772A (en)
BE (1) BE792026A (en)
DE (1) DE2258702A1 (en)
FR (1) FR2166975A5 (en)
GB (1) GB1366944A (en)
IT (1) IT975852B (en)
NL (1) NL7216224A (en)
SE (1) SE390570B (en)
ZA (1) ZA728518B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4341469A (en) * 1980-06-18 1982-07-27 Discovision Associates Laser shadowgraph
US4456375A (en) * 1981-11-23 1984-06-26 Discovision Associates Optical disc measurement by refraction
DE3326065C2 (en) * 1982-07-31 1986-03-27 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln Method for the quantitative measurement of inhomogeneities in optical glasses
DE3534018A1 (en) * 1985-09-24 1987-04-02 Sick Optik Elektronik Erwin OPTICAL RAILWAY MONITORING DEVICE
DE3937559A1 (en) * 1989-09-02 1991-03-14 Flachglas Ag METHOD FOR DETECTING OPTICAL ERRORS IN DISC FROM A TRANSPARENT MATERIAL, ESPECIALLY FROM GLASS
CN110161010B (en) * 2019-07-01 2021-10-08 河海大学常州校区 Reflective temperature-controllable laser excitation remote fluorescent material testing device

Also Published As

Publication number Publication date
FR2166975A5 (en) 1973-08-17
BE792026A (en) 1973-05-29
JPS4864982A (en) 1973-09-07
DE2258702A1 (en) 1973-06-07
NL7216224A (en) 1973-06-05
ZA728518B (en) 1973-09-26
AU4938772A (en) 1974-06-06
IT975852B (en) 1974-08-10
GB1366944A (en) 1974-09-18

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