FR2262340A1 - Interferometric holography process - uses interference between object and two reference beams - Google Patents

Interferometric holography process - uses interference between object and two reference beams

Info

Publication number
FR2262340A1
FR2262340A1 FR7405945A FR7405945A FR2262340A1 FR 2262340 A1 FR2262340 A1 FR 2262340A1 FR 7405945 A FR7405945 A FR 7405945A FR 7405945 A FR7405945 A FR 7405945A FR 2262340 A1 FR2262340 A1 FR 2262340A1
Authority
FR
France
Prior art keywords
reference beams
plate
divided
uses interference
time
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.)
Granted
Application number
FR7405945A
Other languages
French (fr)
Other versions
FR2262340B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Office National dEtudes et de Recherches Aerospatiales ONERA
Original Assignee
Office National dEtudes et de Recherches Aerospatiales ONERA
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 Office National dEtudes et de Recherches Aerospatiales ONERA filed Critical Office National dEtudes et de Recherches Aerospatiales ONERA
Priority to FR7405945A priority Critical patent/FR2262340A1/en
Publication of FR2262340A1 publication Critical patent/FR2262340A1/en
Application granted granted Critical
Publication of FR2262340B1 publication Critical patent/FR2262340B1/fr
Granted legal-status Critical Current

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
    • G01N21/17—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
    • G01N21/453—Holographic interferometry
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique

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)
  • Holo Graphy (AREA)

Abstract

The coherent light beam (11) from a laser source (10) is divided by a beam splitter (L1) into an object beam (FE) and a reference beam (FR), the former reflected from a mirror (M1) and passing via to lenses (O1, O2) to the object space, which is followed by a glass diffuser plate (D), the diffused light impinging on an inclined photographic plate. The reference beam (FR) is divided by a second beam splitter (L2) into two reference beams (FR1, FR2) which are deflected by respective mirrors (M2M3M4) onto the photographic plate (H), each beam (FR1, FR2) having a different angle of incidence. The plate (H) is exposed twice, the first time with no object in the object space and the second time with the object present.
FR7405945A 1974-02-21 1974-02-21 Interferometric holography process - uses interference between object and two reference beams Granted FR2262340A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7405945A FR2262340A1 (en) 1974-02-21 1974-02-21 Interferometric holography process - uses interference between object and two reference beams

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7405945A FR2262340A1 (en) 1974-02-21 1974-02-21 Interferometric holography process - uses interference between object and two reference beams

Publications (2)

Publication Number Publication Date
FR2262340A1 true FR2262340A1 (en) 1975-09-19
FR2262340B1 FR2262340B1 (en) 1979-04-06

Family

ID=9135265

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7405945A Granted FR2262340A1 (en) 1974-02-21 1974-02-21 Interferometric holography process - uses interference between object and two reference beams

Country Status (1)

Country Link
FR (1) FR2262340A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3008356A1 (en) * 1980-03-05 1981-09-17 Opto-Produkte AG, 8006 Zürich Interferometric examination of distorting optical elements - by forming master hologram with reference and object beams, for strongly refractive components

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3008356A1 (en) * 1980-03-05 1981-09-17 Opto-Produkte AG, 8006 Zürich Interferometric examination of distorting optical elements - by forming master hologram with reference and object beams, for strongly refractive components

Also Published As

Publication number Publication date
FR2262340B1 (en) 1979-04-06

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Legal Events

Date Code Title Description
ST Notification of lapse