Interferenzmethode zur Untersuchung der Abbildungsfehler optischer Systeme

Waetzmann, E.

doi:10.1002/andp.19123441507

Cited by 20 publications

(2 citation statements)

References 2 publications

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“…The differential interferometer is a particular form of a shearing interferometer which according to Bryngdah!5 was first applied by Waetzmann. 6 The theory of operation of a shearing interferometer using S:J,vart plates for ray separation is discussed by Bryngdahl. 7 Bryngdahl and Ljunggren 8 have used a shearing interferometer for the measurement of diffusion coefficients.…”

Section: Interferometers Are Very Versatile and Accuratementioning

confidence: 99%

“…(4) may be converted into a temperature gradient by combining the Lorenz-Lorentz equation, which relates the index of refraction to the density of the air surrounding the test object,1 and the ideal gas equation of state which relates the air pressure P to the density and temperature. The resulting relation is an GP (aT) ay =-1.5 RP ay , (6) where R is the gas constant for air and G is the Gladstone-Dale constant for the particular wavelength of light used as the source. By combining Eqs.…”

Section: Application To Heat Transfer Measurementsmentioning

confidence: 99%

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Application of a Differential Interferometer to the Measurement of Heat Transfer Coefficients

Black

Carr

1971

Review of Scientific Instruments

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The basic components and principles of operation of a differential interferometer are discussed. This type of interferometer is inexpensive, relatively insensitive to vibration, and does not require extensive alignment adjustments. For free convection to an ideal gas the differential interferometer produces a fringe shift that is a function of the temperature gradient. The interferometer described is capable of producing an infinite fringe pattern in which fringe lines correspond to lines of constant index of refraction gradient. These facts make the differential interferometer useful for the measurement of convective heat transfer coefficients and flow visualization, particularly in dynamic systems and in cases where there are rapid fluctuation in the flow structure. A derivation of an expression for the free convection heat transfer coefficient is presented as a function of fringe shift. Several interferograms are included.

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Section: Interferometers Are Very Versatile and Accuratementioning

confidence: 99%

Section: Application To Heat Transfer Measurementsmentioning

confidence: 99%

Application of a Differential Interferometer to the Measurement of Heat Transfer Coefficients

Black

Carr

1971

Review of Scientific Instruments

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Über eine Abart der Jaminschen Interferenzanordnung

Bratke¹,

Waetzmann²

1923

Annalen der Physik

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Über die Prüfung optischer Systeme mit Rastern

Schulz¹

1928

Annalen der Physik

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Hierzu Tafel YII bis IX) Inhal t. I. Einleitung: 1. Die Aberrationen, DarstellungsmSgliehkeiten der sphariechen Aberration; 2. Grunderscheinungen, Problemstellung. -11. Die Apparatur: 1. Die Lichtquelle; 2. Dns Gitter; 3. Der Aufnahmeapparat. -111. Die geometrisch-optische Theorie der Schattenstreifen: 1. Die analytische Dsrstellung; 2. Die Formen der Schattenkurven. -1V. Die experimentelle Ausfiihrung der Methode: 1. Die Justierung der Apparatur; 2. Die Aufnahme von Photogrammen; 3. Die kuswertung der Photogramme; 4. Beispiele der Auswertune ; 5. Die Verwendung von Kreuzrastrrn. -V. Die Beugungserscheinungen: 1. Beschreibung; 2. Erklarung; 3. Sekundare Kurvensysteme; 4. Folgerungen fiir die Ausmessung der Photogramme. -VI. Die Beziehungen der Bastermethode zu den anderen Priifmethoden: 1. Die Methoden von Foucault und Toepler; 2.

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Interferenzmethode zur Untersuchung der Abbildungsfehler optischer Systeme

Cited by 20 publications

References 2 publications

Application of a Differential Interferometer to the Measurement of Heat Transfer Coefficients

Application of a Differential Interferometer to the Measurement of Heat Transfer Coefficients

Über eine Abart der Jaminschen Interferenzanordnung

Über die Prüfung optischer Systeme mit Rastern

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