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http://dbpedia.org/ontology/abstract A Mirau interferometer works on the same bA Mirau interferometer works on the same basic principle as a Michelson interferometer. The difference between the two is in the physical location of the reference arm. The reference arm of a Mirau interferometer is located within a microscope objective assembly. It is named after André Henri Mirau, who filed a patent on the concept in 1949. A schematic of a Mirau interferometer is shown on the right. At the beam splitter the source light is split into a reference path (reflected) and a sampling path (transmitted onto the sample). On the comparison face there is a mirrored circle in the middle. The two paths recombine to form an interference image. By changing the z position of the sample, interference images are acquired at a sequence of path (phase) differences: 0, λ/4, λ/2, and 3λ/4. These interference maps are functions of background intensity, fringe modulation, and phase. Three such images provide enough information to solve for the topographic image of a sample. This orientation is often used in optical profilometers due to the increase in stability between the sample and reference path lengths.een the sample and reference path lengths. , Ein Mirau-Interferometer oder Mirau-ObjektEin Mirau-Interferometer oder Mirau-Objektiv ist ein Weißlichtinterferometer, das aus einem Mikroskopobjektiv, einem halbdurchlässigen Spiegel und einem Referenzspiegel besteht. Es wird meist zur optischen Vermessung und Klassifizierung von spiegelnden Oberflächen eingesetzt. Es wurde am 3. März 1949 von dem französischen Optiker André Henri Mirau zum Patent angemeldet.r André Henri Mirau zum Patent angemeldet.
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rdfs:comment Ein Mirau-Interferometer oder Mirau-ObjektEin Mirau-Interferometer oder Mirau-Objektiv ist ein Weißlichtinterferometer, das aus einem Mikroskopobjektiv, einem halbdurchlässigen Spiegel und einem Referenzspiegel besteht. Es wird meist zur optischen Vermessung und Klassifizierung von spiegelnden Oberflächen eingesetzt. Es wurde am 3. März 1949 von dem französischen Optiker André Henri Mirau zum Patent angemeldet.r André Henri Mirau zum Patent angemeldet. , A Mirau interferometer works on the same bA Mirau interferometer works on the same basic principle as a Michelson interferometer. The difference between the two is in the physical location of the reference arm. The reference arm of a Mirau interferometer is located within a microscope objective assembly. It is named after André Henri Mirau, who filed a patent on the concept in 1949. This orientation is often used in optical profilometers due to the increase in stability between the sample and reference path lengths.een the sample and reference path lengths.
rdfs:label Mirau interferometer , Mirau-Interferometer
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