National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Measurement of very small displacements with fiber-optic interferometer
Vybíral, Dominik ; Šedivá, Soňa (referee) ; Havránek, Zdeněk (advisor)
This master's thesis is focused on optical methods of measurement of very small dynamic displacements. Principles of interfermeters with picometer resolution including Fabry-Pérot interferometer are discussed and an integration using this interferometer was designed. Parasitic influencers of Fabry-Pérot interferometer were described as well as signal processing methods for interferometer's output signal. An interferometric meter for measurement of dynamic displacement was designed with frequency range of several kHz. These parameters are achieved under condition of photonic crystal layer placed on measured sample.
Measurement of very small displacements with fiber-optic interferometer
Vybíral, Dominik ; Šedivá, Soňa (referee) ; Havránek, Zdeněk (advisor)
This master's thesis is focused on optical methods of measurement of very small dynamic displacements. Principles of interfermeters with picometer resolution including Fabry-Pérot interferometer are discussed and an integration using this interferometer was designed. Parasitic influencers of Fabry-Pérot interferometer were described as well as signal processing methods for interferometer's output signal. An interferometric meter for measurement of dynamic displacement was designed with frequency range of several kHz. These parameters are achieved under condition of photonic crystal layer placed on measured sample.

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