Michelsonov interferometer za merjenje pomikov z visoko ločljivostjo : diplomska naloga visokošolskega strokovnega študijskega programa I. stopnje strojništvo
Markežič, Mirjan
Razvili smo Michelsonov interferometer za merjenje pomikov odbojnih površin z visoko ločljivostjo. Posebnost tega interferometra je kvadraturna detekcija dveh optičnih signalov. Enostavna optična ...konfiguracija omogoča izdelavo nizko cenovnega merilnika. Delovanje interferometra smo preverili s primerjavo izmerjenega pomika s pomikom pozicionirne mizice, njegove omejitve pa eksperimentalno določili z merjenjem nihanja membrane zvočnika. Interferometer deluje s konstantno občutljivostjo v frekvenčnem pasu do 10 kHz in pravilno zazna smer pomika, če je hitrost pomika manjša od 2 mm /s. Izmerjena ločljivost je 0,1 nm, ocenjeni dinamični obseg pa večji od 10 na5. Z interferometrom smo izmerili skrček ohlajajoče se palice iz aluminijeve zlitine, preko katerega smo določili njen linearni temperaturni razteznostni koeficient.
Type of material - undergraduate thesis
; adult, serious
Publication and manufacture - Ljubljana : [M. Markežič], 2014
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