National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Semiconductor lasers with high coherence and their application, activities of the Coherence Optics Department in ISI, ASCR
Lazar, Josef
Pracoviště oddělení Koherenční optiky svými aktivitami navazuje na tradici výzkumu a vývoje v oblasti laserů s vysokou koherencí a jejich aplikaci především pro metrologické účely. Tým Ing. Františka Petrů, DrSc. vyvinul první plynový laser v tehdejší ČSSR a následně dovedl technologii He-Ne laserů k vysoké dokonalosti. Ve svém úsilí se soustředil na frekvenčně stabilizované lasery pro laserovou interferometrii a následně v souvislosti s definicí jednotky délky prostřednictvím rychlosti šíření světla ve vakuu též na konstrukci laseru - primárního etalonu délky, resp. optické frekvence.295 The workplace of the Coherence Optics Department continues in the tradition of the research and development in the area of lasers with high coherence and their application especially for metrological purposes. The team of Ing. František Petrů, DrSc, developed first gaseous laser in the former CSSR and then led the technology of He-Ne lasers to highest perfection. It focused its striving to the frequency-stabilised lasers for laser interferometry and then, in correspondence with the definition of the unit of length by means of light propagation in vacuum, also to the construction of a laser - primary length, i.e. optical frequency etalon.
Semiconductor lasers for metrology and telecommunications
Růžička, Bohdan
The subject of my work is realisation of a semiconductor source of coherent radiation in the infra-red area with relative frequency stability at least of 10.sup.-8./sup., which could become the basis of a future etalon of wavelengths for optical communication in the Czech Republic. I am a member of a research team which solves these problems at the workplace of the Institute of Scientific Instruments of the Academy of Sciences of the Czech Republic.
Proceedings - IEEE Radesin 2003
Růžička, Bohdan ; Kratochvíl, T. ; Lazar, Josef
A conference held by the student section IEEE at University of Technology in Brno in cooperation with Czech University of Technology and the Institute of Scientific Instruments of the Academy of Sciences of the Czech Republic.

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