National Repository of Grey Literature 7 records found  Search took 0.04 seconds. 
SMV-2021-64: Development of optical references
Lazar, Josef
Development and experimental realization of optical frequency reference based on a multipath absorption cell filled with ultrapure gasees for laser frequency stabilization.
SMV-2021-63: Development of optical references
Lazar, Josef
Development and experimental realization of optical frequency reference based on a multipath absorption cell filled with ultrapure gasees for space applications.
Optical frequency references
Hrabina, Jan
Optical frequency references based on absorption cells represent a traditional and essential tool for frequency locking of precise laser standards. One of the most often used absorption media is a molecular iodine 127I2, which offers a rich atlas of strong and narrow absorption lines across mostly whole visible part of optical spectrum. The main disadvatage of this media can be seen in its high corrosivity and sensitivity to presence of foreign substances. This contribution is oriented to comparison of possible measurement methods for bulk- and also optical fiber- based iodine absorption cells quality and chemical purity testing.\n\n
Maintaining the National Time and Frequency Standard
Čermák, Jan ; Čemusová, Blanka ; Kuna, Alexander ; Pánek, Petr ; Šojdr, Ludvík ; Klimeš, Pavel
This final report gives a summary of the results obtained in time and frequency metrology at the Laboratory of the National Time and Frequency Standard at the Institute of Photonics and Electronics within the Project II/2/07 of the Program of Metreology Development.
2007 Program of Metrology Development. Progress Report on Project III/13/07 "Development of Time and Frequency Calibrations"
Čermák, Jan ; Čemusová, Blanka ; Šojdr, Ludvík ; Kuna, Alexander ; Pánek, Petr
This progress report gives a summary of the results obtained in time and frequency calibrations at the Laboratory of the National Time and Frequency Standard at the Institute of Photonics and Electronics within the Project III/13/07 of the Program of Metrology Development in the first half of 2007. The results concern a) calibration of GPS disciplined time and frequency standards, b) background instability of the measurement system based on dual-mixer time-difference multiplication, c) data processing of the GPS time transfer using all-in-view satellites.
Program of Metrology Development in 2007. Progress Report on Project II/2/07 "Operation of the National Time and Frequency Standard"
Čermák, Jan ; Čemusová, Blanka ; Šojdr, Ludvík ; Kuna, Alexander ; Pánek, Petr
This progress report gives a summary of the results obtained in time and frequency metrology at the Laboratory of the National Time and Frequency Standard at the Institute of Photonics and Electronics within the Project II/2/07 of the Program of Metrology Development in the first half of 2007.

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