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CAVITY MASER [2 records]
Record 1 - internal organization data 2002-11-18
Record 1, English
Record 1, Subject field(s)
- Lasers and Masers
- Spacecraft
Record 1, Main entry term, English
- active hydrogen maser
1, record 1, English, active%20hydrogen%20maser
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
The principle of operation for the active hydrogen maser is based upon a 5 MHz quartz crystal oscillator, phase locked to the hyperfine transition of the hydrogen atom. The atomic hydrogen signal generated within the physics package is then picked up by an antenna in the cavity and coupled to the synchronization unit, which synchronizes the 5 MHz crystal oscillator signal phase to the hydrogen signal phase producing the 5 MHz and 100 MHz spectrally pure sine-wave signal output. 2, record 1, English, - active%20hydrogen%20maser
Record 1, French
Record 1, Domaine(s)
- Masers et lasers
- Engins spatiaux
Record 1, Main entry term, French
- maser à hydrogène actif
1, record 1, French, maser%20%C3%A0%20hydrog%C3%A8ne%20actif
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
L'ON est en train de développer un maser à hydrogène actif pour la mission ACES de l'ESA qui devra être embarqué sur la station spatiale internationale en 2005. 2, record 1, French, - maser%20%C3%A0%20hydrog%C3%A8ne%20actif
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1985-01-14
Record 2, English
Record 2, Subject field(s)
- Lasers and Masers
Record 2, Main entry term, English
- ruby maser
1, record 2, English, ruby%20maser
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
a maser that uses a ruby crystal in the cavity resonator. 1, record 2, English, - ruby%20maser
Record 2, French
Record 2, Domaine(s)
- Masers et lasers
Record 2, Main entry term, French
- maser à rubis
1, record 2, French, maser%20%C3%A0%20rubis
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record 2, Spanish
Record 2, Textual support, Spanish
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