Frequency Chain to 3.39 μm CH_4-Stabilized He-Ne Laser Using Josephson Point Contact as Harmonic Mixer
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概要
- 論文の詳細を見る
A frequency-multiplication chain to the 3.39 μm CH_4-stabilized He-Ne laser has been constructed using the Josephson point contact as a harmonic mixer. The Josephson harmonic mixer simplifies the chain because it can directly connect the 90 GHz microwave and the 4.25 THz far-infrared frequencies. Tracking oscillators, which track the beat notes by phase locking and regenerate clean signals, also have been developed to correctly count the beat frequencies. The frequency fluctuations of free-running lasers are canceled by counting the beat frequencies with coincident gate timing. The absolute frequency measurement of the He-Ne laser is reported with a standard deviation of about 5 kHz (т=8s).
- 社団法人応用物理学会の論文
- 1994-03-30
著者
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Akimoto Yoshiaki
National Research Laboratory Of Metrology
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KUROSAWA Tomizo
National Research Laboratory of Metrology
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Onae A
National Metrology Institute Of Japan (nmij)/national Institute Of Advanced Industrial Science And T
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Onae Atsushi
National Metrology Institute Of Japan
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Miki Y
National Research Laboratory Of Metrology (nrlm)
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Miki Yukinobu
National Research Laboratory Of Metrology
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SAKUMA Eiichi
National Research Laboratory of Metrology
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Sakuma E
National Research Laboratory Of Metrology
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Kurosawa T
National Metrology Institute Of Japan National Institute Of Advanced Industrial Science And Technolo
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Kurosawa Tomizo
National Metrology Institute of Japan, National Institute of Advanced Industrial Science and Technology (NMIJ/AIST)
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