A Simple Technique for Obtaining a Stable Frequency Sweep in a Waveguide CO_2 Laser
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概要
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A simple technique for obtaining a stable frequency sweep in a waveguide-type CO_2 laser is described. The laser was compact, and contained a Stark cell inside its cavity, and the Stark spectrum in NH_2D was observed in the frequency range at the 10.6 μm P(20) laser transition. The frequency of the laser was stabilized at the center of the inverted Lamb dip in one of the Stark components, and a stability as high as 2.1×10^<-11> was obtained at an integration time τ of 250 s. The stabilized laser frequency was swept by slowly varying the d.c. electric field applied to the NH_2D molecules. It was swept for the whole frequency range of the single longitudinal-mode oscillation (195 MHz) while maintaining a traceability to the center frequency of the inverted Lamb dip of as high as 5.5×10^<-10>・τ^<-1/2> for 1 s≦τ≦100s.
- 社団法人応用物理学会の論文
- 1984-05-20
著者
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Tako Toshiharu
Research Laboratory Of Precision Machinery And Electronics Tokyo Institute Of Technology
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Ohtsu Motoichi
International Cooperation Center For Science And Technology Tokyo Institute Of Technology
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Ohtsu Motoichi
Interdisciplinary Graduate School Of Science And Engineering Tokyo Institute Of Technology
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Nakamura Takuo
Research Laboratory Of Precision Machinery And Electronics Tokyo Institute Of Technology
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Kunikane Tatsuro
Research Laboratory of Precision Machinery and Electronics, Tokyo Institute of Technology
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Kunikane Tatsuro
Research Laboratory Of Precision Machinery And Electronics Tokyo Institute Of Technology:(present Ad
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Tako Toshiharu
Research Laboratory Of Precision Machinery And Electonics Tokyo Institute Of Technology
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OHTSU Motoichi
International Cooperation Center for Science and Technology, Tokyo Institute of Technology
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