Reduction of velocity-changing -collision effects by POLINEX method in La Hollow cothode discharge lamp
Chae, In Ok; Park, Hyun Min; Jung, E. C.; Rhee, Yong Joo; Lee, Jong Min
Proceedings of the eighth symposium on laser spectroscopy2000
Proceedings of the eighth symposium on laser spectroscopy2000
AbstractAbstract
[en] In this paper, we tried to reduce the velocity-changing-collision (VCC) effects in an La hollow cathode discharge lamp by a polarization intermodulated excitation(POLINEX) method. For an atomic excitation laser, we used a single-mode tunable diode laser with an external cavity. The power of the diode laser was amplified to more than 500 mW by using a master-oscillator power-amplifier (MOPA) configuration. As a result, when a POLINEX method is adopted, we can observe a decrease of VCC effects in 675.304 transition lines of La, compared with the case of saturation absorption spectroscopy
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KAERI, Taejon (Korea, Republic of); 353 p; 2000; p. 156-160; 8. symposium on laser spectroscopy; Taejon (Korea, Republic of); 3-4 Nov 2000; Available from KAERI, Taejon (KR); 2 refs., 3 figs.
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Miscellaneous
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Conference
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