FIZIKA A 8 (1999) 1 , 11-16

MAGNETO-OPTICAL ABSORPTION SPECTRUM OF CALCIUM IN THE REGION 202 TO 209 nm

MUHAMMAD SHAFQAT MAHMOODa and ISHAQ AHMADb

aDepartment of Physics, Governement H. A. Ismailia College, Rawalpindi, Pakistan

bNational Research Council of Canada, Ottawa, Canada K1A0R9

Received 25 January 1999; Accepted 14 June 1999

The measurements of oscillator strengths of the principal series of calcium are presented. The data were taken using the magneto-optical rotation (MOR) spectroscopy technique, utilizing the plane-polarized light emitted by the 2.5 GeV electron accelerator, a 6 T superconducting magnet and a 3 m long high-dispersion spectrograph. The MOR spectra were recorded on photographic plates, which were then digitized using a high-resolution densitometer tracer. More accurate oscillator strengths of transitions, 3p64s2 1S0 3p64s np 1P1 (n = 11 to 25) have been determined.

PACS numbers: 32.70.Cs, 32.60.+i
UDC 535.568, 539.183
 
Keywords: oscillator strengths, principal series of calcium, magneto-optical rotation spectroscopy technique
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