Back
 OPJ  Vol.4 No.8 , August 2014
CW-Dye Laser Spectrometer for Ultrahigh Resolution Spectroscopy: Design and Performance
Hassan El-Kashef*
Show more
Abstract: This work is devoted to building-up of ultrahigh resolution cw-dye laser spectrometer system. This system used self-frequency-stabilized and temperature-compensated plano-confocal reference cavity. The one-way propagation is achieved using new construction of optical diode. The laser frequency selection and tuning is accomplished using Mach-Zehnder interferometer of free spectral range 42.5 GHz. In combination with computerized tunable radio frequency technique, this system is capable of a resolution of about ±1 KHz. Applications for measuring high lying, weakly occupied metastable states of free atoms (line 548.792 nm of V-51) are investigated to a high degree of accuracy. The results of the constants A and B of the hfs as measured by fluorescence spectroscopy show that A = 160.762 and B = -17.918, while the obtained results for the hfs constants A and B as measured by laser-RF double resonance technique give A = 160.9950 and B = -17.3358.
Keywords: Dye Laser, Optical Spectroscopy, Radio Frequency Technique, Hyperfine Structure of Atoms
Cite this paper: El-Kashef, H. (2014) CW-Dye Laser Spectrometer for Ultrahigh Resolution Spectroscopy: Design and Performance. Optics and Photonics Journal, 4, 228-236. doi: 10.4236/opj.2014.48023.
References

[1]   Childs, W.J. and Goodman, L.S. (1967) Hyperfine Structure of Nine Levels in Two Configurations of V51. I Experimental. Physical Review Letters, 156, 64-70.
http://dx.doi.org/10.1103/PhysRev.156.64

[2]   Childs, W.J. (1973) Fine and Hyperfine Structure of Free Atoms. Bonn University, Institute fuer Angevandte Physik, Germany

[3]   Ertmer, W. and Hofer, B. (1976) Zero-Field Hyperfine Structure Measurements of the Metastable States 3d2 4s 4F3/2, 9/2 of 45Sc Using Laser Fluorescence Atomic-Beam-Magnetic-Resonance Technique. Zeitshrift fuer Physik A, 276, 9-14.

[4]   Kroel, S. and Persson, A. (1985) Hyperfine Sstructure Measurements in 51V Using Doppler Free Saturated Absorption and Polarization Spectroscopy. Optics Communications, 54, 277-282.
http://dx.doi.org/10.1016/0030-4018(85)90354-2

[5]   Arimondo, E., Inguscio, M. and Violing, P. (1977) Experimental Determinations of the Hyperfine Structure in the Alkali Atoms. Review of Modern Physics, 49, 31-75.
http://dx.doi.org/10.1103/RevModPhys.49.31

[6]   Guthoehrleinnd, G.H. and Keller, H.P. 1990) Doppler-Free Laser Spectroscopic Investigations of the Hyperfine Structure in the Atomic Cobalt. Spectrum. Zeitschrift fuer Physik D—Atoms, Molecules and Clusters, 17, 181-193.
http://dx.doi.org/10.1007/BF01437898

[7]   Gustausson, M., Olsson, G. and Rosen, A. (1979) Hperfine Structure Investigations in the 6s5d Configuration of 235Ba and 137Ba. Zeitschrift fuer Physik A—Atoms and Nucle, 290, 231-243.
http://dx.doi.org/10.1007/BF01408538

[8]   Kim, J.-T. Zhen, L., Kapitanov, V., Kim, H.S. Park, J.P. and Park, S.-H. (2011) Hyperfine Structure Measurement of Rubidium atom and Tunable Diode Laser Stabilization by Using Sagnac Interferometer. Journal of Nanoscience and Nanotechnology, 6, 3559-3561.
http://dx.doi.org/10.1166/jnn.2006.056

[9]   El-Kashef, H. and Hassan G.E. (1992) Stability Conditions of the Dye-Laser Circulation System. Acta Physica Slovaca, 42, 305-309.

[10]   El-Kashef, H. (1993) New High Interferometric Quality Dye Laser Jet Nozzle. Optics Communications, 100, 141-146.

[11]   Kriz, H. (1980) Aufbau eines Ein Moden Farbst off Ringlaser Diplomarbeit. Bonn University, Instutite fuer Angewandte Physik, Germany.

[12]   El-Kashef, H. (1992) New Development of Mach-Zehnder Interferometer for Laser Frequency Selection and Tuning. Journal of Modern Optics, 39, 43-47.
http://dx.doi.org/10.1080/713823357

[13]   Sugar, J. and Corliss, C. (1978) Energy Levels of Vanadium, V I through V XXIII. Journal of Physical Chemistry Reference Data, 7, 1191.
http://dx.doi.org/10.1063/1.555578

 
 
Top