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  • Digitale Medien  (2)
  • 32.80.Fb  (1)
  • 42.55.Mv  (1)
Materialart
  • Digitale Medien  (2)
Erscheinungszeitraum
  • 1
    ISSN: 1432-0649
    Schlagwort(e): 42.55.Mv ; 06.60.Jn ; 07.35.+k
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract It is demonstrated that broadly tunable picosecond pulses are generated from a dye laser of very short cavity utilizing a diamond-anvil cell, which operates at pressures up to 10 GPa. The pulses as short as 5 ps are obtained from the rhodamine 6G dye laser pumped by a frequency-doubled Q-switched Nd: YAG laser. The way of tuning is based on the pressure induced shift of the emission peak of the dye. The laser is tunable over 20 nm by changing the pressure of the cell within 4 GPa.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    Applied physics 44 (1987), S. 163-166 
    ISSN: 1432-0649
    Schlagwort(e): 32.80.Fb
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Titanium isotopes were selectively excited and photoionized using a two-step photoionization method, and the isotope separation was demonstrated, in which a separation factor of around 15 for50Ti was obtained. Spectroscopic parameters such as isotope shifts, photo-ionization cross section and excited state lifetimes were also measured. Isotope shifts up to 0.92 GHz were obtained for the transitions between 0 and 19938 cm−1 or between 170 and 20006 cm−1 among five isotopes. The cross section is 7.4×10−17 cm2 for the photo-ionization. The excited state lifetimes are 330±20 ns for 19938 cm−1, 260±15 ns for 20006 cm−1 and 250±15 ns for 20126 cm−1.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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