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Fritz Peter Schäfer

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(Redirected from F. P. Schäfer) German physicist

Fritz Peter Schäfer (15 January 1931 – 25 April 2011) was a German physicist, born in Hersfeld, Hesse-Nassau. He is the co-inventor of the organic dye laser. His book, Dye Lasers, is considered a classic in the field of tunable lasers. In this book the chapter written by Schäfer gives an ample and insightful exposition on organic laser dye molecules in addition to a description on the physics of telescopic, and multiple-prism, tunable narrow-linewidth laser oscillators.

In their original experiment Schäfer and colleagues employed a ruby laser to optically excite various infrared organic dyes. These dyes emitted laser radiation in the 731-835 nm range. Schäfer et al. achieved high power outputs at a bandwidth of approximately 10 nm. Schäfer also experimented with laser dyes in the vapor phase under optical excitation.

In addition to his pioneering work on the dye laser, Schäfer also made important contributions to femtosecond lasers and the application of these lasers in plasma physics.

Schäfer was Director of the Max Planck Institute for Biophysical Chemistry in Göttingen.

References

  1. F. P. Schäfer (Ed.), Dye Lasers 2nd Edition (Springer-Verlag, Berlin, 1990).
  2. F. J. Duarte and L. W. Hillman (Eds.), Dye Laser Principles (Academic, New York, 1990).
  3. Hänsch, T. W. (1972-04-01). "Repetitively Pulsed Tunable Dye Laser for High Resolution Spectroscopy". Applied Optics. 11 (4). The Optical Society: 895–8. Bibcode:1972ApOpt..11..895H. doi:10.1364/ao.11.000895. ISSN 0003-6935. PMID 20119064.
  4. Duarte, F.J.; Piper, J.A. (1980). "A double-prism beam expander for pulsed dye lasers". Optics Communications. 35 (1). Elsevier BV: 100–104. Bibcode:1980OptCo..35..100D. doi:10.1016/0030-4018(80)90368-5. ISSN 0030-4018.
  5. Schäfer, Fritz P.; Schmidt, Werner; Volze, Jürgen (1966-10-15). "Organic Dye Solution Laser". Applied Physics Letters. 9 (8). AIP Publishing: 306–309. Bibcode:1966ApPhL...9..306S. doi:10.1063/1.1754762. ISSN 0003-6951.
  6. Steyer, Bernd; Schäfer, Fritz P. (1974). "A vapor-phase dye laser". Optics Communications. 10 (3). Elsevier BV: 219–220. Bibcode:1974OptCo..10..219S. doi:10.1016/0030-4018(74)90143-6. ISSN 0030-4018.
  7. Szatmári, S.; Schäfer, F.P.; Müller-Horsche, E.; Müchenheim, W. (1987). "Hybrid dye-excimer laser system for the generation of 80 fs, 900 GW pulses at 248 nm". Optics Communications. 63 (5). Elsevier BV: 305–309. Bibcode:1987OptCo..63..305S. doi:10.1016/0030-4018(87)90181-7. ISSN 0030-4018.
  8. Szatmári, S.; Schäfer, F.P. (1988). "Simplified laser system for the generation of 60 fs pulses at 248 nm". Optics Communications. 68 (3). Elsevier BV: 196–202. Bibcode:1988OptCo..68..196S. doi:10.1016/0030-4018(88)90184-8. ISSN 0030-4018.
  9. Fedosejevs, R.; Ottmann, R.; Sigel, R.; Kühnle, G.; Szatmari, S.; Schäfer, F. P. (1990-03-12). "Absorption of femtosecond laser pulses in high-density plasma". Physical Review Letters. 64 (11). American Physical Society (APS): 1250–1253. Bibcode:1990PhRvL..64.1250F. doi:10.1103/physrevlett.64.1250. hdl:11858/00-001M-0000-002C-363D-2. ISSN 0031-9007. PMID 10041346. S2CID 22155760.
  10. Teubner, U.; Bergmann, J.; van Wonterghem, B.; Schäfer, F. P.; Sauerbrey, R. (1993-02-08). "Angle-dependent x-ray emission and resonance absorption in a laser-produced plasma generated by a high intensity ultrashort pulse". Physical Review Letters. 70 (6). American Physical Society (APS): 794–797. Bibcode:1993PhRvL..70..794T. doi:10.1103/physrevlett.70.794. ISSN 0031-9007. PMID 10054205.


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