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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 3 — Jan. 20, 2004
  • pp: 678–681

Model of a Multiple-Line Distributed-Feedback Dye Laser

Nasrullah Khan  »View Author Affiliations


Applied Optics, Vol. 43, Issue 3, pp. 678-681 (2004)
http://dx.doi.org/10.1364/AO.43.000678


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Abstract

The theoretical basis for simultaneous oscillation of 2N − 3 laser lines is due to interference of N (for all even N ≥ 2) pump beams in a distributed-feedback dye laser is described. Multiple gratings are produced in a dye solution by interference patterns of N/2 pairs of a frequency-doubled Nd:YAG laser. N/2 pairs of mutually time-delayed pulses induce multiple gratings of different periodicities, of which 2N − 3 gratings support oscillation of 2N − 3 lines and the remaining gratings, because of their larger periods, cannot support Bragg scattering. The maximum number of laser lines depends on the mutual delay between adjacent pairs of beams, coherence, states of polarization, pulse lengths, and of course the number of pulses. For three pairs of excitation beams derived from the same source through wave-front or amplitude phase division techniques, the output lasing lines varied from a minimum of three to a maximum of nine. This research was carried out by pumping of a dye solution with two, four, and six pulses, but the principle may be extended to multiple output lines, depending on the number of pump pulses and on the gain of the dye solution.

© 2004 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(050.5080) Diffraction and gratings : Phase shift
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.2050) Lasers and laser optics : Dye lasers
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(230.1480) Optical devices : Bragg reflectors

Citation
Nasrullah Khan, "Model of a Multiple-Line Distributed-Feedback Dye Laser," Appl. Opt. 43, 678-681 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-3-678


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References

  1. C. V. Shank, J. E. Bjorkholm, and H. Kogelnik, “Tunable distributed feedback dye laser,” Appl. Phys. Lett. 18, 395–396 (1971).
  2. A. N. Rubonov, T. Sh. Efendiev, A. V. Adamushko, and J. Bor, “Multifrequency operation of distributed feedback dye laser with high repetition rate,” Opt. Commun. 18, 18–23 (1976).
  3. M. B. Ahmad and P. K. Palanisamy, “Nd:YAG laser pumped energy transfer distributed feedback dye laser in a Rhodamine 6G and Acid Blue 7 dye mixture,” Opt. Commun. 213, 67–80 (2002).
  4. T. Sh. Efendiev and A. N. Rubinov, “Dye laser with a distributed feedback induced by second harmonic of neodymium laser,” Sov. J. Quantum Electron. 5, 479–482 (1975).
  5. A. N. Rubinov, T. Sh. Efendiev, and A. V. Adamushko, “Simultaneous oscillation of several independently tunable spectral lines in a distributed feedback dye laser,” Opt. Commun. 20, 159–162 (1977).
  6. A. Muller, “Two independently tunable distributed feedback dye laser pumped by single picosecond Nd:YAG laser,” Appl. Phys. B 63, 443–444 (1996).
  7. H. J. Eichler, P. Gunter, and D. W. Pohl, eds., Laser Induced Dynamic Gratings, Vol. 50 of Springer-Verlag Series on Optical Sciences (Springer-Verlag, Berlin, 1986), pp. 17–18.

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