Abstract

We report for the first time to our knowledge an experimental demonstration of wavelength tuning in a broadband-emitting Ti: sapphire laser crystal based on its own birefringence properties. To investigate the tuning characteristics of the spectral filter, we have used Jones-Vector formalism. The calculated wavelength-selective tuning matches very precisely the experimental observations.

©2005 Optical Society of America

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References

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  1. D.R. Preuss and J.L. Gole, “Three-stage birefringent filter tuning smoothly over the visible region: theoretical treatment and experimental design,” Appl. Opt. 19, 702–710 (1980).
    [Crossref] [PubMed]
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    [Crossref] [PubMed]
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    [Crossref] [PubMed]
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    [Crossref] [PubMed]
  5. J. Fernández, I. Iparraguirre, I. Aramburu, A. Illarramendi, J. Azkargorta, M. Voda, and R. Balda, “K5Nd(MoO4)4: A self-tunable laser crystal,” Opt. Lett. 28, 1341–1343 (2003).
    [Crossref] [PubMed]
  6. W.R. Rapoport and C. P. Khattak, “Titanium sapphire laser characteristics,” Appl. Opt. 27, 2677–84 (1988).
    [Crossref] [PubMed]
  7. Information from Roditi Int. Corp. Ltd. UK
  8. P. F. Moulton, “Spectroscopic and laser characteristics of Ti:Al2O3,” J. Opt. Soc. Am. B 3, 125–133 (1986).
    [Crossref]
  9. S. Huard, Polarization of Light, (John Wiley & Sons, New York , 1997).
  10. A. Yariv and P. Yen, Optical Waves in Crystals, Wiley Series on Pure and Applied Optics (Wiley, New York, 1984).
  11. M. Born and E. Wolf, Principles of Optics, (Pergamon PressSixth Edition, 1983).

2003 (1)

1996 (1)

1992 (1)

1990 (1)

1988 (1)

1986 (1)

1980 (1)

Aramburu, I.

Azkargorta, J.

Balda, R.

Born, M.

M. Born and E. Wolf, Principles of Optics, (Pergamon PressSixth Edition, 1983).

Fernández, J.

Gole, J.L.

Hetherington III, William M.

Huard, S.

S. Huard, Polarization of Light, (John Wiley & Sons, New York , 1997).

Illarramendi, A.

Iparraguirre, I.

Khattak, C. P.

Moulton, P. F.

Preuss, D.R.

Rapoport, W.R.

Voda, M.

Wang, X.

Wolf, E.

M. Born and E. Wolf, Principles of Optics, (Pergamon PressSixth Edition, 1983).

Yao, J.

Yariv, A.

A. Yariv and P. Yen, Optical Waves in Crystals, Wiley Series on Pure and Applied Optics (Wiley, New York, 1984).

Yen, P.

A. Yariv and P. Yen, Optical Waves in Crystals, Wiley Series on Pure and Applied Optics (Wiley, New York, 1984).

Zagone, Robin L.

Zhu, S.

Appl. Opt. (5)

J. Opt. Soc. Am. B (1)

Opt. Lett. (1)

Other (4)

Information from Roditi Int. Corp. Ltd. UK

S. Huard, Polarization of Light, (John Wiley & Sons, New York , 1997).

A. Yariv and P. Yen, Optical Waves in Crystals, Wiley Series on Pure and Applied Optics (Wiley, New York, 1984).

M. Born and E. Wolf, Principles of Optics, (Pergamon PressSixth Edition, 1983).

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Figures (5)

Fig. 1.
Fig. 1.

Experimental set-up for the self-tuned Al2O3:Ti3+laser.

Fig. 2.
Fig. 2.

Tuning range (θi=56°) of Ti-sapphire laser as a function of φ.

Fig. 3.
Fig. 3.

Tuning range for the Ti-sapphire laser as a function of φ. The dots are the experimental points; the solid green line is the theoretical prediction from expression (1); the solid red line is the prediction after nonlinear biaxial correction.

Fig. 4.
Fig. 4.

Wavelength corresponding to the maximum of the laser emission (λmax) for different pump energies (blue dots) and the theoretical values obtained from the fitting to a model with nonlinear dependence of the refractive indices (red rhombs).

Fig. 5.
Fig. 5.

Experimental full width at half maximum (FWHM) of the laser output for different pump energies (blue dots) and calculated values (red dots)

Equations (2)

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λ max ( φ ) = e m [ n e 1 sin 2 θ i ( sin 2 φ n e 2 + cos 2 φ n o 2 ) n o 1 sin 2 θ i n o 2 ]
λ max ( φ ) = e m [ n 2 2 sin 2 θ i n 1 2 sin 2 θ i ]

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