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Dual wavelength operation in diode-end-pumped hybrid vanadate laser

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Abstract

Dual wavelength operation at 1062.8 nm and 1064.1 nm in a diode-pumped hybrid laser comprising of Nd3+-doped birefringent YVO4 and GdVO4 crystals is demonstrated. A detailed characterization of the laser is performed under CW and pulsed operation. Under Q-switching, 4 W of average power at 5 kHz repetition rate is obtained with 32 ns FWHM pulse duration corresponding to 25 kW of the peak power. The intensity and the polarization of the individual spectral components can be easily controlled by changing the relative gain and the relative orientation of the two crystals. The resulting pulsed dual-wavelength laser has the potential to be used as a source for generating terahertz radiation.

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Authors and Affiliations

  1. Solid State Laser Division, Raja Ramanna Centre for Advanced Technology, Indore, 452 013, India

    A. J. Singh, S. K. Sharma, P. K. Mukhopadhyay & S. M. Oak

Authors
  1. A. J. Singh
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  2. S. K. Sharma
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  3. P. K. Mukhopadhyay
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  4. S. M. Oak
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Corresponding author

Correspondence to P. K. Mukhopadhyay.

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Singh, A.J., Sharma, S.K., Mukhopadhyay, P.K. et al. Dual wavelength operation in diode-end-pumped hybrid vanadate laser. Pramana - J Phys 75, 929–934 (2010). https://doi.org/10.1007/s12043-010-0177-6

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  • DOI: https://doi.org/10.1007/s12043-010-0177-6

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