Design of A Femtosecond Blue Pulse Generation System By Pumping Of Kn Crystal With Cr:LiSAF Lasers

Physics Laser

Authors

  • Hosein Karami Department of Physics, Islamic Azad University (IAU),Varamin, Pishva Branch, Iran
  • Mohammad Taghi Soltanifard Department of Physics, Islamic Azad University (IAU),Varamin, Pishva Branch, Iran
  • Reza Aghbolaghi Department of Physics, Islamic Azad University (IAU),Varamin, Pishva Branch, Iran

DOI:

https://doi.org/10.14331/ijfps.2013.330049

Keywords:

Nonlinear optics, Frequency conversion, Femtosecond lasers, KN crystal

Abstract

In this paper, we described and simulated the generation of the blue pulse (460nm) by nonlinear KN(KNbO3) crystal , that pumped by femtosecond diode-pumped Cr:LiSAF lasers. Our simulation shows that, by focusing on laser oscillator output pulses with characteristics such as 860nm wavelength, 200fs,330MHz repetition rate 14o Pico joule( PJ) energy in KN crystal with 3mm length at 22 0C by 15 mm lens in less than 20-micrometer spot size with single-pass produce pulses with 42pJ energy,425fs, 30% optical efficiency and 1% total efficiency.

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References

Agate, B., Kemp, A., Brown, C., & Sibbett, W. (2002). Efficient, high repetition-rate femtosecond blue source using a compact Cr: LiSAF laser. Optics Express, 10(16), 824-831.

Benjamin Agate, M. (2003). Portable and Efficient Femtosecond Cr:LiSAF Lasers. University of St Andrews.

Risk, W. P., Gosnell, T. R., & Nurmikko, A. V. (2003). Compact blue-green lasers: Cambridge University Press.

Weiner, A., Kan’an, A., & Leaird, D. (1998). High-efficiency blue generation by frequency doubling of femtosecond pulses in a thick nonlinear crystal. Optics letters, 23(18), 1441-1443.

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Published

2013-06-30

Issue

Vol. 3 No. 2 (2013): IJFPS

Section

ORIGINAL ARTICLES

License

Copyright (c) 2013 Fundamental Journals

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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