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Related Experiment Videos

Monolithic Nd:YVO4 slab oscillator-amplifier.

Zhe Ma1, Daijun Li, Peixin Hu

  • 1EdgeWave GmbH, Würselen, Germany. mazh_thu@hotmail.com

Optics Letters
|April 19, 2007
PubMed
Summary
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This study presents a compact, efficient, and reliable monolithic neodymium-doped yttrium orthovanadate (Nd:YVO4) slab oscillator-amplifier. It achieves high continuous wave output power and stable pulsed operation with excellent beam quality.

Area of Science:

  • Laser Physics
  • Materials Science
  • Optical Engineering

Background:

  • High-power, efficient, and reliable lasers are crucial for various scientific and industrial applications.
  • Neodymium-doped yttrium orthovanadate (Nd:YVO4) is a well-established gain medium for solid-state lasers.
  • Compact and monolithic laser designs offer advantages in stability and reduced footprint.

Purpose of the Study:

  • To develop and characterize a compact, efficient, and reliable monolithic Nd:YVO4 slab oscillator-amplifier.
  • To evaluate the laser's performance in both continuous wave (cw) and electro-optically Q-switched operation.
  • To assess the stability and beam quality of the developed laser system.

Main Methods:

  • Design and fabrication of a monolithic Nd:YVO4 slab oscillator-amplifier.

Related Experiment Videos

  • Characterization of output power and optical-to-optical efficiency in cw operation.
  • Evaluation of average power, repetition rate, pulse width, and pulse energy stability in Q-switched operation.
  • Measurement of beam quality factor (M2) in both cw and pulsed modes.

    • Main Results:

    • Achieved a continuous wave output power of 29.3 W with an optical-to-optical efficiency of 24%.
    • Delivered 28.8 W of average power in electro-optically Q-switched operation at 100 kHz with a 15 ns pulse width.
    • Demonstrated RMS pulse energy stability better than 1.7%.
    • Obtained a beam quality factor (M2) under 1.3 for both cw and pulsed operation.

    Conclusions:

    • The monolithic Nd:YVO4 slab oscillator-amplifier is a compact, efficient, and reliable laser source.
    • The system exhibits excellent performance in both cw and pulsed modes, suitable for demanding applications.
    • The high beam quality and stability make this laser attractive for scientific research and industrial use.