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Related Experiment Video

Updated: Jun 8, 2026

Using a 1064-nm Picosecond Neodymium-Doped Yttrium Aluminum Garnet Laser for Periorbital Hyperpigmentation
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Laser ceramic materials for subpicosecond solid-state lasers using Nd3+-doped mixed scandium garnets.

Hajime Okada1, Momoko Tanaka, Hiromitsu Kiriyama

  • 1Advanced Photon Research Center, Japan Atomic Energy Agency, 8-1-7 Kizugawa-City, Kyoto 619-0215, Japan. okada.hajime@jaea.go.jp

Optics Letters
|September 18, 2010
PubMed
Summary

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New Nd-doped mixed scandium garnets offer broadband emission for subpicosecond lasers. These laser ceramics exhibit a wider bandwidth and efficient energy extraction, making them ideal for high-repetition-rate systems.

Area of Science:

  • Materials Science
  • Laser Physics
  • Solid-State Photonics

Background:

  • Neodymium-doped (Nd(3+)) materials are crucial for solid-state lasers.
  • Nd:YAG lasers are widely used but have limitations in bandwidth.
  • Developing new host materials is essential for advancing laser technology.

Purpose of the Study:

  • To develop and demonstrate novel Nd-doped mixed scandium garnets.
  • To investigate their potential as laser host materials for subpicosecond applications.
  • To evaluate their optical and thermal properties.

Main Methods:

  • Fabrication of Nd-doped mixed scandium garnets using laser ceramic technology.
  • Characterization of fluorescence spectra to determine emission bandwidth.

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  • Measurement of emission cross-section and thermal conductivity.

    • Main Results:

    • Achieved broadband emission with a bandwidth exceeding 5 nm due to inhomogeneous broadening of Nd(3+) fluorescence lines.
    • Demonstrated potential for subpicosecond mode-locked pulse durations, surpassing Nd:YAG.
    • Measured an emission cross-section of 7.8 × 10(-20) cm(2) and thermal conductivity of 4.7 W/mK.

    Conclusions:

    • Nd-doped mixed scandium garnets are promising laser host materials.
    • Their broadband emission and favorable properties enable efficient diode-pumped subpicosecond laser systems.
    • These ceramics offer high efficiency and high repetition rates for advanced laser applications.