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Cladding-like waveguide structure in Nd:YAG crystal fabricated by multiple ion irradiation for enhanced waveguide
Optics Express
|October 20, 2015
Summary
Multiple carbon ion beam irradiation created a novel cladding-like waveguide in Nd:YAG crystals. This structure enhances light intensity and waveguide lasing performance for improved laser applications.
Area of Science:
- Materials Science
- Optics and Photonics
- Ion Beam Technology
Background:
- Neodymium-doped Yttrium Aluminum Garnet (Nd:YAG) crystals are crucial for solid-state lasers.
- Fabricating efficient waveguides in Nd:YAG is essential for miniaturized and high-performance laser devices.
- Previous methods like single ion beam irradiation have limitations in controlling waveguide properties.
Purpose of the Study:
- To develop a novel cladding-like waveguide structure in Nd:YAG using multiple carbon ion beam irradiation.
- To investigate the impact of the triple refractive-index layer structure on optical confinement and light intensity.
- To demonstrate enhanced waveguide lasing performance in both planar and ridge configurations.
Main Methods:
- Fabrication of cladding-like waveguides in Nd:YAG crystals via precisely controlled multiple carbon ion beam irradiation.
- Characterization of the triple refractive-index layer structure and its effect on the refractive index profile.
- Optical pumping at 810 nm to achieve waveguide lasing at 1064 nm in both planar and ridge waveguide configurations.
Main Results:
- Successfully constructed a cladding-like waveguide with triple refractive-index layers near the Nd:YAG crystal surface.
- Observed compression of the waveguiding core and modification of the refractive index profile.
- Achieved higher light intensity compared to single ion-beam-irradiated monolayer waveguides.
- Demonstrated enhanced waveguide lasing performance at 1064 nm in both planar and ridge cladding-like structures.
Conclusions:
- Multiple carbon ion beam irradiation is an effective technique for fabricating advanced cladding-like waveguides in Nd:YAG.
- The triple refractive-index layer structure significantly improves optical confinement and laser performance.
- This approach offers a promising pathway for developing next-generation high-performance Nd:YAG lasers.
