AI Article Synopsis
- - Researchers investigated the creation of photonic surface structures on single crystal diamond using precise femtosecond UV laser techniques to achieve high-quality structures.
- - By adjusting the laser parameters (wavelength, intensity, pulse number, and polarization), they created diamond grating structures with very low surface roughness (under 1.4 nm).
- - The study also explored the optical properties of these structures and their potential application in anti-reflection coatings for diamond Raman lasers operating in the near-infrared range.
Article Abstract
We study the fabrication of photonic surface structures in single crystal diamond by means of highly controllable direct femtosecond UV laser induced periodic surface structuring. By appropriately selecting the excitation wavelength, intensity, number of impinging pulses and their polarization state, we demonstrate emerging high quality and fidelity diamond grating structures with surface roughness below 1.4 nm. We characterize their optical properties and study their potential for the fabrication of photonic structure anti-reflection coatings for diamond Raman lasers in the near-IR.
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| http://dx.doi.org/10.1364/OE.25.015330 | DOI Listing |
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