en.Wedoany.com Reported - Diamond Quanta Inc. has published a paper in the journal *Carbon Trends*, reporting that sub-melting nanosecond pulsed laser treatment can induce measurable densification and strain field relaxation in single-crystal diamond without detectable graphitization. The study combines interferometric surface topography, Raman spectroscopy, and electron microscopy to evaluate the response of single-crystal diamond to controlled pulsed laser irradiation. Dislocation-related strain and defect networks in single-crystal diamond can limit the performance of quantum, photonic, thermal, and microelectronic devices. The strain field relaxation affected by this process extends to device-relevant depths of approximately 2 to 3 micrometers, beyond the nanoscale densification features measured at the surface.

This peer-reviewed paper notes that defects and strain fields are key challenges limiting the broader application of diamond materials in optics, semiconductors, photonics, and quantum systems. Adam Khan, founder and CEO of Diamond Quanta and lead author of the study, stated that sub-melting nanosecond laser treatment can densify and relax strain fields in single-crystal diamond without graphitization, strengthening the scientific foundation of the company's engineered diamond process platform and the next phase of tool-driven development. Co-author Ted Laurence of Lawrence Livermore National Laboratory noted that the study demonstrates how controlled laser processing can be used to probe and modify the near-surface structural state of diamond while maintaining its crystalline phase.

This paper aligns with Diamond Quanta's technology roadmap. The company is preparing to deploy an alpha diamond processing tool, targeting completion by late summer. This system is expected to integrate a laser module embodying the same sub-melting treatment concept. Michael Pierantozzi, co-founder and COO of Diamond Quanta, stated that independent peer-reviewed validation reduces the commercialization risk of the emerging materials platform, and the paper reinforces the technological foundation behind the Adamantine Platform™. Paper link and DOI: https://doi.org/10.1016/j.cartre.2026.100664

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