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Xi’an, China – September 29, 2025 – Focuslight Technologies Inc., a global leader in high-power diode lasers and photonics solutions, has once again proven the long-term reliability of its products with a remarkable ten-year customer case.
An overseas medical equipment manufacturer recently returned a high-power diode laser purchased from Focuslight in 2015 for evaluation. After a decade of continuous operation in customer’s equipment, the unit was tested by Focuslight’s engineering team. Following routine window cleaning and inspection, results showed that, aside from a minor reduction in bar power due to natural aging, the laser continued to perform strongly across all key parameters—including wavelength stability, spectral quality, and near-field beam profile. Its performance degradation was found to be well better than the industry average.
LIV Measurement Data Comparison (2015 vs. 2025)
(the picture above) Date: November 19, 2015
(the picture above) Date: September 23, 2025
Near Field Measurement
(the picture above) Date: September 23, 2025
“This case underscores two important factors: the customer’s excellent maintenance practices, and the inherent reliability of Focuslight’s diode laser technology,” said Gavin Zhu, Vice President of Quality at Focuslight. “It highlights our commitment not only to delivering high-performance diode lasers but also to ensuring their stability and reliability in long-term applications. Reliability is at the heart of our quality culture.”
Focuslight’s quality philosophy, “Quality First, Customer-Centric,” is embedded throughout the company’s R&D, manufacturing, and service processes. With advanced Six Sigma practices, a zero-defect approach, and digital quality traceability systems, Focuslight ensures its products consistently meet the highest standards of reliability.
As a trusted photonics partner, Focuslight continues to advance innovation and reliability in high-power diode lasers and related applications, serving customers in medical, industrial, and scientific fields worldwide.
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