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Fiber optic components enable high-performance 2-µm fiber lasers

Laser systems operating in the 2-micrometer wavelength range open diverse opportunities in medical technology, agriculture, and plastics processing. In the Eurostars project DECOMP, Laser Zentrum Hannover e. V. (LZH) has developed novel fiber optic components that overcome previous technical barriers.

Thulium-doped fiber lasers operate at a wavelength of approximately 2 micrometers, making them particularly well-suited for applications where conventional lasers reach their limits. However, commercially available laser sources that simultaneously offer high beam quality, sufficient laser power, and the necessary reliability in quasi-continuous-wave operation at power levels around 1 kilowatt have been lacking.

In the project, LZH scientists developed novel fiber optic components based on triple-clad fibers that enable a reliable and low-maintenance laser architecture. For the implementation of the final laser system, LZH collaborated with Futonics Laser GmbH as well as South Korean partners COSET, inc. and the Korean Photonics Technology Institute.

Stanford’s Revolutionary New Microscope Reveals Living Cells in Stunning Detail

Stanford researchers have developed a microscope that can show how nanostructures interact inside living cells at the highest resolution achieved so far. The view into living cells just got better. Stanford researchers have merged two microscopy methods to build a unique instrument that can ca

Dutch Authorities Dismantle Botnet Linked to 17 Million Infected Devices

Dutch authorities have announced the takedown of a botnet that enslaved millions of infected devices, including computers, tablets, smartphones, and IoT devices, to carry out malicious attacks.

The bot network, per the Dutch Politie and the National Cyber Security Center (NCSC), consisted of at least 17 million infected devices. More than 200 servers located in the Netherlands acted as the platform’s backend infrastructure.

According to a statement issued by the NCSC, police officials seized a subset of these servers from a hosting provider that provided the infrastructure. The provider is said to have subsequently taken the botnet offline following its use for criminal purposes.

Critical Windows Netlogon RCE flaw now exploited in attacks

The Centre for Cybersecurity Belgium (CCB), the country’s national authority for cybersecurity, warned on Friday that threat actors are now exploiting a recently patched critical Windows Netlogon vulnerability in attacks.

Netlogon is a remote procedure call (RPC) interface and a core Microsoft Windows Server background service that authenticates services and users on Windows domain-based networks.

Microsoft patched this vulnerability (CVE-2026–41089) during the May 2026 Patch Tuesday, describing it as a stack-based buffer overflow in Windows Netlogon that allows attackers without privileges to gain remote code execution on targeted domain controllers.

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