A switchable and tunable dual-wavelength single-longitudinal-mode (SLM) fiber laser in a 2-μm region based on saturable absorber and self-injection locking is proposed and experimentally demonstrated.

The LLSAW in lithium niobate on stress-free surface reveals rather high attenuation of the order of one dB per wavelength. Calculated resonant characteristics of a long IDT and dispersion curves of ...

A heat wave is coming. Delaware is in its hot girl summer era, or as the people would call it, a heat advisory. Instead of being hot and clueless, TikTokers are dropping gems on how to keep cool ...

Lexington’s division of emergency management heat plan is ready for high temperatures with multiple cooling centers, transportation options and safety advice.

The Prime Minister on Tuesday announced a series of measures aimed at ramping up pressure on Vladimir Putin as he continues to resist calls for an unconditional ceasefire in Ukraine. Speaking to ...

"I don't know how much, if at all, this impacts images of China's state or government," he said, pointing to how South Korea's undeniable soft power has not translated into similar levels of ...

All the latest science news on sound waves from Phys.org. Find the latest news, advancements, and breakthroughs.

More information: Pan Liu et al, A stable all-solid-state continuous-wave single-longitudinal-mode Nd:YVO 4 laser at 1064 nm based on the molecular iodine absorption, Optics & Laser Technology (2025).

“Dark Wave,” hosted by Slicing Up Eyeballs’ Matt Sebastian, explores the darker side of classic ’80s alternative, including vintage goth, post-punk and industrial. The shows airs at 10 p.m. to 1 a.m.

Xbox Xbox Game Pass reveals the first wave of new games for June 2025 FBC: Firebreak, Baldur’s Gate and Baldur’s Gate II: Enhanced Editions and more titles are part of the new additions coming ...