Instead, Matthew Salazar said he saw the bright blue light from his backyard in Granite Bay while looking east toward Folsom ...

The laser chamber contains a gas mixture of argon and fluorine and a buffer gas like neon. When high-voltage ... modern immersion DUV tools. The 193-nm beam is then directed through an optical ...

At ESO’s Paranal Observatory in Chile’s Atacama Desert, visitors can experience some of the darkest and clearest night skies ...

Helium-neon lasers may be little more than glorified ... through the partial mirror to form a coherent, monochromatic laser beam. By contrast, an open-cavity laser has a gas-discharge tube sealed ...

Tying light from lasers into stable 'optical knots' Interference patterns between overlapping laser beams could transmit encoded information over thousands of feet through chaotic environments ...

Helium-neon lasers may be little more than glorified ... through the partial mirror to form a coherent, monochromatic laser beam. By contrast, an open-cavity laser has a gas-discharge tube sealed ...