First, two AAA batteries fuel a diode laser -- similar to a standard red laser pointer -- which emits infrared light at a wavelength of 808 nanometers. That light gets funneled into a crystal of a ...

Twenty years ago, a green laser would set you back $100,000 and ... into a cigar-sized package and powered by a couple of AAA batteries. The result are devices generally advertised to have a ...

Back in the olden days, when WiFi and Bluetooth were just a glimmer in the eye of IEEE, another short-range wireless communications technology ruled supreme: Infrared Data Association, or IrDA for ...

The lasers are powered by three AA batteries, stuffed into a four-slot battery holder that was modified to accommodate a power switch. [Lou] has been wearing a nine-diode hat for a month now ...

The new MambaTM IR from Coherent is a 525 Watt (at 1064 nm), diode-pumped, solid-state laser that delivers an unmatched combination ... pump diodes fabricated using Coherent’s long lived AAA™ material ...