You can get a red laser diode pretty cheap these days—as cheap as £1 in fact. [Beamer] had purchased one himself, but quickly grew bored with just pointing it at the walls. He decided to figure ...

Little Laser Trip Wire circuit presented here can detect movement of people or objects while passing through the laser beam and trigger security alarms as alert signals to those concerned. What is ...

You can get a red laser diode pretty cheap these days—as cheap as £1 in fact. [Beamer] had purchased one himself, but quickly grew bored with just pointing it at the walls. He decided to figure ...

Tiny light-emitting diodes with optical microsystems that can produce all the colors of the rainbow, a new method for producing printed circuit boards – Fraunhofer researchers are showing ...

The HL63153AT laser diode offers the highest single-transverse-mode optical output power at a red wavelength available on the market, with 25% more power than its predecessor. This technology ...

Efficient Power Conversion has introduced a 28A 1.2ns laser pulser demonstration and development board built around one if its GaN power transistors. The intended application is ‘time-of-flight’ range ...