Laser technology is going to play an important role in advancing quantum devices, healthcare tools, and optical computing ...

Here’s a surprisly simple way to build yourself a laser-based listening device. It consists of two modules, a transmitter and a receiver. The transmitter is a set of lasers, one is visible red ...

In the image above you can see the silver cylinder which houses the laser diode. It is focusing the beam on a light dependent resistor to the right which looks almost like a red LED due to the ...

Mature (white scars) Hypertrophic or keloidal (inflamed and thickened scars) Dark pigmentation (discoloration is not true scarring and usually slowly resolves without treatment) Erythematous (pink or ...

However, accessing orange wavelengths with solid-state materials is difficult, especially if a combination of powerful continuous-wave emission, high beam ... first laser operation of a Sm 3+-doped ...