650nm laser diode, (LD) are simple, low-cost laser diodes great for your embedded electronics project. These encapsulated laser diodes are Class IIIa 5mW, with a 650nm red wavelength. 650nm laser diode also referred to as injection laser diode (ILD), or diode laser is a semiconductor device. These are almost like a LED during which a diode-pumped directly with electrical current can create lasing conditions at the diode’s junction. Laser diodes can directly convert electricity into light. So by simply connecting power to the red and black wires and you’ll be lasing in no time. 650nm 6mm 5V DC 5mW Mini Laser Dot Diode Module which is formed of Diode Copper Head. Thus these Red Dot laser diodes are ideal for 3V 5mW standard, with 6mm outside diameter, are often wont to connect diode tubes for multiple uses.
In short, the Laser diode is an optoelectronic device, which converts electricity into light energy to supply high-intensity coherent light. The p-n junction of the semiconductor diode acts as the laser medium or active medium in the laser diode. Laser light is monochromatic, which means it consists of one color i.e. Red and not a mix of colors. Moreover, Laser light is additionally called coherent light, one wavelength, as compared to incoherent light, which consists of a good band of wavelengths.
- Industrial applications: Engraving, cutting, scribing, drilling, welding, etc.
- Medical applications: unwanted tissue removal, cancer cell diagnostics using fluorescence, dental medication.
- Use for DIY or robots
- All kinds of level meters
- Laser projector
- Laser toys, etc.
- Military application
- Data storage