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Advantages of Diode Lasers
A laser diodeŁ¬also known as an injection laser or diode laser, is a laser where the active medium is a semiconductor similar to that found in a light-emitting diode.Laser diodes are used in optical fiber systems, compact disc (CD) players, laser printers, remote-control devices, and intrusion detection systems.
Diode lasers access to a wide range of applications, such as laser communications, optical storage, optical gyros, laser printing, radar range, and so on. Laser diodes differ from conventional lasers, such as the helium-neon (He-Ne), ruby, and gas types. In several ways, you can find diode lasers have more advantages than conventional lasers.
Small size and weight: A typical laser diode measures less than one millimeter across and weighs a fraction of a gram, making it ideal for use in portable electronic equipment.
Low current, voltage, and power requirements: Most laser diodes require only a few milliwatts of power at 3 to 12 volts DC and several milliamperes. Therefore, they can operate using small battery power supplies.
Low intensity: A laser diode cannot be used for spectacular purposes such as burning holes in metal, bringing down satellites, or blinding aircraft pilots. Nevertheless, its coherent output results in high efficiency and ease of modulation for communications and control applications.
Wide-angle beam: A laser diode produces a "cone" rather than a "pencil" of visible light or IR, although this "cone" can be collimated using convex lenses.
Diode Lasers have more advantages than conventional lasers.
Keywords
Laser Diodes,Diodes Laser,Injection Laser
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