Editorial Feature

Indium Gallium Nitride (InGaN) Lasers – Properties and Applications

Jul 11 2013

Indium Gallium Nitride (InGaN) laser is a semiconductor laser. It is also called blue laser as the emitted wavelength of light is perceived as blue colour by the human eye. InGaN is essentially a semiconductor material, which is a mix of gallium nitride (GaN) and indium nitride (InN). The band gap of this material can be tuned by varying the content of indium.

InGaN laser is capable of emitting wavelength of 0.4-0.5 µm. The pump source is electric discharge. The physical properties and applications of this laser are discussed in the sections below.

Laser Properties

Laser Properties
Laser type	Solid
Pump source	Electric Discharge
Operating wavelength	0.4-0.5 µm

Physical and Chemical Properties

Physical and Chemical Properties
Chemical formula	InGaN

Applications

The primary application of InGaN laser is in data storage and as the light source for projectors.

Some of the other applications of the holmium YAG laser are listed below:

LEDs
Photovoltaics

References

InGaN Diode Lasers- properties-Rp Photonics

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