Laser diodes can be used in a variety of industries. Applications for laser diodes at visible and infrared wavelengths are listed below. Follow the links for more detailed information.

• Free space optical communications – see Infrared Lasers and 1450 nm laser diodes
• Military Range Finding – see 1550 nm laser diodes
• Autonomous Vehicles – see LIDAR
• Spectroscopic sensing
• Aerospace welding
• Nonablative skin treatments – see Infrared Lasers, 1450 nm, and 1550 nm laser diodes
• Blood coagulation
• Noninvasive surgery – see 1350 nm laser diodes
• Healing of wounds (heat/light therapy)
• CD/DVD reading technology – see 1310 nm laser diodes
• Laser printing