Laser Diodes

Laser diodes are semiconductor devices which closely resemble an LED (light emitting diode).

How do they work?

Laser diodes work in a very similar way to LEDs, however they create a laser beam at its junction instead. They create a very precise beam of light which is ideal for applications which require an accurate reading of data. They are also capable of a very powerful output, which can be determined by their optical output power.

Laser diodes are available in a range of different packages, for example TO-38 and TO-56.

What colours are laser diodes?

The most common laser colours are red, blue and green. Their colour is described in wavelength, the same as an LED. Wavelength values are given in nanometers (nm).

• Red is around 660nm

• Blue is around 500nm

• Green around 550nm.

Laser diodes are also available with infrared (IR) light.

Where are laser diodes used?

• Fibre optic communications

• Barcode readers

• Laser pointers/pens

• Disc reading & recording

• Laser printing

• Laser hair removal devices

168 Products showing for Laser Diodes

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Last RS stock
ams OSRAM PL 520_B1_2 Green Laser Diode 515 nm 30 mW, 3-Pin TO-38 package
  • RS Stock No. 876-8707
  • Mfr. Part No. PL 520_B1_2
Subtotal (1 unit)
Kr. 276,37(exc. VAT)
Kr. 276,37/unit
In Stock
ams OSRAM PLT3 520FB Green Laser Diode 520 nm 50 mW, 3-Pin TO-38 package
  • RS Stock No. 271-1819
  • Mfr. Part No. PLT3 520FB
Subtotal (1 unit)
Kr. 340,23(exc. VAT)
Kr. 340,23/unit
Supply shortage
ams OSRAM Green Laser Diode 520 nm 20 mW, 3-Pin TO-56 package
  • RS Stock No. 271-1828
  • Mfr. Part No. PLT5 520EB_Q
Subtotal (200 units, in trays of 200)
Kr. 19 878,20(exc. VAT)
Kr. 99,391/unit
Currently unavailable
Panasonic LNCT28PF01WW Laser Diode, 3-Pin
  • RS Stock No. 814-1196
  • Mfr. Part No. LNCT28PF01WW
Subtotal (1 unit)
Kr. 137,97(exc. VAT)
Kr. 137,97/unit
In Stock
ams OSRAM Blue Laser Diode 450 nm 100 mW, 3-Pin TO-56 package
  • RS Stock No. 271-1821P
  • Mfr. Part No. PLT5 450GB
Subtotal (1 unit, supplied in a tray)
Kr. 259,23(exc. VAT)
Kr. 259,23/unit
In Stock
ams OSRAM SPL S1L90H_3 Laser Diode 907 nm 65000 mW, 1-Pin QFN package
  • RS Stock No. 271-1835
  • Mfr. Part No. SPL S1L90H_3
Subtotal (1 unit)
Kr. 172,40(exc. VAT)
Kr. 172,40/unit
Currently unavailable
ams OSRAM Green Laser Diode 520 nm 50 mW, 3-Pin TO-56 package
  • RS Stock No. 271-1830
  • Mfr. Part No. PLT5 520FB_P
Subtotal (200 units, in trays of 200)
Kr. 46 071,20(exc. VAT)
Kr. 230,356/unit
Currently unavailable
ams OSRAM Green Laser Diode 520 nm 30 mW, 3-Pin TO-56 package
  • RS Stock No. 271-1822
  • Mfr. Part No. PLT5 518FB_P
Subtotal (200 units, in trays of 200)
Kr. 29 789,80(exc. VAT)
Kr. 148,949/unit
Temporarily out of stock
ams OSRAM Blue Laser Diode 450 nm 100 mW, 3-Pin TO-56 package
  • RS Stock No. 271-1820
  • Mfr. Part No. PLT5 450GB
Subtotal (200 units, in trays of 200)
Kr. 45 659,40(exc. VAT)
Kr. 228,297/unit
In Stock
Optek Laser Diode 860 nm 1.5 mW, 2-Pin T-1 package
  • RS Stock No. 908-7295
  • Mfr. Part No. OPV332
Subtotal (1 unit)
Kr. 78,48(exc. VAT)
Kr. 78,48/unit
Currently unavailable
ams OSRAM PLT5 522FA_P Green Laser Diode 515 nm 50 mW, 3-Pin TO-56 package
  • RS Stock No. 254-1295
  • Mfr. Part No. PLT5 522FA_P
Subtotal (1 unit)
Kr. 1 326,01(exc. VAT)
Kr. 1 326,01/unit
In Stock
ams OSRAM PLT3 520FB Green Laser Diode 520 nm 50 mW, 3-Pin TO-38 package
  • RS Stock No. 271-1819P
  • Mfr. Part No. PLT3 520FB
Subtotal (1 unit, supplied in a tray)
Kr. 340,23(exc. VAT)
Kr. 340,23/unit
Supply shortage
ams OSRAM PLT5 520EB_Q Green Laser Diode 520 nm 20 mW, 3-Pin TO-56 package
  • RS Stock No. 271-1829
  • Mfr. Part No. PLT5 520EB_Q
Subtotal (1 unit)
Kr. 138,10(exc. VAT)
Kr. 138,10/unit
In Stock
ams OSRAM Blue Laser Diode 450 nm 100 mW, 3-Pin TO-38 package
  • RS Stock No. 271-1817P
  • Mfr. Part No. PLT3 450GB
Subtotal (1 unit, supplied in a tray)
Kr. 266,21(exc. VAT)
Kr. 266,21/unit
In Stock
ams OSRAM Laser Diode 907 nm 65000 mW, 1-Pin QFN package
  • RS Stock No. 271-1835P
  • Mfr. Part No. SPL S1L90H_3
Subtotal (1 unit, supplied on a continuous strip)
Kr. 172,40(exc. VAT)
Kr. 172,40/unit
Currently unavailable
ams OSRAM PLT5 520DB_P Green Laser Diode 515 nm 10 mW, 3-Pin TO-56 package
  • RS Stock No. 271-1825
  • Mfr. Part No. PLT5 520DB_P
Subtotal (1 unit)
Kr. 147,80(exc. VAT)
Kr. 147,80/unit
Last RS stock
ams OSRAM PLT5 518FB_P Green Laser Diode 520 nm 30 mW, 3-Pin TO-56 package
  • RS Stock No. 271-1823
  • Mfr. Part No. PLT5 518FB_P
Subtotal (1 unit)
Kr. 181,11(exc. VAT)
Kr. 181,11/unit
Currently unavailable
ams OSRAM Green Laser Diode 515 nm 10 mW, 3-Pin TO-56 package
  • RS Stock No. 271-1824
  • Mfr. Part No. PLT5 520DB_P
Subtotal (200 units, in trays of 200)
Kr. 19 933,00(exc. VAT)
Kr. 99,665/unit
Last RS stock
ams OSRAM Green Laser Diode 520 nm 30 mW, 3-Pin TO-56 package
  • RS Stock No. 271-1823P
  • Mfr. Part No. PLT5 518FB_P
Subtotal (1 unit, supplied in a tray)
Kr. 181,11(exc. VAT)
Kr. 181,11/unit
Temporarily out of stock
ams OSRAM Green Laser Diode 520 nm 50 mW, 3-Pin TO-38 package
  • RS Stock No. 271-1818
  • Mfr. Part No. PLT3 520FB
Subtotal (200 units, in trays of 200)
Kr. 49 503,20(exc. VAT)
Kr. 247,516/unit
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