Fiber Optics & Lasers: Light Usage

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SUMMARY

Fiber optic cables can utilize both lasers and regular light, depending on their design and application. In telecommunications, lasers are predominantly used due to their high power, controlled wavelengths, and rapid switching capabilities. Regular visible light can also be transmitted through fiber optics, as demonstrated by specific products such as those listed by Edmund Optics. This flexibility in light source usage highlights the versatility of fiber optic technology.

PREREQUISITES
  • Understanding of fiber optic technology
  • Knowledge of laser types and their applications
  • Familiarity with telecommunications systems
  • Basic principles of light transmission and wavelength
NEXT STEPS
  • Research the differences between laser and LED light sources in fiber optics
  • Explore the specifications of fiber optic cables designed for different wavelengths
  • Learn about the applications of fiber optics in telecommunications
  • Investigate the products offered by Edmund Optics related to fiber optics
USEFUL FOR

Telecommunications engineers, optical physicists, and anyone involved in the design and implementation of fiber optic systems will benefit from this discussion.

DieCommie
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Do fiberoptic cables use lasers, or regular light? (or can they use either depending on the situation)
 
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Fibre optics will carry any light depending on the wavelength they are designed for.
Telecoms applications generally use lasers, they are high power, have a well controlled wavelength and you can switch them quickly.
 
Thank you.

I thought they used lasers, but couldn't find a source for that.
 
They can use either, as mgb_phys said.

Here is an example where regular visible light is transmitted by fibers:
http://www.edmundoptics.com/onlinecatalog/DisplayProduct.cfm?productid=1355
 
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