RP Photonics logo
RP Photonics
Technical consulting services on lasers, nonlinear optics, fiber optics etc.
Profit from the knowledge and experience of a top expert!
Powerful simulation and design software.
Make computer models in order to get a comprehensive understanding of your devices!
Success comes from understanding – be it in science or in industrial development.
The famous Encyclopedia of Laser Physics and Technology – available online for free!
The ideal place for finding suppliers for many photonics products.
Advertisers: Make sure to have your products displayed here!
… combined with a great Buyer's Guide!
VLib part of the

Keywords beginning with W

See also our glossary!

A short explanation for a term is also displayed, when you move the mouse cursor on an article keyword in the list.

The page with article article categories helps you to find more articles on a certain topical area.

You should also check out the Photonics Spotlight and the RP Software News, which you can receive as e-mail newsletters!

On this page you find all our encyclopedia articles on keywords beginning with "W". Indented lines indicate articles on related topics. Further below, you find the acronyms.

(See also: list of products for the letter W)

waist radius → beam waist

walk-off angle → spatial walk-off

walk-off compensation → spatial walk-off

wall-plug efficiency

wave breaking → nonlinear pulse distortion

wave vector

wavefront distortions → beam quality

waveguide dispersion

waveguide lasers

waveguide modes → modes


Tutorial chapter on guided light


wavelength beam combining → spectral beam combining

wavelength division multiplexing

wavelength meters → wavemeters

wavelength-tunable lasers → tunable lasers

wavelength tuning

Spotlight 2009-12-08: Increased output power of a laser with forced tuning

Spotlight 2008-10-03: Wavelength-tunable lasers: does the tuner degrade the power efficiency?




weakly allowed transitions → forbidden transitions

White cells → multipass gas cells

white light interferometers

white light sources

Wiener–Khinchin theorem → power spectral density

wire grid polarizers → polarizers

Acronyms beginning with W

WDM = wavelength division multiplexing

… and if you need any more help on such topics, consider to use the consulting services of RP Photonics Consulting GmbH! There is a variety of various services available in topical areas such as lasers, amplifiers, nonlinear optics, fiber optics, ultrashort pulses, multilayer mirrors, noise and fluctuations, and other topics in photonics and optoelectronics.