Stimulated Emission Cross Section
The stimulated emission cross section (in square meters) is
where
- A21 is the Einstein A coefficient (in radians per second),
- λ is the wavelength (in meters),
- n is the refractive index of the medium (dimensionless), and
- g(ν) is the spectral line shape function (in seconds).
Read more about this topic: Stimulated Emission
Famous quotes containing the words emission, cross and/or section:
“Approximately 80% of our air pollution stems from hydrocarbons released by vegetation, so lets not go overboard in setting and enforcing tough emission standards from man-made sources.”
—Ronald Reagan (b. 1911)
“When the cross blue lightning seemed to open
The breast of heaven, I did present myself
Even in the aim and very flash of it.”
—William Shakespeare (15641616)
“Socialite women meet socialite men and mate and breed socialite children so that we can fund small opera companies and ballet troupes because there is no government subsidy.”
—Sugar Rautbord, U.S. socialite fund-raiser and self-described trash novelist. As quoted in The Great Divide, book 2, section 7, by Studs Terkel (1988)