Ciddor equation. this may be wrong forum, but i dont know where this goes.

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SUMMARY

The Ciddor equation relates the refractive index of air to the wavelength of light, which is essential for calculating group velocity dispersion (GVD). Users in the forum expressed difficulty in accessing the full equation due to paywalls on various websites. A helpful link to the NIST EM Toolbox was provided, but it did not contain the complete function needed for further calculations. The discussion highlights the need for accessible resources regarding the Ciddor equation and its applications in optics.

PREREQUISITES
  • Understanding of refractive index concepts
  • Familiarity with the Ciddor equation and its applications
  • Knowledge of group velocity dispersion (GVD)
  • Basic calculus for taking derivatives
NEXT STEPS
  • Research the complete Ciddor equation and its derivation
  • Explore the Edlen equation as an alternative for refractive index calculations
  • Learn about group velocity dispersion (GVD) in optical fibers
  • Investigate free resources for optical equations and their applications
USEFUL FOR

Optics researchers, physicists, and engineers working with light propagation in air and optical systems will benefit from this discussion.

bman!
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hi anyone here use the ciddor equation before?

supposedly there's an equation linking refractive index n of air to the wavelngth of light.

its an equation that i need, but for the life of me i cannot find it as its often on websites that you have to pay for and i have noi money.

would appreciate if someone could give it to me.
 
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sorry, i ve seen that already.

thing is i need the full function so as to tke the second derivative to calculate the GVD
 

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