physics problem help?!Update:What is the coherence length of the radiation?. Created by hmm...lol. science-mathematics-en - physics-en

A CO2 laser produces infrared radiation with a wavelength of 10.6 µm and a bandwidth of 10−5 nm. What is the c?

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A CO2 laser produces infrared radiation with a wavelength of 10.6 µm and a bandwidth of 10−5 nm. What is the c?

physics problem help?!

Update:

What is the coherence length of the radiation?

c is normally the speed of light. the C in CO2 is for carbon. i cant be more specific because im not really sure what you're asking.

EDIT: if you mean the c in L = c/(n*df)

the c is the speed of light. c = 2.99*10^8 m/s

oh wait i get it..

Coherence length is (speed of light) / ((index of refraction)*(bandwidth)) = L