A telecom-band optical coherence tomography system uses a source centred at nm with…

PHYSICS · Subjective · Fermi University Physics · Optics & Photonics · Biophysics & Medical Physics · Coherence and statistical optics

What an Instrument Can See, Ch Temporal coherence: correlation, spectrum and the interferometer

Problem

A telecom-band optical coherence tomography system uses a source centred at

\lambda_0 = 1310

nm with Gaussian full width at half maximum bandwidth

\Delta\lambda = 90

nm, imaging tissue of refractive index

n = 1.36

. Find the axial resolution

\delta z

inside the tissue.