A mathematician teaching physics asked for a proof of the thin lens formula in this question on Physics Stack Exchange. Now the “traditional proof” is of course the one with similar triangles. A good summary of this one is to be found at learnquebec.ca here. However, I have come up with and refined two proofs […]

09 Feb 2014 No Comments

## Two Unwonted Proofs of the Thin Lens Formula

A mathematician teaching physics asked for a proof of the thin lens formula in this question on Physics Stack Exchange. Now the “traditional proof” is of course the one with similar triangles. A good summary of this one is to be found at learnquebec.ca here. However, I have come up with and refined two proofs […]

by Rod Vance in Optics, Physics Tags: Gaussian Beam, Thin Lens Formula, Transfer Matrix