Include another budget inside a budget but scaled by a coupling factor
Our laser frequency noise at the AEI prototype depends on the noise budget for our reference cavity, which is a separate cavity with a weak coupling to our main interferometer. I'd like to include the reference cavity budget inside my main interferometer budget, scaled with a (potentially frequency dependent) coupling factor. Is this possible, or could this be added somehow? Ideally, the noises from the reference cavity budget (maintained separately) would appear inside the main one, suitably scaled, in a way that "just works".
(Originally from #39 (closed))