Quote:
Originally Posted by gregbradley
.........
CCD on the other hand whilst great, seemed to be standing still as far as R and D goes......
Greg.
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Not true IMHO. emCCD's are simply awesome. Ultra clean with single photon detection. Nothing on the CMOS front comes close.
So good in fact, there are DoD restrictions on their export from the USA.
The rub is the price...1k x 1k sensor cameras are around $100k...hardly amateur pricing.
P.S.
I lifted this from a recent UK Astronomy Paper on emCCD developments (my emphasis added):
A
signal to noise gain of three is possible if the astronomy community can move from standard CCD technology
to new Electron Multiplication CCDs.
However the present generation of EMCCDs do not cover the available field of view of a typical spectrograph.
Therefore development of a new larger EMCCD is required to sample a typical field and still give the signal to noise improvements described.
Such a device will
probably cost >1M Euro to develop