I have found Chroma Technology to be very helpful in designing
and producing special filters/optics. 800/824-7662 (Vermont).
Jerry

M.J. Tobin wrote:
>
> Dear Confocalists
>
> Can anybody recommend any specialist manufacturers of high reflectivity
> scanning mirrors for use in the UV (down to 200nm) and visible, in addition
to
> those I have tried so far (Melles Griot, CVI Laser and Oriel).
>
> My non commercial confocal curently has two UV enhanced scanning mirrors from
> Melles Griot.  I have measured the reflectivity at 266nm at 45deg. incidence
> and found it to be about 75%.  This means that after hitting each mirror in
> excitation and reflection I have lost 68% of possible intensity.  I would
like
> to try and improve this by replacing the mirrors.  If I can obtain mirrors
> closer to 85% reflective, I will improve total throughput by 65%.
>
> Mark Tobin
>
> --
> Dr. Mark Tobin
> Daresbury Laboratory
> Daresbury
> Warrington
> Cheshire   WA4 4AD    UK
>
> Tel:      +44 (0)1925 603584
> Fax:     +44 (0)1925 603124
> Email:  [log in to unmask]