Gerard,
A blind seems to me to be the best method for the reasons you give. Also
laser film is used between panes which has the same problem. Is it
significant? Try pointing an ordinary laser pointer at a pane of glass - I
was surprised at the amount of reflection there is.
John Davis
Radiation Safety Service
Royal Sussex County Hospital
Eastern Road
Brighton,
BN2 5BE
01273 664910
> ----------
> From: Boyle, Gerard (MPBE)[SMTP:[log in to unmask]]
> Sent: 16 April 2002 15:35
> To: [log in to unmask]
> Subject: Glass/perspex Surfaces
>
> Hello All,
>
> Blinding of windows in laser theatres appears to be generally
> recommended to prevent transmission of stray
> laser light to the outside world. Co-incidently blinding also happens to
> prevent
> any risks from reflections off the internal window surfaces back into the
> rooms.
>
> Recently I've come across windows where the blind is sandwiched between
> the two plates of glass in the window, which is obviously better from
> an infection control point of view. But now the reflection hazard is not
> eliminated.
> And I'm starting to wonder if reflections from glass/perspex surfaces are
> really
> such a big deal, and maybe the sandwiched blind is better.
>
> Anyone have any thoughts on this?
>
> Regards,
>
> Gerard Boyle
>
>
>
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