On Fri, 25 Jan 2002 Tom@xxxxxxxxxxxxx wrote:
> 1. Some light from the diffuser reached the sensor, shutting it off too
> soon.
That one gets my vote. Use a flat diffuser rather than one which bulges
outwards, or use a diffusing reflector above the tube and bounce the
light off that. Something like this
/ --- reflector
/
-----------\
| ---- T32 tube (pointing upwards)
__ /
--------- ----Sensor (now shielded by tube housing)
Sorry about the lousy ascii art.
--
________________________________________________________________________
* | |
| / | |/-\ | Ian A. Nichols |
| | | | | | http://www.chm.bris.ac.uk/~cpian/ |
| \-/| | / | i.a.nichols@xxxxxxxxxx |
| * iann@xxxxxxxxxxxxx |
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