RE: circularly polarized light

From:Nick Bullough

Circularly polarised light is usually made with a polarising filter with a
quarter lambda plate behind it.

The easy option is to go to a good photographic shop as they will have
cirular polarising filters in a range of diameters (these are needed on many
modern cameras as the metering and autofocus mechanisms get confused by
linearly polarised light).


Nick Bullough BSc.(Hons) AIBMS 
Scientist (Biomaterials) 
Pharmagene Laboratories Limited 
2 Orchard Road 
Hertfordshire SG8 5HD 
Tel:    +44 (0) 1763 211591 
Fax:    +44 (0) 1763 211555 

-----Original Message-----
Sent: 09/01/03 11:46
Subject: circularly polarized light

Hi everyone,

Does anyone have experience with the analysis of collagen using
circularly polarized light instead of normal (linearly) polarized light?
The former shows some important improvements in collagen content (see
Whittaker et. al. Basic Res Cardiol 89:379-410 (1994)). If anyone used
this circular light before, can you please tell how you created it.
Help is greatly appreciated.

Dolf Segers
Dept. of Experimental Cardiology
Thopraxcentre, Erasmus MC, Rotterdam
The Netherlands

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