Dear Ali Razavi (and MEMSNET)

We have some experience of etching lenses in quartz.  Here is a link to a
poster that was presented at a meeting on micro-optics at an IOP meeting
last year (http://www.oxford-instruments.com/pdf/IOPlens.pdf).  See also the
website link below.

http://www.oxfordplasma.de/process/sio_lens.htm

Please contact me if you need more information.

Regards,

Martin Walker BSc(Tech) MSc
Tactical Marketing Engineer
Oxford Instruments Plasma Technology
North End, Yatton,
Bristol BS49 4AP  UK
T. +44 (0) 1934 837031
F. +44 (0) 1934 837001
E. 
W. 

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