[asac] [almanews] ALMA Memo 397 Released

[Stacy Oliver]

ALMA Memo #397

Proposed Quartz Vacuum Window Designs for ALMA Bands 3 - 10 

Daniel Koller, A. R. Kerr, G. A. Ediss (NRAO)

2001-11-13

Keywords:  quartz crystal low-loss vacuum windows, antireflection layers

This memo describes the design of Z-cut crystal quartz vacuum windows
with plastic antireflection layers for ALMA Bands 3 through 10.  The
windows can be made using readily available materials and  proven
construction techniques.  Model calculations for each of the bands are
presented showing the expected reflection loss and total insertion loss.


View a pdf version of ALMA Memo 397.
	http://www.alma.nrao.edu/memos/html-memos/alma397/memo397.pdf

Download a ps version of ALMA Memo 397. 
	http://www.alma.nrao.edu/memos/html-memos/alma397/memo397.ps
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