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Low-Crosstalk Composite Optical Crosspoint SwitchesComposite optical switch includes two elementary optical switches in tandem, plus optical absorbers. Like elementary optical switches, composite optical switches assembled into switch matrix. Performance enhanced by increasing number of elementary switches. Advantage of concept: crosstalk reduced to acceptably low level at moderate cost of doubling number of elementary switches rather than at greater cost of tightening manufacturing tolerances and exerting more-precise control over operating conditions.
Document ID
19930000009
Document Type
Other - NASA Tech Brief
Authors
Pan, Jing-Jong (E-Tek Dynamics, Inc.)
Liang, Frank (E-Tek Dynamics, Inc.)
Date Acquired
August 16, 2013
Publication Date
January 1, 1993
Publication Information
Publication: NASA Tech Briefs
Volume: 17
Issue: 1
ISSN: 0145-319X
Subject Category
ELECTRONIC COMPONENTS AND CIRCUITS
Report/Patent Number
KSC-11405
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.