G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 5/28 (2006.01) G02B 6/34 (2006.01)
Patent
CA 2292320
A design of expanded-beam type wavelength multiplexer or channel drop and insert filter using oblique light incidence upon a concatenation of substrate mounted dielectric filters involves mounting the beam-expanding graded-index lenses in pre-aligned V-grooves, and only later securing fibres to those lenses. This approach simplifies component alignment problems by reducing the number of degrees of freedom and, by virtue of the fact that the mechanical design allows implementation using minimal amounts of adhesive, provides long-term stability of optical performance.
Nortel Networks Corporation
Nortel Networks Limited
Smart & Biggar
LandOfFree
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