Optical waveguides – With optical coupler – Input/output coupler
Reexamination Certificate
2005-11-01
2005-11-01
Bovernick, Rodney (Department: 2874)
Optical waveguides
With optical coupler
Input/output coupler
Reexamination Certificate
active
06961490
ABSTRACT:
A waveguide plate and a process for making the waveguide plate with a plate-like glass substrate (1), carrying a waveguiding layer (2), with at least one coupling grating on the surface carrying said waveguiding layer (2), which coupling grating is formed as a grating of lines with a period between 150 nm and 1000 nm, the extension of said grating being at least 5 cm with lines parallel to one another, wherein the coupling angle () varies by not more than 0.1_/cm along a line of said grating and wherein the absolute value of the deviation of the coupling angle () on said waveguide plate, from a predefined desired value, does not exceed 0.5_. The deviation from the average value of the coupling angle does not exceed 0.3_, preferably not 0.15_ on the whole waveguide plate. The waveguide plate is suitable as part of a sensor platform and of an arrangement of sample compartments for chemo-and bioanalytical investigations in order to produce a coupling grating formed as a line grating with a grating period between 100 nm and 2500 nm
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Duveneck Gert
Edlinger Johannes
Heine-Kempkens Claus
Maisenhoelder Bernd
Pawlak Michael
Bovernick Rodney
Crowell & Moring LLP
Stahl Mike
Unaxis-Balzers Aktiengesellschaft
Zeptosens AG
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