Appeal No. 1998-2938
Application 08/510,752
(2)
Appellants also argue that the claimed invention has the
advantage of substantial polarization insensitivity over the
range of applied field from 0 to 100 kV/cm because of matching
E1-HH1 and E1-HH1 Stark shifts and that it is unclear to what
extent, if at all, this matching occurs in Ishikawa (Br5;
Br8-9). Appellants refer to figure 4 of Ishikawa as showing
polarization insensitivity only for two values of applied
field (Br9).
Although we have reversed the rejections, we will briefly
discuss these arguments.
The Examiner states (EA5): "Ishikawa also clearly
discloses the Stark shift over an applied electric field range
of 0-100 kV/cm, as depicted in Figure 3(not Figure 4)." The
Examiner points out that figure 3 corresponds to energy shifts
according to the applied electric field (EA5-6).
We agree with the Examiner that Appellants' arguments
regarding figure 4 appear misplaced since figure 4 does not
show applied electric field. However, the Examiner's
reasoning is of no help since it does not explain how figure 3
of Ishikawa shows "substantially matching E1-HH1 and E1-LH1
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