Appeal No. 95-1923
Application 08/051,987
19. A multiple-stage optical gate adapted for use in gating a pulse of light comprising:
(a) a non-linear medium;
(b) first and second polarizers; and
(c) first and second analyzers, said first and second analyzers being crossed relative to said
first and second polarizers, respectively, and said second polarizer having a polarization axis
parallel to that of said first analyzer, said first and second polarizers and said first and second
analyzers being arranged relative to said non-linear medium so that said first polarizer, said non-
linear medium and said first analyzer form a first optical gate and said second polarizer, said non-
linear medium and said second analyzer form a second optical gate.
The reference relied upon by the examiner is:
Siebert 4,061,985 Dec. 6, 1977
Appealed claim 19 stands rejected under 35 U.S.C. § 102(b) as anticipated by Siebert or,
in the alternative, under 35 U.S.C. § 103 as obvious over Siebert.
The respective positions of the examiner and the appellants with regard to the propriety of
these rejections are set forth in the final rejection (Paper No. 8) and the examiner's answer (Paper
No. 17) and appellants’ brief (Paper No. 16) and reply brief (Paper No. 18).
Appellants’ Invention
Appellants disclose a device comprising two or more optical gates for use in gating a pulse
of light. By successively gating a pulse of light through two or more optical gates, pulses
2
Page: Previous 1 2 3 4 5 6 Next
Last modified: November 3, 2007