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Electrooptic device for scanning using domain reversed regions
Filed: September 29th, 1992 [Granted]
Assignee: Eastman Kodak Company
Patent Number: 5317446
... SCANNING USING DOMAIN REVERSED REGIONS [75] Inventors: Jose M. Mir, Webster, NY; Daniel Standi, Mars; Tuviah E. Schlesinger, Mt. Lebanon, both of Pa.
Domain engineered ferroelectric optical radiation detector having multiple ...
Filed: May 4th, 2001 [Pending]
Patent Application Number: 9849959
... of the domain reversed region compared to the original domain region on the electret. The map of FIG. 4 clearly shows the opposite responses of the ...
Domain reversal control method for ferroelectric materials
Filed: September 3rd, 2004 [Granted]
Assignee: HC Photonics Corporation
Patent Number: 7115513
To solve this problem, Yamada teaches the formation of domain reversed regions by first polarizing the crystal uni-directionally (a single domain), ...
Electric field domain patterning
Filed: May 13th, 1998 [Granted]
Patent Number: 6013221
The poling time t is linearly related to the surface area of the domain reversed region A by t=2P5A/I, where Ps is the spontaneous polarization of the ...
Inverted domain structure in ferroelectric crystals with polarization in the ...
Filed: July 24th, 1996 [Granted]
Assignee: Eastman Kodak Company
Patent Number: 5734772
We now have a crystal with a periodic domain reversed grating 14 on its surface as 20 shown in FIG. 3(b). The depth of the domain reversed regions in LiTa03 ...
Segmented electrodes for poling of ferroelectric crystal materials
Filed: July 26th, 2004 [Granted]
Assignee: AdvR Inc
Patent Number: 7145714
Because the poling voltage profile is tailored for each particular area on the wafer, ... Moreover, a variety of different shapes of domain-reversed ...
External optical modulator with domain inversion for providing constant chip ...
Filed: September 30th, 2008 [Granted]
Assignee: JDS Uniphase Corporation
Patent Number: 7701630
Note that the RF signal electrode 124 in the domain reversed region(s) in part B , having length L6 in modulator 100, and lengths L5, L7 in modulator 120, ...
High efficiency wavelength converters
Filed: August 24th, 2004 [Granted]
Assignee: HC Photonics Corporation
Patent Number: 7170671
A waveguide region is also formed within the crystal, passing through the ... as a plurality of 60 periodically reversed domain regions whose widths are ...
