UNIVERSIDADE FEDERAL DO PARA—UFPA

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Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 2131
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 1204

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9778496 Nonreciprocal three-way divider based on a magneto-optical resonatorJun 26, 14Oct 03, 17[G02B, G02F]
9778540 Compact optical switch having only two waveguides and a resonant cavity to provide 60 degree foldingMay 22, 15Oct 03, 17[G02F]

Expired/Abandoned/Withdrawn Patents

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