Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Distributed optical structures with improved diffraction efficiency and/or improved optical coupling










Image Number 6 for United States Patent #7194164.

An optical apparatus comprises a planar optical waveguide having at least one set of diffractive elements and confining in at least one transverse spatial dimension optical signals propagating therein. Each diffractive element set routes, between corresponding input and output optical ports, a corresponding diffracted portion of an input optical signal propagating in the waveguide that is successively incident on the diffractive elements and is diffracted by the diffractive element set. The optical signals propagate in the waveguide in corresponding diffractive-region optical transverse modes in regions where the diffractive elements are present, and in corresponding non-diffractive-region optical transverse modes in regions where the diffractive elements are absent. The diffractive element set is adapted so as to yield an operationally acceptable level of either or both of i) optical coupling between corresponding diffractive-region and non-diffractive-region optical transverse modes, and ii) diffraction efficiency of the diffractive element set.








 
 
  Recently Added Patents
Meat-containing, strip shaped food product and method of making same
Method of preparing highly fluorinated carboxylic acids and their salts
Toilet bowl
Authentication service
Use of physical deformation during scanning of an object to generate views of the object
Proximity sensor arrangement in a mobile device
Formation of a masking layer on a dielectric region to facilitate formation of a capping layer on electrically conductive regions separated by the dielectric region
  Randomly Featured Patents
3,5-Di-(2-methylpropyl)-1,2,4-trithiolane and uses thereof for augmenting or enhancing the flavor or aroma of a foodstuff
Spool valve assembly
Clamping ring for fastening a gas generating cartridge
Snack product
Biasing a musical performance input to a part
Cord organizer
Process for preparing semiconductor substrate by bringing first and second substrates in contact
System and method for educating using multimedia interface
Lamp
Rear combination lamp for an automobile