A produce data collector and produce recognition system which illuminates a produce item
with substantially uniform light to enhance the accuracy of collected produce data and …

This application describes an optical switching method for selectively directing an input
beam to at least one of two output channels. The input beam impinges on a polarizing beam …

(57) ABSTRACT A polarizing beam-splitter apparatus, comprising: an input port through
Which an input beam of lights is provided; a? rst polarizing beam splitter that receives the …

A wavelength division multiplexed optical communication system includes a plurality of
optical line terminals which may be part of separate in service networks, each having a line …

A method of laterally displacing at least a component of a light beam, the method
comprising: a) directing the beam to enter a block of birefringent material at a first location …