SCATTERED LIGHT COLLECTOR, LIGHT FOCUSING APPARATUS, METHOD FOR CONTROLLING THE FOCUS OF A FOCUSED LIGHT SOURCE AND METHOD FOR MEASURING THE LIGHT SCATTERED OR ORIGINATING FROM A POINT OF AN OBJECT

摘要

A scattered light collector for collecting light scattered by or originating from an object (210) to be examined and for guiding the collected light to a light detector (204), the collector comprising: a first free propagation region (223) for receiving scattered light comprising a light collection end and an input grating line, and a plurality of waveguides (236a, b, c) for guiding the collected light from the free propagation region to the detector, the first ends of the waveguides forming the input grating line of the free propagation region.