Optical device with optical element and sensor for sampling light

摘要

Optical devices (100) that contain a sensor (140) are described. More particularly, optical devices that contain a light source (120), cavity (110) and sensor (140), in which the optical device (100) may provide an optimal light output from an output surface (112) of the cavity (110) based on various characteristics of the light are described. Additionally, methods of making and using such optical devices as well as arrays of such optical devices are disclosed.

主权项

1. An optical device, comprising:
a cavity comprising an output surface; one or more light sources disposed to inject light into the cavity; an optical element disposed at least partially within the cavity; and a sensor optically coupled to the optical element; wherein the optical element is configured to direct a first portion of light from the one or more light sources to the output surface and a second portion of light from the one or more light sources to the sensor, the sensor being configured to detect the second portion of light and generate information based on the detected second portion of light, wherein the output surface is located at a first side of the optical element, and the sensor is located at a second side of the optical element substantially opposite the first side.