Chip-integrated Optical Sensor
Patent 14029/TUB

This novel optical sensor, which has a very high sensitivity, can be used in biomedicine, biochemistry, pharmacy or environmental monitoring.

  1. Use of cheap and available VCSEL device possible
  2. Monolithically integration of VCSEL as optical source possible
  3. No expensive “classic” optics needed
  4. Function given by the finite-size HCG only
  5. Easy integrated detection due to the redirection of light
  6. Very high sensitivity
  7. Multiple detections possible integrated in an array operating with identical VCSELs
Possible Applications

Environmental monitoring, homeland security, biomedicine, biochemistry, pharmacy


Sensors with the features: portable, low-power, label-free, real-time, compact, high sensitivity, high-throughput, and cost-effective are highly attractive because they can be used in a wide range of fields such as environmental monitoring, homeland security, biomedicine, biochemistry and pharmacy.

Moreover, a label-free sensor would enable direct biochemical and chemical detection, which it is generally desirable due to its non-intrusive nature, in contrast to sensors with labelling compounds.

Technical Description

Since several sensors have already are known to the state of the art, it was the aim of our invention to develop a label-free, integrated HCG-based optical sensor that can be manufactured at low costs. Moreover, it was also an issue of the invention to be able to detect biomolecular, biochemical and chemical interactions with this sensor. The developed sensor provides very specific properties due to its special geometry, which allows the transformation of the whole or of only a part of a normal or of an oblique incidence wave into the in-plane direction.

Contact Us

Ina Krüger

Technology Transfer Manager

+49 (0)30 314-75916

Technology Readiness Level

Experimental proof of concept

Property Rights

approved: US

Patent Holder

Technische Universität Berlin

Possible Cooperation
  • R&D Cooperation
  • Licensing
  • Patent Purchase