Integrated circuit for measuring magnetic fields and for measuring the polarisation of light

An integrated circuit for measuring magnetic fields and for measuring the polarization of incident light, the integrated circuit comprising:

• at least one magnetic-field sensing component;
• at least one magnetic component, which is arranged cooperating with the magnetic-field sensing component as a structural unit;
• devices that are configured to draw a conclusion relating to variations of the magnetic field from the signals of the magnetic-field sensing component;
• at least two polarization-sensitive sensors with differing alignment of the polarization planes;
• devices that are configured to draw a conclusion relating to the polarization of the incident light from the signals of the polarization-sensitive sensors;
• and
• at least one sensing element that is arranged cooperating with a polarization filter to form one of the polarization-sensitive sensors as a structural unit;
• wherein the polarization-sensitive filter of the polarization-sensitive sensor arranged as a structural unit has a specifically selected extent and orientation, and
• wherein the polarization filter has grating structures generated by lithographic methods in at least one fabrication plane.

An integrated circuit for measuring magnetic fields and for measuring the polarization of incident light, the integrated circuit comprising:

• at least one magnetic-field sensing component;
• at least one magnetic component, which is arranged cooperating with the magnetic-field sensing component as a structural unit, wherein said at least one magnetic component having a hard-magnetic zone with magnetic hysteresis and wherein field lines of at least one magnetic component at least partially permeate the magnetic-field sensing component;
• devices that are configured to draw a conclusion relating to variations of the magnetic field from the signals of the magnetic-field sensing component;
• at least two polarization-sensitive sensors with differing alignment of the polarization planes;
• devices that are configured to draw a conclusion relating to the polarization of the incident light from the signals of the polarization-sensitive sensors;
• and
• at least one sensing element that is arranged cooperating with a polarization filter to form one of the polarization-sensitive sensors as a structural unit;
• wherein the polarization-sensitive filter of the polarization-sensitive sensor arranged as a structural unit has a specifically selected extent and orientation,
• wherein the polarization filter has grating structures generated by lithographic methods in at least one fabrication plane and/or wiring plane, and
• wherein there are opaque walls between regions with grating structures, which prevent influencing of neighboring sensors in the event of oblique light incidence, and
• wherein the opaque walls are produced by vias or contacts.

An apparatus for measuring magnetic fields comprising:

• at least one sensing component;
• and
• at least one magnetic component;
• wherein the at least one magnetic component has a hard-magnetic zone with magnetic hysteresis,
• wherein the at least one sensing component has a magnetic-field sensor,
• wherein field lines of the at least one magnetic component at least partially permeate the magnetic-field sensor of the a least one sensing component, and
• wherein the apparatus is configured to record discrete events.