Determination of properties of an optical device
AssigneeAgilent Technologies, Inc.
InventorsJens Cierullies, Ernst Brinkmeyer
Life of this patent
Estimating the term…
Abstract
A method of determination of a property of an optical device under test includes using a first initial coherent light beam, changing a first initial property of the first initial light beam, coupling the first initial light beam to the device under test, detecting a first signal of the first initial light beam received from the device under test, and correcting any a non-linearity in the first signal by interpolating the first signal on a linear scale.
Claims36
A method of determining a property of an optical device under test, the method comprising:
- using a first initial coherent light beam;
- changing a first initial property of the first initial coherent light beam;
- coupling the first initial coherent light beam to the device under test;
- detecting a first signal of the first initial coherent light beam received from the device under test;
- and
- correcting a non-linearity in the first signal, the non-linearity being caused by a non-linearity in a change of the first initial property by interpolating the first signal on a linear scale.
A method of determining a property of an optical device under test, comprising:
- detecting a change of a signal with time, the detected signal being the basis for deriving the property;
- and
- filtering the detected signal by:
- transforming the detected signal to get a Fourier transformed signal;
- filtering the Fourier transformed signal with a filter to obtain a filtered Fourier transformed signal;
- retransforming the filtered Fourier transformed signal to obtain a filtered signal;
- deriving the property on the basis of the filtered signal;
- and
- correcting the detected signal for a non-linearity to obtain a corrected first signal.
A software program or product for executing a method for determining a property of an optical device under test, when run on a data processing system, the method comprising:
- program instructions for using a first initial coherent light beam;
- program instructions for changing a first initial property of the first initial coherent light beam;
- coupling the first initial coherent light beam to the device under test,
- program instructions for detecting a first signal of the first initial coherent light beam received from the device under test;
- and
- program instructions for correcting a non-linearity in the first signal caused by a non-linearity in a change of the first initial property by interpolating the first signal on a linear scale.
Dependencies are inferred from the claim text.