High-speed optical coherence tomography using multiple interferometers with suppressed multiple scattering cross-talk

An interferometry system comprising:

• a source configured to generate a beam of radiation;
• a first splitter configured to split the beam of radiation into a first beam of radiation and a second beam of radiation;
• a second splitter configured to split the first beam of radiation into at least a third beam of radiation and a fourth beam of radiation;
• a first delay element configured to delay the third beam of radiation with a first time delay;
• a second delay element configured to delay the fourth beam of radiation with a second time delay, such that the delayed third beam of radiation and the delayed fourth beam of radiation are out of coherence with respect to each other;
• a first interferometer configured to receive the delayed third beam of radiation as an input;
• and
• a second interferometer configured to receive the delayed fourth beam of radiation as an input.

A method comprising:

• generating a source beam of radiation with a variable wavelength;
• splitting the source beam of radiation into at least a first beam of radiation and a second beam of radiation;
• delaying the first beam of radiation with a first time delay;
• delaying the second beam of radiation with a second time delay, such that the delayed first beam of radiation and the delayed second beam of radiation are out of coherence with each other;
• inputting the delayed first beam of radiation to a first interferometer;
• and
• inputting the delayed second beam of radiation to a second interferometer.

A method comprising:

• generating a source beam of radiation;
• splitting the source beam of radiation into a first beam of radiation and a second beam of radiation;
• splitting the first beam of radiation into at least a third beam of radiation and a fourth beam of radiation;
• delaying the third beam of radiation by a first time delay;
• delaying the fourth beam of radiation by a second time delay, such that the delayed third beam of radiation and the delayed fourth beam of radiation are out of coherence with respect to each other;
• inputting the delayed third beam of radiation to a first interferometer;
• and
• inputting the delayed fourth beam of radiation to a second interferometer.