Novel white-light interferometer using an electronically scanned Mach-Zehnder interferometer

Raymond H. Marshall; Yanong N. Ning; X. Q. Jiang; Andrew W. Palmer; B. T. Meggitt; Kenneth T. V. Grattan

doi:10.1117/12.229226

3 January 1996 Novel white-light interferometer using an electronically scanned Mach-Zehnder interferometer

Raymond H. Marshall, Yanong N. Ning, X. Q. Jiang, Andrew W. Palmer, B. T. Meggitt, Kenneth T. V. Grattan

Proceedings Volume 2594, Self-Calibrated Intelligent Optical Sensors and Systems; (1996) https://doi.org/10.1117/12.229226
Event: Photonics East '95, 1995, Philadelphia, PA, United States

Abstract

A theoretical analysis and experimental evaluation of a novel Mach-Zehnder interferometer (MZI), used as a recovery interferometer in an electronically-scanned white-light interferometer is reported. This modified version of a MZI has the advantages of being very simple and compact, with high stability and does not introduce any spatial `misoverlapping' of the beams. In addition, since only one beamsplitter is employed in the interferometer (instead of the usual two used in a conventional MZI), the system is relatively easy to implement and at low cost. Furthermore, this configuration can be simply set to cover a wide range of optical path difference values by simply changing the angle and position of one of the mirrors. This gives the interferometer the advantage of being easily adapted for a range of different measurement applications.

Citation Download Citation

Raymond H. Marshall, Yanong N. Ning, X. Q. Jiang, Andrew W. Palmer, B. T. Meggitt, and Kenneth T. V. Grattan "Novel white-light interferometer using an electronically scanned Mach-Zehnder interferometer", Proc. SPIE 2594, Self-Calibrated Intelligent Optical Sensors and Systems, (3 January 1996); https://doi.org/10.1117/12.229226

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