Phase-conjugate Twyman-Green interferometer for testing conicoidal surfaces

Ram Prakash Shukla; Mostafa Dokhanian; Putcha Venkateswarlu; M. C. George

doi:10.1117/12.51077

1 January 1991 Phase-conjugate Twyman-Green interferometer for testing conicoidal surfaces

Ram Prakash Shukla, Mostafa Dokhanian, Putcha Venkateswarlu, M. C. George

Proceedings Volume 1332, Optical Testing and Metrology III: Recent Advances in Industrial Optical Inspection; (1991) https://doi.org/10.1117/12.51077
Event: 34th Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1990, San Diego, CA, United States

Abstract

An application of a phase conjugate Twyman-Green interferometer for testing a parabolic mirror is demonstrated. The interferometer is free from aberrations due to the self-focusing property of the phase conjugate mirror in one arm of the interferometer. It does not require a precision spherical mirror in the reference arm.

Citation Download Citation

Ram Prakash Shukla, Mostafa Dokhanian, Putcha Venkateswarlu, and M. C. George "Phase-conjugate Twyman-Green interferometer for testing conicoidal surfaces", Proc. SPIE 1332, Optical Testing and Metrology III: Recent Advances in Industrial Optical Inspection, (1 January 1991); https://doi.org/10.1117/12.51077

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