Measurement Of Transient Flow Field Phenomena With A Digital Heterodyne Interferometer

D. M. Swain; M. T. Jacoby; J. D. Tomassian

doi:10.1117/12.943495

1 June 1988 Measurement Of Transient Flow Field Phenomena With A Digital Heterodyne Interferometer

D. M. Swain, M. T. Jacoby, J. D. Tomassian

Proceedings Volume 0863, Industrial Optoelectronic Measurement Systems Using Coherent Light; (1988) https://doi.org/10.1117/12.943495
Event: 1987 Symposium on the Technologies for Optoelectronics, 1987, Cannes, France

Abstract

A heterodyne interferometer is described for measuring transient flow field phenomena. Data are acquired through up to 64 channels in parallel with a dedicated phase meter, digitizer and buffer memory for each channel. Data frame rates can be as high as 100 KHz with instrumental background levels less than 0.8 nm rms. Measured data of an electron-beam or e-beam pumped flow fields will be presented and discussed.

Citation Download Citation

D. M. Swain, M. T. Jacoby, and J. D. Tomassian "Measurement Of Transient Flow Field Phenomena With A Digital Heterodyne Interferometer", Proc. SPIE 0863, Industrial Optoelectronic Measurement Systems Using Coherent Light, (1 June 1988); https://doi.org/10.1117/12.943495

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