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Proceedings Paper

Single beam off-axis digital holography of laser driven jet using ring cavity
Author(s): Guanghua Chen; Mu Li; Zhenxiong Luo; Jun Liu; Jun Li; Shouxian Liu
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Paper Abstract

On the basis of the cyclic lateral shearing interferometer, a single beam off-axis digital holography system has been developed for diagnostics of small scale transient flow field. The wavefront of the incident beam is split into sample wavefront and reference wavefront that nearly travel along the same path with opposite directions by a ring cavity. The system produces off-axis digital hologram with high spatial carrier frequency which is useful in separating the reconstruction term from the zero order term. The system is also easy to align and resilient to environmental disturbance. In the laser driven CH film experiments conducted on the Shenguang-II facility, dual-wavelength measurements based on this system were performed to determine in which form, plasma or neutral particles, the jet is generated.

Paper Details

Date Published: 28 August 2016
PDF: 6 pages
Proc. SPIE 9960, Interferometry XVIII, 99600T (28 August 2016); doi: 10.1117/12.2238886
Show Author Affiliations
Guanghua Chen, China Academy of Engineering Physics (China)
Mu Li, China Academy of Engineering Physics (China)
Zhenxiong Luo, China Academy of Engineering Physics (China)
Jun Liu, China Academy of Engineering Physics (China)
Jun Li, China Academy of Engineering Physics (China)
Shouxian Liu, China Academy of Engineering Physics (China)

Published in SPIE Proceedings Vol. 9960:
Interferometry XVIII
Katherine Creath; Jan Burke; Armando Albertazzi Gonçalves Jr., Editor(s)

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