Single beam off-axis digital holography of laser driven jet using ring cavity

Guanghua Chen; Mu Li; Zhenxiong Luo; Jun Liu; Jun Li; Shouxian Liu

doi:10.1117/12.2238886

28 August 2016 Single beam off-axis digital holography of laser driven jet using ring cavity

Guanghua Chen, Mu Li, Zhenxiong Luo, Jun Liu, Jun Li, Shouxian Liu

Proceedings Volume 9960, Interferometry XVIII; 99600T (2016) https://doi.org/10.1117/12.2238886
Event: SPIE Optical Engineering + Applications, 2016, San Diego, California, United States

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.

Citation Download Citation

Guanghua Chen, Mu Li, Zhenxiong Luo, Jun Liu, Jun Li, and Shouxian Liu "Single beam off-axis digital holography of laser driven jet using ring cavity", Proc. SPIE 9960, Interferometry XVIII, 99600T (28 August 2016); https://doi.org/10.1117/12.2238886

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