Engineering topics

Beregovski, Y.

Publications and source records attributed to Beregovski, Y..

4 records

NASA NTRS2002

Interferometric validation of image based wavefront sensing for NGST

In this paper, we present the experimental validation of a focus-diverse wavefront sensing algorithm with comparative interferometric measurments of a perturbed test mirror.

NGST phase retrieval focus diversity wavefront sen↗

NASA NTRS2002

SIM internal metrology beam launcher development

In this paper, we present some of the experimental results from a laboratory demonstration unit and design considerations for SIM's internal metrology beam launcher.

metrology↗

NASA NTRS2002

SIM internal metrology beam launcher development

UNKNOWN

metrology↗

NASA NTRS2001

JPL phase retrieval camera

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phase retrieval NGST↗