Wave-front sensing with a sampling field sensor

Remy Tumbar, Ronald A. Stack, David J. Brady

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


We present a new type of optical wave-front sensor: the sampling field sensor SFS!. The SFS attempts to solve the problem of real-time optical phase detection. It has a high space-bandwidth product and can be made compact and vibration insensitive. We describe a particular implementation of this sensor and compare it, through numerical simulations, with a more mature technique based on the Shack-Hartmann wave-front sensor. We also present experimental results for SFS phase estimation. Finally, we discuss the advantages and drawbacks of this SFS implementation and suggest alternative implementations.

Original languageEnglish (US)
Pages (from-to)72-84
Number of pages13
JournalApplied optics
Issue number1
StatePublished - Jan 1 2000
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering


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