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OPTICAL DIFFERENTIATION PHASE MEASUREMENT USING A MODIFIED MULTI-STEP BIAS-SHIFTING METHOD

Hideo Furuhashi, Yoshiyuki Uchida, Kiyofumi Matsuda, Akihiro Kono
  • Abstract:
    An optical differentiation phase measurement system using a modified multi-step bias-shifting method is proposed. The signal obtained by multi-step bias shifting is divided into two groups in this new method. The effectiveness of the new method was demonstrated using a computer simulation.
  • Keywords:
    phase measurement, wavefront, optical differentiation
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  • DOI:
    _unreg_wc-2006.TC2-008

Event details:

  • IMEKO TC:
  • Event name:
    XVIII IMEKO World Congress
  • Title:

    Metrology for a Sustainable Development

  • Place:
    Rio de Janeiro, BRAZIL
  • Time:
    17 September 2006 - 22 September 2006