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Proceedings Article

Technique of recording and judging the sign of tilt in one interferogram

[+] Author Affiliations
Koji Tenjimbayashi

Mechanical Engineering Lab. (Japan)

Proc. SPIE 2576, International Conference on Optical Fabrication and Testing, 326 (August 2, 1995); doi:10.1117/12.215594
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From Conference Volume 2576

  • International Conference on Optical Fabrication and Testing
  • Toshio Kasai
  • Tokyo, Japan | June 05, 1995

abstract

How to record and judge the sign of tilt, that is the sign of configuration error, in one interferogram where the fringes are frozen is presented. If a flat surface is tested by a Twyman-Green interferometer without an imaging lens, not only usual straight and equally spaced fringes but also the extra curved fringes are caused. We can judge the sign of tilt by knowing which direction the extra fringes are curved. The application of this technique to a lateral shearing interferometer is also shown.

© (1995) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Koji Tenjimbayashi
"Technique of recording and judging the sign of tilt in one interferogram", Proc. SPIE 2576, International Conference on Optical Fabrication and Testing, 326 (August 2, 1995); doi:10.1117/12.215594; http://dx.doi.org/10.1117/12.215594


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