High resolution speckle interferometry by replacing temporal information with spatial information

Y. Arai; T. Inoue; S. Yokozeki

doi:10.1117/12.889224

27 May 2011 High resolution speckle interferometry by replacing temporal information with spatial information

Y. Arai, T. Inoue, S. Yokozeki

Proceedings Volume 8082, Optical Measurement Systems for Industrial Inspection VII; 80821U (2011) https://doi.org/10.1117/12.889224
Event: SPIE Optical Metrology, 2011, Munich, Germany

Abstract

Electronic speckle pattern interferometry using virtual speckle patterns is a high resolution deformation measurement method. Usually, virtual speckle patterns have been produced by Hilbert transform or Carré algorithm. However, there are some problems concerning calculating time and quantity of deformation in the process of producing virtual speckle patterns. In proposed method, virtual speckle patterns are easily produced by replacing temporal information with spatial information on CCD without processing by Fourier transform or Carré algorithm. As the results, calculating cost of virtual speckle patterns is improved. It is confirmed that the new method is equal to ordinary methods in measurement accuracy.

Citation Download Citation

Y. Arai, T. Inoue, and S. Yokozeki "High resolution speckle interferometry by replacing temporal information with spatial information", Proc. SPIE 8082, Optical Measurement Systems for Industrial Inspection VII, 80821U (27 May 2011); https://doi.org/10.1117/12.889224

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available