Martin Fallyhttps://orcid.org/0000-0001-7440-9923,1 Jürgen Klepp,1 Mostafa A. Ellabban,2,3 Helmut Eckerlebe,4 Philipp K. Pranzas,4 Jinxin Guo,5 Yasuo Tomita5
1Univ. Wien (Austria) 2Tanta Univ. (Egypt) 3Taibah Univ. (Saudi Arabia) 4Helmholtz-Zentrum Geesthacht (Germany) 5The Univ. of Electro-Communications (Japan)
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.
It is well known that in standard diffaction experiments only the amplitudes of structural Fourier components are recovered but phase information is lost. This problem is known as the ’phase problem’ in crystallography. In this contribution, we point out how the phase problem of diffraction can be solved in some particular cases by employing multi-wave interference. In the experimental situation described here, we were able to determine the form of the refractive-index profile of a 1-D nanocomposite holographic grating by using a multi-wave coupling analysis of the measured angular dependence of the diffraction efficiencies for a number of diffraction orders.
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.
The alert did not successfully save. Please try again later.
Martin Fally, Jürgen Klepp, Mostafa A. Ellabban, Helmut Eckerlebe, Philipp K. Pranzas, Jinxin Guo, Yasuo Tomita, "Retrieving the refractive index profile of a holographic grating by diffraction experiments," Proc. SPIE 11030, Holography: Advances and Modern Trends VI, 110300I (23 April 2019); https://doi.org/10.1117/12.2527317