Analytic approach for optimal quantization of diffractive optical elements

U Levy, N Cohen, D Mendlovic - Applied optics, 1999 - opg.optica.org
One of the most important factors that limit the performance of diffractive optical elements
(DOE's) is the depth accuracy of the relief structure. A common procedure for fabricating …

Sensitivity of an optimized contour mask technique to errors in fabricating piecewise continuous relief diffractive optical elements

VP Korol'kov - Optoelectronics, Instrumentation and Data Processing, 2014 - Springer
This paper considers the effect of errors in the technological process using an optimized
contour mask technique for fabricating piecewise continuous relief diffractive optical …

Multilevel diffractive elements for generalized wavefront shaping

Y Danziger, E Hasman, AA Friesem… - Optical …, 1996 - spiedigitallibrary.org
A new approach to designing computer-generated multilevel diffractive elements, in which
the phase and the amplitude of the output wavefront can be controlled independently, is …

Stochastic optimization of radial DOE forming intensity distribution along an axial focal zone

DG Kachalov, VS Pavelyev… - Optical Modelling …, 2010 - spiedigitallibrary.org
With enhanced performance of computing facilities the iterative design of phase diffractive
optical elements (DOEs) has become widely accepted. A great number of up-to-date …

How processing errors and broadening of the emission line of a laser affect the operating quality of diffractive optical elements

RV Skidanov, SN Khonina - Journal of Optical Technology, 2004 - opg.optica.org
This paper gives an estimate of the limiting allowable deviations of the microrelief
parameters of diffractive optical elements (DOEs) based on processing errors. Results are …

Fabrication error analysis for diffractive optical elements used in a lithography illumination system

J Wang, F Zhang, Q Song, A Zeng, J Zhu… - Optical …, 2015 - spiedigitallibrary.org
With the constant shrinking of printable critical dimensions in photolithography, off-axis
illumination (OAI) becomes one of the effective resolution-enhancement methods facing …

Techniques for formation of the surface profile of diffractive optical elements

AG Poleshchuk - Optics and lasers in engineering, 1998 - Elsevier
We give a review of the findings of an investigation into a photolithographical method of
fabricating diffractive optical elements (DOEs), based on the use of only one photomask with …

Optimal quantization by use of an amplitude-weighted probability-density function for diffractive optical elements

WF Hsu, IL Chu - Applied optics, 2004 - opg.optica.org
We present a method for determining the optimal quantized phase levels for phase-only
diffractive optical elements by taking into account a modified probability-density function …

Material selection and corresponding optimal surface relief height for multilayer diffractive optical elements

X Dun, W Jin, X Wang - Optical Engineering, 2015 - spiedigitallibrary.org
We present a model based on refractive index difference analysis for optimization of material
selection for multilayer diffractive optical elements (MLDOEs). From the proposed model, two …

Fabrication of phase structures with continuous and multilevel profile for diffraction optics

AG Poleshchuk - Intl Colloquium on Diffractive Optical …, 1991 - spiedigitallibrary.org
This paper presents the investigation results of a new photolithographic fabrication method
of highly effective diffractive optical elements (DOE). The method, unlike the well-known …