Excimer laser patterned dielectric masks for the fabrication of diffractive optical elements by laser ablation

D Schäfer, J Ihlemann, K Mann, G Marowsky - Applied Physics A, 1999 - Springer
Masks for laser processing are generated by laser ablation patterning of dielectric layer
systems. The application of these masks for the rapid fabrication of diffractive optical …

Patterning of optical coatings by laser ablation for the fabrication of dielectric masks and diffractive phase elements

J Ihlemann, D Scha¨ fer - Journal of Micro/Nanolithography …, 2004 - spiedigitallibrary.org
Excimer laser ablation is a versatile method to generate 2-or 3-D microstructured devices for
mechanics, fluidics, and optics. Particularly, if in 1-D the structure is predefined by a layer …

Fabrication of diffractive phase elements for the UV-range by laser ablation patterning of dielectric layers

J Ihlemann, D Schäfer - Applied Surface Science, 2002 - Elsevier
Ablation patterning of layered systems enables very precise ablation depth control. Within a
certain process window, the ablation depth does not depend critically on the laser fluence …

Ablation of microstructures applying diffractive elements and UV femtosecond laser pulses

JJJ Kaakkunen, J Bekesi, J Ihlemann, P Simon - Applied Physics A, 2010 - Springer
A new method for simple and economic fabrication of diffractive optical elements (DOEs)
with three and four phase levels, by UV nanosecond (ns) laser ablation is presented. The …

Fabrication of diffractive optical elements by ArF-laser ablation of fused silica

J Bekesi, D Schaefer, J Ihlemann… - Photon Processing in …, 2003 - spiedigitallibrary.org
Excimer laser ablation at 193 nm is used for the generation of a surface relief structure on
fused silica with the aim to fabricate diffractive optical phase elements to be applied for …

Graded transmission dielectric optical masks by laser ablation

K Rubahn, J Ihlemann - Applied surface science, 1998 - Elsevier
Dielectric interference layer systems designed for high reflectivity at 248 nm are patterned by
ArF-excimer laser ablation (193 nm). Each single pulse ArF-laser exposure in vacuum at a …

Multilevel diffractive optical element manufacture by excimer laser ablation and halftone masks

F Quentel, J Fieret, AS Holmes… - Laser Applications in …, 2001 - spiedigitallibrary.org
A novel method is presented to manufacture multilevel diffractive optical elements (DOEs) in
polymer by single-step KrF excimer laser ablation using a halftone mask. The DOEs have a …

Excimer laser fabrication of low-cost diffractive optical prototypes for CO2 laser marking applications

M Flury, JG Fontaine, P Gerard… - Computer-Controlled …, 1999 - spiedigitallibrary.org
We present a novel use of micro-machining with excimer laser: realization of reflective
diffractive optical elements (DOE) for laser marking. The DOE's design is first calculated …

Excimer laser ablation lithography applied to the fabrication of reflective diffractive optics

M Flury, A Benatmane, P Gerard, PC Montgomery… - Applied Surface …, 2003 - Elsevier
We propose a low cost technique for the production of diffractive optical elements (DOE).
These elements are devoted to high power lasers beam shaping in the mid-infrared …

Fabrication of diffractive phase elements by F2-laser ablation of fused silica

M Schulz-Ruthenberg, J Ihlemann… - … on Laser Precision …, 2003 - spiedigitallibrary.org
F 2-laser ablation at 157 nm was used for generating sub-micron surface relief structures on
fused silica to define binary diffractive phase elements (DPE). A pattern array of 128 x 128 …