Beam homogenizers based on chirped microlens arrays

F Wippermann, UD Zeitner, P Dannberg, A Bräuer… - Optics express, 2007 - opg.optica.org
Lens array arrangements are commonly used for the homogenization of highly coherent
laser beams. These fly's eye condenser configurations can be used to shape almost …

Laser-induced optical breakdown effects of micro-lens arrays and diffractive optical elements on ex vivo porcine skin after 1064 nm picosecond laser irradiation

H Kim, JK Hwang, M Jung, J Choi… - Biomedical Optics …, 2020 - opg.optica.org
The current study aims to investigate the effects of micro-lens arrays (MLA) and diffractive
optical elements (DOE) on skin tissue via intra-dermal laser-induced optical breakdown …

Ultraprecision machining of microlens arrays with integrated on-machine surface metrology

D Li, B Wang, Z Qiao, X Jiang - Optics express, 2019 - opg.optica.org
Microlens arrays (MLAs) are increasingly applied in high-end photonics and imaging
systems. Advanced diamond turning machining with tool servo technique is a superior …

ASE suppression in a high energy Titanium sapphire amplifier

K Ertel, C Hooker, SJ Hawkes, BT Parry, JL Collier - Optics express, 2008 - opg.optica.org
The energy required to generate ultrashort pulses with petawatt peak power from a Ti:
sapphire laser system is a few tens of joules. To achieve this, the final amplifier must have a …

From regular periodic micro-lens arrays to randomized continuous phase profiles

M Cumme, A Deparnay - Advanced Optical Technologies, 2015 - degruyter.com
Illumination systems for various industrial applications, eg, in semiconductor industries and
medical treatment techniques, require a specific and well-adapted intensity distribution with …

Fabrication of high integrated microlens arrays on a glass substrate for 3D micro-optical systems

Y Wei, Q Yang, H Bian, F Chen, M Li, Y Dai… - Applied Surface Science, 2018 - Elsevier
Microlens array have been developed as an essential element in integrated micro-optical
systems. However, rapidly fabrication of high integration, high fill factor and multi-layer …

Diffraction of partially-coherent light beams by microlens arrays

NI Petrov, GN Petrova - Optics Express, 2017 - opg.optica.org
The synthesis method including wave-optics and ray-tracing for the acceleration of the
simulation of micro-optical systems has been developed. The effects of the spatial …

Fabrication of microlens array diffuser films with controllable haze distribution by combination of breath figures and replica molding methods

C Yi Wu, TH Chiang, CC Hsu - Optics express, 2008 - opg.optica.org
This work demonstrates the fabrication of a simple, low-cost microlens array (MLA) diffuser
film with controllable haze distribution (diffusion effect) by a combination of “breath …

Pancharatnam–Berry optical lenses

H Yu, Z Zhou, Y Qi, X Zhang, QH Wei - JOSA B, 2019 - opg.optica.org
In this paper, we analyze a few aspects of Pancharatnam–Berry (PB) phase optical lenses.
First, we provide theoretical formulas on how the optical efficiency, focal length, and point …

GPC light shaper: static and dynamic experimental demonstrations

A Bañas, O Kopylov, M Villangca, D Palima… - Optics express, 2014 - opg.optica.org
Generalized Phase Contrast (GPC) is an efficient method for generating speckle-free
contiguous optical distributions useful in diverse applications such as static beam shaping …