Conical refraction: fundamentals and applications

A Turpin, YV Loiko, TK Kalkandjiev… - Laser & Photonics …, 2016 - Wiley Online Library
In 1832 Hamilton predicted that a collimated light beam propagating through a biaxial crystal
parallel to one of its optical axes refracts as a slanted cone within the crystal and emerges as …

Blue-detuned optical ring trap for Bose-Einstein condensates based on conical refraction

A Turpin, J Polo, YV Loiko, J Küber, F Schmaltz… - Optics express, 2015 - opg.optica.org
We present a novel approach for the optical manipulation of neutral atoms in annular light
structures produced by the phenomenon of conical refraction occurring in biaxial optical …

Classical and quantum analysis of propagation invariant vector flat-top beams

N Bhebhe, C Rosales-Guzman, A Forbes - Applied optics, 2018 - opg.optica.org
Laser beams with a near uniform intensity profile, such as flat-top and super-Gaussian
beams, have found many applications, particularly in laser materials processing …

Multi-band operation of flat-top supercontinuum laser sources with programmable repetition rate up to 50 GHz

M Song, H Choi, G Choi, SP Han, S Lim… - Journal of Lightwave …, 2022 - opg.optica.org
We present ultra-broadband flat-topped supercontinuum laser sources with programmable
repetition rate, spectral bandwidth, and wavelength regime. Supercontinuum sources with …

Blue laser welding of 7075-T6 aluminum alloy and carbon fiber reinforced polyetheretherketone

G Yuan, Z Zhou, X Li, Y Long - Optics & Laser Technology, 2022 - Elsevier
Laser welding was employed to join aluminum alloys and carbon fiber reinforced polymers
(CFRP) inexpensively and quickly in lightweight automobiles, especially in the field of new …

Polarization tailored novel vector beams based on conical refraction

A Turpin, YV Loiko, A Peinado, A Lizana… - Optics …, 2015 - opg.optica.org
Coherent vector beams with involved states of polarization (SOP) are widespread in the
literature, having applications in laser processing, super-resolution imaging and particle …

Generation of uniform-intensity light beams with controllable spatial shapes

V Dev, ANK Reddy, V Pal - Optics Communications, 2020 - Elsevier
We present the generation of high-quality light beams of controllable spatial shapes with
uniform-intensity distribution based on diffractive optical elements (DOEs) designed by an …

Robust design of diffractive optical elements for forming flat-top beams with extended depth of focus

ANK Reddy, V Pal - Applied Physics B, 2019 - Springer
Robust designs of single-diffractive optical elements (DOEs) on forming flat-top beams with
extended depth of focus for different wavelengths and beam sizes are presented. The …

Lasing with conical diffraction feature in the KGd(WO4)2:Nd biaxial crystal

A Brenier - Applied Physics B, 2016 - Springer
With an experimental set-up designed to record simultaneously the far-field and the near-
field patterns, we got lasing with feature of conical diffraction in the biaxial Nd 3+-doped KGd …

On the dual-cone nature of the conical refraction phenomenon

A Turpin, Y Loiko, TK Kalkandjiev, H Tomizawa… - Optics Letters, 2015 - opg.optica.org
In conical refraction (CR), a focused Gaussian input beam passing through a biaxial crystal
and parallel to one of the optic axes is transformed into a pair of concentric bright rings split …