Study on the synthesis and third-order nonlinear optical properties of DA poly-quinacridone optical materials

J Jia, T Li, Y Cui, Y Li, W Wang, L Han, Y Li, J Gao - Dyes and Pigments, 2019 - Elsevier
Quinacridone stands out among many optical materials, because it possesses a large π-
conjugated system, remarkable photothermal stability, excellent semiconductor property …

Nonlinear focal shift due to the Kerr effect for a Gaussian beam focused by a lens

A Aupart-Acosta, M Rosete-Aguilar, J Garduño-Mejía… - Applied Optics, 2023 - opg.optica.org
When a low-power, monochromatic Gaussian beam is focused by a thin lens in air and the
waist of the beam is in the plane of the lens, there is a shift of the focus position if the waist of …

Nonlinear confocal positioner for micron-scale target alignment

J Delgado-Aguillón, C Ruiz, M Rosete-Aguilar… - Optics …, 2023 - opg.optica.org
This paper presents a novel target positioner system that exhibits high sensitivity and
accuracy. Specifically, the system is capable of precisely locating rough target surfaces …

Low-energy/pulse response and high-resolution-CMOS camera for spatiotemporal femtosecond laser pulses characterization@ 1.55 μm

J Zapata-Farfan, R Contreras-Martínez… - Review of Scientific …, 2019 - pubs.aip.org
In this work, we present a commercial CMOS (Complementary Metal Oxide Semiconductor)
Raspberry Pi camera implemented as a Near-Infrared detector for both spatial and temporal …

Simultaneous measurement of dc two-photon absorption signal offset and amplitude of the intensity autocorrelation in the focusing of femtosecond pulses

C Ramírez-Guerra, M Rosete-Aguilar… - Applied Optics, 2020 - opg.optica.org
In this work, the DC two-photon absorption signal offset (\rmDC_\rmTPA DC_TPA) and the
amplitude of the autocorrelation (\rmA_\rmAC A_AC) are measured simultaneously around …

[HTML][HTML] Z-scan confocal method for indirect focus location

P Castro-Marín, G Castro-Olvera, C Ruíz… - AIP Advances, 2017 - pubs.aip.org
We present a new technique that we have defined as the z-scan confocal method to
determine the location and size of the focal spot in a tightly focused ultrashort laser pulse …

Impact of frequency-dependent spherical aberration in the focusing of ultrashort pulses

JA Moreno-Larios, M Rosete-Aguilar… - Applied Optics, 2020 - opg.optica.org
In this paper, the temporal and spatial intensity pulse distributions are calculated around the
focal region of an optical system using a combination of ray tracing and a wave propagation …

Second-order interferometric autocorrelation for measuring group velocity dispersion and pulse broadening of femtosecond pulses

M Narimousa, M Sabaeian… - Applied Optics, 2018 - opg.optica.org
Femtosecond pulse broadening and group velocity dispersion (GVD) were measured using
a second-order interferometric autocorrelation technique. Two reference laser pulses of 36 …

Novel technique for 2D temporal femtosecond laser pulses characterization

AA Bravo-Hernández, I Reyna-Morales… - 2020 IEEE Photonics …, 2020 - ieeexplore.ieee.org
Novel technique for 2D temporal femtosecond laser pulses characterization Page 1 Novel
technique for 2D temporal femtosecond laser pulses characterization Alfredo A. Bravo-Hernández …

Features of nonlinear optical properties of thin-film phthalocyanine coatings obtained by femtosecond hardware-software Z-scan measurement complex

KS Khorkov, RV Chkalov, DA Kochuev… - Journal of Physics …, 2019 - iopscience.iop.org
In this paper, we study the nonlinear optical properties of thin-film phthalocyanine coatings
based on the developed femtosecond hardware-software complex Z-scan. As a control of …