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Optimization of transverse electro-optic effect in LiNbO3 and LiTaO3 crystals
We analyze the transverse electro-optic (EO) effect in an arbitrary direction in LiNbO 3 (LN) and LiTaO 3 (LT) crystals based on the Fresnel index...
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Birefringence changes induced by thermal cycling in lithium niobate
Lithium niobate exhibits slow refractive index drift after temperature excursions typical in device manufacturing. Such drift can degrade performance...
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The nonlinear absorption properties of TaSe2 and its application in ~ 2.0 µm pulsed solid-state lasers
Enhancing the performance of saturable absorbers (SAs) crafted from two-dimensional (2D) narrow-bandgap materials is crucial for their use...
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Measurement and modeling of ionization in a cesium diode pumped alkali laser (DPAL)
We report direct measurement of the laser induced ionization rate of cesium, relevant for a Diode Pumped Alkali Laser (DPAL), via application of an...
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High-speed single-frame polarimeter for thermal radiation to measure the 3D geometry of hot metal surfaces
The 3D geometry of the interaction zone in laser material processing is of major importance as it defines the absorption of the laser beam and may...
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20 W, 15 ns High-repetition-rate and high-beam-quality MOPA laser by spherical aberration self-compensation at 1342 nm
A master oscillator power amplifier (MOPA) pulsed laser operating at 1342 nm is demonstrated. It consists of an acousto-optical (A-O) Q-switched...
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Controllable optical bistability in an optomechanical ring cavity with an atomic ensemble and the Coulomb interaction
The optical bistable characteristics of an optomechanical ring cavity containing a two-level atomic ensemble and Coulomb interaction between a cavity...
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Enhanced THz generation by Hermite-cosh-Gaussian chirped laser in static magnetized plasma
The investigation of tuneable and energy-efficient terahertz (THz) generation has become a prominent field of study due to its significant...
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Spacing-adjustable and switchable multi-wavelength erbium-doped fiber laser using the filter of MMF–PMF–MMF based on PHB
A spacing-adjustable and switchable multi-wavelength erbium-doped fiber laser is proposed and analyzed based on the polarization hole burning (PHB)...
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Axial multipoint laser Doppler velocimetry based on grating guidance
Laser Doppler velocimetry (LDV) technology is highly favored in the field of speed measurement for its high accuracy and resolution. However, it has...
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Study of hygroscopic properties of the mixture of porous and non-porous materials by using optical techniques
The hygroscopicity of urea/diatom compounds was investigated using the dynamic speckle technique, alongside the study of textural properties through...
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Multi-wavelength single-pixel non-line-of-sight imaging with a compressive sensing measurement matrix
Non-line-of-sight (NLOS) imaging aims to reconstruct objects obscured by direct line of sight. Traditional Single-pixel Imaging (SPI) performs...
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Investigating frequency locking in Yb:YAG linearly polarized lasers with different pum** coupling ratios
This paper explores the production of linearly polarized laser output in a diode-pumped Yb:YAG laser at various pum** coupling ratios. To...
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Unveiling nonlinear optical behavior in benzophenone and benzophenone hydrazone derivatives
We systematically investigated the first-order molecular hyperpolarizability, a second-order nonlinear optical phenomenon of 185 organic compounds...
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3D shape measurement based on Res-Attention-Unet for deep learning
This paper proposes a 3D shape measurement method based on Res-Attention-Unet for deep learning, which effectively integrates single-frame fringe...
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Improving hole injection with the polarization effect for 279 nm AlGaN-based deep ultraviolet light-emitting diodes
It is commonly known that the high ionization energy of acceptor magnesium is the cause of the low hole injection efficiency in the active region of...
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Setup for interaction-free measurement of multiple objects using single quantum probe
A theoretical setup is presented that extends quantum interaction-free measurement to include multiple objects. This is done by chaining and...
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Time-division multiplexing underwater light communication using two identical green quantum well diodes
A quantum well (QW) diode that is capable of emitting light is also capable of absorbing light. In particular, the QW diode has broad...
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High-average-power 216 MHz Kerr lens mode-locked Yb:KGW ring laser oscillator for application to laser spectroscopy
We report the development of a ring Yb:KGW laser oscillator with an average power of 4.22 W, a pulse duration of 312 fs at a repetition rate of 216...
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Quantitative analysis of temporal stability and instrument performance during field experiments of an airborne QCLAS via Allan–Werle-plots
Allan–Werle-plots are an established tool in infrared absorption spectroscopy to quantify temporal stability, maximum integration time and best...
