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A laser diagnostic for lineshape-based gas temperature and pressure measurements targeting a single atomic potassium absorption transition
A single-line laser absorption diagnostic technique has been developed for rapid measurements of temperature and pressure in high-enthalpy gas...
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Multi-pass enhanced photoacoustic sensor for open gas sensing
In this paper, a photoacoustic trace gas sensor based on a multi-pass enhanced open spherical photoacoustic cell (M-OPAC) was developed. A...
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Direct generation of orthogonally polarized dual-wavelength double pulse Pr: YLF visible laser
This paper presents a flexible method for directly generating an orthogonally polarized dual-wavelength double pulse Pr: YLF visible laser. A...
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Switchable multi-wavelength Pr:YLF laser based on F-P etalon
We established a theoretical model of the multi-wavelength Pr:YLF laser at 604 nm, 607 nm and 639 nm based on the F-P etalon and studied the...
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Temporal and photon number resolution of superconducting nanowire single-photon detectors
Single-photon detectors based on superconducting nanowires (SNSPDs) are promising technologies with good comprehensive performance, especially their...
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Theoretical and experimental investigations on idler-resonant intracavity KTA OPO pumped by a dual-loss-modulated Q-switched laser with AOM and Ta2NiS5 nanosheets
Ta 2 NiS 5 nanosheets were fabricated and analyzed for their microstructures and nonlinear optical responses. As a saturable absorber (SA), Ta 2 NiS 5 was...
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The research on the effect of dynamic tilt variation on the phase of cold atomic gravimeter
In recent years, absolute gravity comparison experiments between cold atomic gravimeter and traditional gravimeter have been carried out by combining...
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High-order harmonic generation in a doped semiconductor by inhomogeneous laser field
High order harmonic generation has emerged as a reliable method in spectroscopy, production of high frequency light and attosecond pulses. Since its...
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Noncollinear phase matching and effective nonlinear coefficient calculations for biaxial crystal out of the principal plane
The essential factor in laser frequency conversion involves phase matching within nonlinear optical crystals. To our knowledge, few studies have...
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Investigating quantum criticality and multipartite entanglement in the anisotropic XY model with staggered Dzyaloshinskii–Moriya interaction
In this work, we utilize the quantum renormalization-group (QRG) method to investigate quantum phase transitions (QPT) in a one-dimensional...
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Mid-infrared spectral properties and laser performance of bulk Tb-doped selenide glass
Spectral characteristics and laser performance of a bulk Tb 3+ -doped selenide glass were studied at room and liquid nitrogen temperatures. Under...
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Flying focus laser wake field acceleration by donut shape pulse
Laser wake field acceleration (LWFA) is limited by some determinative aspects, such as wave breaking, dephasing, pulse divergence, etc. One of the...
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Continuous-waves generation induced by laser radiation dynamics in transparent medium with passively mode-locked saturable absorber
The use of femtosecond laser radiation pulses is a very important tool used for metals or cell ablation, structural changes of materials optical...
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Classification of precious Au-alloys using multivariate method assisted LIBS
The present study describes the potential use of the Laser-induced breakdown spectroscopy (LIBS) coupled with the principle component analysis (PCA)...
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Synchronous detection of CO2 and CH4 gas absorption spectroscopy based on TDM and optimized adaptive Whittaker-Henderson filtering algorithm
A cavity ring-down spectroscopy (CRDS) system based on the time-division multiplexing (TDM) and an improved Whittaker-Henderson (W-H) filtering...
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A comprehensive guide to intracavity absorption spectroscopy
The enormous sensitivity of intracavity absorption spectroscopy (ICAS), as well as its unique ability to tolerate high broadband losses caused by,...
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Two-dimensional temperature measurements in laser-induced air plasma
Simultaneous measurements using two Intensified Charge-Coupled Device (ICCD) cameras with two bandpass filters on laser-induced air plasma have...
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Comment on “Growth and characterization of unidirectional benzil single crystal for photonic applications”
The benzil crystal has at room temperature symmetry with the space group P3 1 21 without a polar axis, thus ferroelectricity cannot exist at RT....
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First thin-disk oscillator with ceramic Yb:LuScO3 in comparison to the operation with ceramic Yb:Lu2O3
We report on the characterization and first laser operation of ceramic Yb:LuScO 3 in a thin-disk oscillator. The optical performance achieved with a...
