Protein hydrolysates, as surfactants, can scavenge radicals, but their poor distributions at the oil-water interface limit storage stability. Therefore, we studied covalent interaction between rice protein hydrolysates and chlorogenic acid under alkaline conditions to improve physical oxidative stability of oil-in-water emulsions. Turbidity particle size measurements demonstrated formation hydrolysates-chlorogenic complexes, resulted in decrease redshift fluorescence intensity. The...

On-chip spectrometers using silicon photonics offer a compact, energy-efficient, and cost-effective solution to biochemical spectroscopy hyperspectral imaging in integrated portable application scenarios. The mid-infrared (MIR) spectral band is critical spectroscopic sensing. However, the existing on-chip spectrometer approaches are limited MIR. Here, we present an computational MIR (3.7–4.05 μm) MEMS-enabled photonic device, which realized via time-domain modulation of reconfigurable...

The quasi-three-level 912 nm continuous-wave laser emission under direct diode pumping at 880 into emitting level 4F3/2 of Nd:GdVO4 have been demonstrated. An end-pumped crystal yielded 8.1 W output power for 13.9 absorbed pump power. slope efficiency with respect to the was 0.679. To best our knowledge this is first demonstration such a system. Comparative results obtained 808 nm, highly-absorbing 4F5/2 level, are given in order prove advantages wavelength pumping.

We present for the first time laser architecture to obtain continuous-wave yellow radiation at 594 nm. The choice of crystals (Nd:LuVO4 emission 1343 nm and Nd:YAG 1064 nm) was guided by performance. A part pump power then absorbed Nd:LuVO4 crystal, remaining used crystal. Intracavity sum-frequency mixing realized in a KTiOPO4 (KTP) crystal reach radiation. obtained output 312 mW with diode emitting 18.4 W 808

A new class of hybrid systems that couple optical and mechanical nanoscale devices is under development. According to their interaction concepts, two groups opto-mechanical are summarized as mechanically tunable radiation pressure-driven resonators. On account high-quality factors small mode volumes well good on-chip integrability with waveguides/circuits, photonic crystal (PhC) cavities have attracted great attention in sensing applications. Benefitting from the interaction, a PhC cavity...

We present for the first time a Nd:YAG laser emitting at 1064 nm intracavity pumped by 946 diode-pumped laser. A 809 diode is used to pump crystal nm, and second nm. Intracavity sum-frequency mixing was then realized in LBO reach cyan range. obtained continuous-wave output power of 485 mW 501 with 25.4 W

We report the efficient blue laser at 473 nm generation by intracavity frequency doubling of a continuous wave operation 885 diode direct pumped Nd:YAG on 4F3/2 → 4I9/2 transition 946 nm. A LiB3O5 (LBO) crystal, cut for critical type I phase matching room temperature is used second harmonic laser. At absorbed pump power 18.7 W, as high 4.3 W output achieved with 15 mm long LBO. The optical-to-optical conversion efficiency respect to up 0.23, and beam quality M2 value 1.2.

We describe the output performances of 916 nm 4F3/2 → 4I9/2 transition in Nd:LuVO4 under in-band pumping with diode laser at 880 wavelength, directly into emitting level. An end-pumped crystal yielded 11.7 W continuous-wave power for 23.5 absorbed pump power. The slope efficiency respect to was 66.6%. Furthermore, 5.9 458 deep-blue light acquired by frequency doubling, resulting an optical-to-optical 25.1%. Comparative results obtained 809 nm, highly-absorbing 4F5/2 level, are given order...

We present for the first time a dual-wavelength laser operation at 1064 and 914 nm in two NdYVO4 crystals. A 879 diode is used to pump Nd:YVO4 crystal emitting nm, second intracavity pumped nm. total output power of 4.28 W fundamental wavelengths was achieved absorbed 13.8 W. The M2 values lights maximum were found be around 1.3 1.1, respectively.

A novel long-tail optical fiber current sensor based on loop ring-down spectroscopy (FLRDS) and magnetic-tunable refractive index properties magnetictunable transmission of magnetic fluid is proposed demonstrated for the first time. In sensing system, a Fabry-Perot (F-P) cavity filled with used as head, sensitivity current-sensing has been enhanced significantly. Relations between field are measured. Refractive increases linearly according to F-P interferometer principle, best gap length...

EDTA etching, the first strategy that simply generates deep traps while reducing size and improving aqueous-dispersibility, is presented.

We present for the first time a Nd:YVO4 laser emitting at 1064 nm intracavity pumped by 916 diode-pumped Nd:LuVO4 laser. A 809 diode is used to pump crystal nm, was and lased nm. Intracavity sum-frequency mixing then realized in LiB3O6 (LBO) reach blue range. obtained continuous-wave output power of 216 mW 492 under 19.6 W incident

Economic loss of postharvest wheat under poor storage conditions due to fungal spoilage and mycotoxin contamination is severe. In order study the influencing factors aggravation mildew in natural during storage, we assessed changes Fusarium mycotoxins by high performance liquid chromatography, communities high-throughput sequencing, biochemical components stored artificial simulation conditions. Deoxynivalenol was dominant mycotoxin, reaching 1103 μg/kg at 25 °C with 75% relative humidity...

A Nd:LuVO4 crystal was pumped directly into the emitting level by a laser diode at 915 nm for first time to our knowledge. We achieved an output power of 6.7 W 1066 absorbed pump 8.4 W, corresponding optical-to-optical conversion efficiency 79.8%. decrease about 20% in heat generation under pumping observed compared with 880 pumping.

We report a diode-pumped Nd:YVO4 laser emitting at 880 nm based on the 4F3/2 – 4I9/2 transition for first time. A power of 1.13 W has been achieved in continuous-wave operation with fiber-coupled diode 28.6 808 nm. Furthermore, intracavity second-harmonic generation mode also demonstrated 233 mW 440 by using BiB3O6 (BiBO) nonlinear crystal. The fluctuation blue output was better than 2.3%. beam quality M2 value is 1.2.

We report efficient laser emission on the 914 nm 4 F 3/2 to I 9/2 transition in Nd:YVO4 under pump with diode lasers at 888 for first time. Continuous wave 6.57 W output power is obtained from a V-type resonator 18.3 of absorbed power; slope efficiency respect was 60.6%. Moreover, intracavity frequency doubling BiB3O6 (BiBO) nonlinear crystal yielded 1.77 deep-blue light 457 beam quality characterized by an M2 factor 1.25.

Neuroprotection of Wheat Alkylresorcinols by Modulating Endogenous Antioxidant Defense System.

Mid-infrared (MIR) photonics are generating considerable interest because of the potential applications in spectroscopic sensing, thermal imaging, and remote sensing. Silicon is believed to be a promising solution realize MIR photonic integrated circuits (PICs). The past decade has seen huge growth PIC building blocks. However, there still need for development reconfigurable enable powerful on-chip optical systems new functionalities. In this paper, we present an (3.7~4.1 μm wavelength...

We report for the first time a coherent orange radiation at 600 nm by intracavity sum-frequency generation of 1085 and 1342 laser-lines two Nd:YVO4 lasers. Orange laser is obtained using doubly linear resonator, type-II critical phase matching KTiOPO4 (KTP) crystal mixing. With total diode pump power 29.5 W (18 11.5 laser), TEM00 mode 1.06 obtained. The stability in 30 min better than 2.8%.