Effect of geometric scaling on the microstructural development of selective laser melted metal parts by Ng, Angelin Shia Yin

“…This study discusses the effect of geometric scaling, delay time (i.e., the time it takes for the laser beam to jump from one scan vector to the adjacent scan vector, which is controlled by the jump speed), gas flow, and defocusing distance on microstructural development and mechanical properties of selective laser melted 316L stainless steel. 316L stainless steel has been used in various industries such as aerospace and petrochemical industries due to its superior properties such as very good corrosion resistance. …”
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On shear adhesion of adhesive fibrils by Linghu, Changhong, Du, Zihao, Sun, Yi, Chen, Weiqiu, Hsia, K. Jimmy

“…Our model reveals that, depending on the fibrillar aspect ratio, the adhesive fibril exhibits three distinct deformation regimes: thin film shearing, thick block shearing, and slender beam bending. The important parameters governing the shear adhesion of the lap shear system are the aspect ratio of fibrils, elastic moduli of the fibrils and substrates, while the Poisson's ratio of fibrils has no noticeable effect. …”
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High flux strontium atom source by Feng, C. H., Robert, P., Bouyer, P., Canuel, B., Li, Jianing, Das, Swarup, Kwong, Chang Chi, Wilkowski, David, Prevedelli, M., Bertoldi, A.

“…To enhance the atomic flux, we employ tailored magnetic fields that minimize radial beam expansion and incorporate a cascaded Zeeman-slowing configuration utilizing two optical frequencies. …”
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Non-Destructive Material Characterization Methods / by Otsuki, Akira, editor 655994, Jose, Seiko, editor 655996, Mohan, Manasa, editor 655997, Thomas, Sabu, editor 391529

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Squeezing the Quantum Noise of LIGO below the Standard Quantum Limit by Jia, Wenxuan

“…The SQL applies when using uncorrelated photons or coherent light to measure the object, such as a laser beam. However, introducing quantum correlations through squeezed light, a technique called squeezing (Chapter 2), can circumvent this limit. …”
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Wafer-scale growth of vertical-structured SnSe₂ nanosheets for highly sensitive, fast-response UV–Vis–NIR broadband photodetectors by Chen, Zhiyong, Xiong, Lei, Li, Guangyuan, Wei, Lei, Yang, Chunlei, Chen, Ming

“…Herein are reported high-performance nonplanar UV–Vis–NIR broadband PD arrays, based on wafer-scale, vertical-structured SnSe2 nanosheet arrays (NSAs) via low-temperature molecular beam epitaxy method. The vertical-structured SnSe2 NSAs possess light absorption efficiency of >90% covering the wave range from 340 to 650 nm. …”
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Programmable interfacial band configuration in WS2/Bi2O2Se heterojunctions by Zhang, Hanwen, Fu, Jianhui, Carvalho, Alexandra, Poh, Eng Tuan, Chung, Jing-Yang, Feng, Minjun, Chen, Yinzhu, Wang, Bo, Shang, Qiuyu, Yang, Hengxing, Zhang, Zheng, Lim, Sharon Xiaodai, Gao, Weibo, Gradečak, Silvija, Qiu, Cheng-Wei, Lu, Junpeng, He, Chunnian, Sum, Tze Chien, Sow, Chorng Haur

“…Using this material combination, we further design a sophisticated band architecture incorporating both type-I (WS2 straddles Bi2O2Se, fluorescence-quenched) and type-I (Bi2SeO5 straddles WS2, fluorescence-recovered) alignments in one sample through focused laser beam (FLB). By programming the FLB trajectory, we achieve a predesigned localized fluorescence micropattern on WS2 without changing its intrinsic atomic structure. …”
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Growth of gallium nitride nanowires by low pressure chemical vapor deposition (LPCVD) by Wang, Jianbo

“…Growth of III-Nitride nanowires on Si, which is the most commonly used substrate in microelectronic industry, using different growth techniques such as conventional Chemical Vapor Deposition (CVD), Metal Organic Chemical Vapor Deposition (MOCVD), and Molecular Beam Epitaxy (MBE) etc. have been explored. Low pressure chemical vapor deposition (LPCVD), which is widely used in Si wafer fabs, is of particular interest due to its low cost, ability to handle large size wafer and high throughput. …”
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Ordered hybrid nanoneedle arrays for gas sensing by Liu, Hai

“…In the present thesis, a novel ordered metal/silicon hybrid nanoneedle array is fabricated using an ion beam that patterns the metal/silicon substrate producing a pillar array followed by the self-organization of hybrid nanoneedles. …”
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Surface plasmon resonance (SPR) enhanced biosensors by Zhang, Jinling

“…The fabrication steps of the arrays were composed of electron-beam lithography and nano-imprint lithography. In comparison with the PAuNH array, the AuNH array offered higher field enhancement for fluorescence when only LSP was excited. …”
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Two-dimensional transitional metal dichalcongenide heterostructures : interface optical properties by Zheng, ShouJun

“…In the hBN/TMDC/hBN heterostructure, e-beam induced e-h pairs can transfer to and be trapped in the middle TMDC layer, leading to increased recombination probability within the TMDC layer. …”
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Novel heat treatment methodology for residual stress relieve of AlSi10Mg without compromise of mechanical strength by Lim, Chong Heng

“…Additive manufacturing (AM) has made the fabrication of complex parts possible which otherwise, would not have been possible with conventional subtractive manufacturing. Laser Beam Powder Bed (LBPB) Fusion, commonly known as Selective Laser Melting (SLM), is one of the methodologies in AM for metal fabrication. …”
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SPP/LSP coupled hybrid mode directed multi-functional surface-enhanced Raman system by Du, Luping

“…In the experiment, SPPs are excited by a tightly-focused radially polarized beam and interact with the nanospheres to generate the plasmon-hybrid-mode, exactly according to the second configuration aforementioned. …”
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Hybrid lasers and modulator on silicon in the near- and mid-infrared region by Hu, Xiaonan

“…The lateral grating can be fabricated by CMOS-compatible inline lithography, which avoids the use of expensive and time-consuming electron beam lithography. The device works at room temperature with the single-side-suppression-ratio (SMSR) of 20 dB and the threshold current density is 1.54 kA/cm2. …”
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Pulsed fiber laser at 1 μm wavelength region by Liu, Meng

“…The optical-to-optical conversion efficiency of ~ 67% for the main amplifier and the 4σ beam quality (M2) of 1.7 is obtained. The limiting factors for high power YDPFLs (such as ASE, Stimulated Raman Scattering (SRS) and Stimulated Brillouin Scattering (SBS)) are cautiously studied and addressed. …”
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Selected Problems of Solid Mechanics and Solving Methods / by Altenbach, Holm, 1956-, editor 444293, Bogdanov, Viacheslav, editor 656036, Grigorenko, Alexander Ya, editor 656037, Kushnir, Roman M., editor 656038, Nazarenko, Vladimir M., editor 656039, Eremeyev, Victor A., editor 531300

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Developments in THz Polaritonics: Towards Integrated Nonlinear THz Spectroscopy by Sung, Eric Rueyhao

“…The optical pump light is focused onto the bevel, after which it refracts and becomes confined within the waveguide by total internal reflection. This allows the pump beam to repeatedly drive the generated THz field during its multiple back-and-forth traversals within the LN slab. …”
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Developing metallic cathode for low-temperature solid oxide fuel cell applications by Yu, Chen-Chiang

“…To study the stability of metallic cathode, an interfacial structure characterization method, double cantilever beam delamination, was developed to determine the triple phase boundary structure for the thin-film electrode. …”
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Investigations into femtosecond laser hybrid manufacturing for 3D power sources by Tham, Nicholas Cheng Yang

“…These VPGs are then demonstrated as active beam steering units and tuneable spectroscopic optical elements. …”
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A Brewster route to Cherenkov detectors by Lin, Xiao, Hu, Hao, Easo, Sajan, Yang, Yi, Shen, Yichen, Yin, Kezhen, Blago, Michele Piero, Kaminer, Ido, Zhang, Baile, Chen, Hongsheng, Joannopoulos, John, Soljačić, Marin, Luo, Yu

“…Our angular-selective Brewster paradigm offers a feasible solution to implement compact and highly sensitive Cherenkov detectors especially in beam lines with a small angular divergence using regular dielectrics.…”
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