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45 results

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Page 1
Optofluidic Particle Manipulation Platform with Nanomembrane.
Walker ZJ, Wells T, Belliston E, Romney S, Walker SB, Sampad MJN, Saiduzzaman SM, Losakul R, Schmidt H, Hawkins AR. Walker ZJ, et al. Micromachines (Basel). 2022 Apr 30;13(5):721. doi: 10.3390/mi13050721. Micromachines (Basel). 2022. PMID: 35630187 Free PMC article.
The hollow channel is primarily used for fluid and particle transport but is capable of transmitting light over short distances and utilizes radiation pressure for particle trapping applications. The optofluidic platform features solid-core ridge waveguides which ca …
The hollow channel is primarily used for fluid and particle transport but is capable of transmitting light over short distance …
Simultaneous Measurement of Temperature and Refractive Index Using High Temperature Resistant Pure Quartz Grating Based on Femtosecond Laser and HF Etching.
Zhao N, Lin Q, Yao K, Zhang F, Tian B, Chen F, Jiang Z. Zhao N, et al. Materials (Basel). 2021 Feb 22;14(4):1028. doi: 10.3390/ma14041028. Materials (Basel). 2021. PMID: 33671573 Free PMC article.
Through femtosecond laser writing pure silica fiber, a high temperature resistant wavelength type FBG temperature sensor is obtained, and the FBG is corroded by hydrofluoric acid (HF) to realize a high-sensitivity intensity-type refractive index sensor. Because the light h …
Through femtosecond laser writing pure silica fiber, a high temperature resistant wavelength type FBG temperature sensor is obtained, and th …
Microscopic imaging with electrogenerated chemiluminescence.
Maus RG, Wightman RM. Maus RG, et al. Anal Chem. 2001 Aug 15;73(16):3993-8. doi: 10.1021/ac010128e. Anal Chem. 2001. PMID: 11534727
The use of electrogenerated chemiluminescence (ECL) at microelectrodes as a light source for scanning optical microscopy is demonstrated. Cone-shaped microelectrodes were constructed by flame etching carbon fibers to a fine point. ...ECL arose from the reaction of 9 …
The use of electrogenerated chemiluminescence (ECL) at microelectrodes as a light source for scanning optical microscopy is demonstra …
Photon Doppler velocimetry measurements of transverse surface velocities.
Johnson CR, LaJeunesse JW, Sable PA, Dawson A, Hatzenbihler A, Borg JP. Johnson CR, et al. Rev Sci Instrum. 2018 Jun;89(6):063106. doi: 10.1063/1.5006178. Rev Sci Instrum. 2018. PMID: 29960569
The goal of this work was to develop a technique for making transverse surface velocity measures utilizing Photon Doppler Velocimetry (PDV). Such a task is achieved by transmitting light and collecting Doppler-shifted light at an angle relative to the normal …
The goal of this work was to develop a technique for making transverse surface velocity measures utilizing Photon Doppler Velocimetry (PDV). …
Toward Near-Perfect Diffractive Optical Elements via Nanoscale 3D Printing.
Wang H, Wang H, Zhang W, Yang JKW. Wang H, et al. ACS Nano. 2020 Aug 25;14(8):10452-10461. doi: 10.1021/acsnano.0c04313. Epub 2020 Jul 24. ACS Nano. 2020. PMID: 32687316
They consist of microscopic structures of varying heights to control the phase of either reflected or transmitted light. However, traditional methods to achieve varying thicknesses of structures for DOEs are tedious, requiring multiple aligned lithographic steps eac …
They consist of microscopic structures of varying heights to control the phase of either reflected or transmitted light. Howev …
Radon alpha track counting on solid state nuclear track detector by an ImageJ-based software macro.
Frutos-Puerto S, Hurtado-Sanchez MC, Pérez JT, Pinilla-Gil E, Miró C. Frutos-Puerto S, et al. Appl Radiat Isot. 2021 Jul;173:109695. doi: 10.1016/j.apradiso.2021.109695. Epub 2021 Apr 1. Appl Radiat Isot. 2021. PMID: 33831720
In this work, a simple, fast and low-cost image acquisition system for the determination of tracks in chemically etched CR-39 solid-state nuclear track detectors to quantify (222)Rn alpha tracks has been proposed. The image of the detector surface is obtained by a conventi …
In this work, a simple, fast and low-cost image acquisition system for the determination of tracks in chemically etched CR-39 solid-s …
Optimal design of the annular groove phase mask central region.
König L, Absil O, Lobet M, Delacroix C, Karlsson M, Orban de Xivry G, Loicq J. König L, et al. Opt Express. 2022 Jul 18;30(15):27048-27063. doi: 10.1364/OE.461047. Opt Express. 2022. PMID: 36236884 Free article.
Vortex phase masks have been shown to be an efficient means to reduce the blinding stellar light in high-contrast imaging instruments. Once placed at the focal plane of the telescope, the helical phase ramp of a vortex phase mask diffracts the light of a bright on-a …
Vortex phase masks have been shown to be an efficient means to reduce the blinding stellar light in high-contrast imaging instruments …
Porous Silicon Gradient Refractive Index Micro-Optics.
Krueger NA, Holsteen AL, Kang SK, Ocier CR, Zhou W, Mensing G, Rogers JA, Brongersma ML, Braun PV. Krueger NA, et al. Nano Lett. 2016 Dec 14;16(12):7402-7407. doi: 10.1021/acs.nanolett.6b02939. Epub 2016 Nov 7. Nano Lett. 2016. PMID: 27797522
Conventional microfabrication creates Si square microcolumns (SMCs) that can be electrochemically etched into PSi elements with nanoscale porosity along the shape-defined etching pathway, which imparts the geometry with structural birefringence. Free-space character …
Conventional microfabrication creates Si square microcolumns (SMCs) that can be electrochemically etched into PSi elements with nanos …
Combination of an Axicon Fiber Tip and a Camera Device into a Sensitive Refractive Index Sensor.
Tai YH, Tsai PC, Ho YL, Delaunay JJ, Wei PK. Tai YH, et al. Sensors (Basel). 2019 Nov 11;19(22):4911. doi: 10.3390/s19224911. Sensors (Basel). 2019. PMID: 31717912 Free PMC article.
An axicon fiber tip combined with a camera device is developed to sensitively detect refractive indexes in solutions. The transparent axicon tips were made by etching optical fibers through a wet end-etching method at room temperature. When the axicon fiber tip was …
An axicon fiber tip combined with a camera device is developed to sensitively detect refractive indexes in solutions. The transparent axicon …
Optical Angular Sensor for Space Applications.
Dabsch A, Rosenberg C, Trimmel M, Keplinger F. Dabsch A, et al. Sensors (Basel). 2021 Sep 6;21(17):5979. doi: 10.3390/s21175979. Sensors (Basel). 2021. PMID: 34502870 Free PMC article.
The presented optical angular sensor can statically measure the angle phi of any apparatus depending on the torsion of the optical component against the sensor housing. Core element of the sensor is an optical medium with an etched structure, which diffracts light f …
The presented optical angular sensor can statically measure the angle phi of any apparatus depending on the torsion of the optical component …
45 results