800 nm
Generation of Terahertz Radiation from Fe-doped InGaAsP Using 800 nm to 1550 nm Pulsed Laser Excitation
... 1550 nm excitation was first demonstrated using a THz-TDS system based on a fiber laser (Pro-NIR, Toptica) with a <100 fs pulse width ...1550 nm was split into two paths using a beam ...(1150–1550 ...
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Inscription and characterization of waveguides written into borosilicate glass by a high-repetition-rate femtosecond laser at 800 nm
... Inspection of Figs. 15 and 17 shows that the in- scription conditions for optimal low-loss waveguides are very similar for both polarization states of the femtosecond inscribing laser. Other researchers have reported ...
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A High Efficiency Si Nanowire Array/Perovskite Hybrid Solar Cell
... Finally, we investigate the dependence of the conver- sion efficiency on D/P ratio. It has been widely reported that the D/P ratio has a great influence on the absorp- tion properties of NW array solar cells [32–34]. For ...
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Engineering the Complex Valued Constitutive Parameters of Metamaterials for Perfect Absorption
... to 800 nm, we numerically investigated the necessary refractive index n and extinction coefficient k , and the relative permittivity ε and permeability μ of a metamaterial anti-reflection layer, coating a ...
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New procedure to synthesize silver nanoparticles and their interaction with local anesthetics
... The optical absorption spectra, given in Figure 5 for the wavelength range from 350 to 800 nm, show the effect of adding the volumes (given in the figures, in milliliters) of anesthetic solutions to 2 mL ...
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Hemalatha T, Krithiga G, Charannya Sozheesvari S, Krishnakumar S, Sastry TP*
... engineering. Krishnan et al. (2012) reported that the optical clarity of fish scale collagen and human amniotic membrane are found to be more or less the same with the transparencies around 73% which is comparable to ...
7
Vol 1, No 7 (2012)
... The elemental analyses of the carbon, hydrogen and nitrogen contents were performed by the microanalysis facility at Cairo University, Egypt, using a Perkin-Elmer CHN 2400 (USA). The electronic absorption spectra of ...
9
Study Of Some Physical And Optical Properties Of Bi
... nature of the prepared glasses was determined by X-ray diffraction (XRD) analysis. The physical properties (density, molar volume and oxygen packing density) were determined and calculated. At room temperature by UV-Vis ...
8
Electrochemical Redox of PEDOT-Coated Core-Shell Silica Spheres Stabilized in a PEG-Based Hydrogel Maxtrix: Modulation of the Optical Properties by Doping with Various Oxidative Mediators
... Previous work from our laboratory [30, 31] demonstrated electrochemical modulation of the optical properties of PEDOT-on-silica core-shell particle suspensions and crystalline colloidal arrays in a stabilizing polyether ...
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Kinetically controlled fabrication of gold nanorods and investigation of their thermal stability via in-situ TEM heating
... The kinetically controlled modified synthesis method of CTAB-capped AuNRs produced well- controlled and reproducible AuNRs with various ARs. The colour of the dispersion gradually changed over 20-30 min depending on the ...
5
Optical imaging of head and neck squamous cell carcinoma in vivo using arginine-glycine- aspartic acid peptide conjugated near-infrared quantum dots
... of 800 nm (QD800) to generate QD800-RGD, and used it via intravenous injection as a probe to image tumors in nude mice bearing head and neck squamous cell carcinoma ...
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Nanotopographic cues and stiffness control of tendon-derived stem cells from diverse conditions
... Results: TDSCs from 5-week-old normal tendon showed high expression of type III collagen on the flat NOA86 substrate. In the 15-week normal tendon model, expression of type III collagen was high in TDSCs cultured on the ...
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In vitro perforation of human epithelial carcinoma cell with antibody-conjugated biodegradable microspheres illuminated by a single 80 femtosecond near-infrared laser pulse
... In this study, the in vitro cell membrane perforation is demonstrated by using a biodegradable microsphere, instead of PS sphere, excited by an 800 nm femtosecond laser pulse to direct the method towards a ...
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Enhancement of antireflection property of silicon using nanostructured surface combined with a polymer deposition
... The fabrication process of the Si nanostructures is dis- played schematically in Figure 1. A polished (100) Si plate (10 × 10 mm 2 ) (p-type; Namkang Hi-Tech Co., Sungnam, South Korea) was washed by isopropyl alcohol ...
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Determination and Analysis of Structural and Optical Properties for Thermally Evaporated ZnO Thin Films
... ZnO films have been deposited on glass slide substrates at room temperature by thermal evaporation technique. The prepared samples were annealed at temperature of 300˚C and 400˚C in air atmosphere. Optical and struc- ...
5
Seed Mediated Synthesis of Tunable Aspect Ratio Gold Nanorods for Near Infrared Photoacoustic Imaging
... spatial resolution compared to other traditional optical imaging methods [37–40]. We found that AuNR-PEG with high NIR absorbance could be used as a great con- trasting agent in photoacoustic imaging (Fig. 5). Figure 5a ...
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Controlled generation of ultra-short electron bunches using density modulation
... Figure 5a shows the variation of laser amplitude, bubble velocity, and maximum electron velocity for a non-injecting case, using a 30 fs 800 nm laser with initial dimensionless amplitude[r] ...
6
Broadband saturable absorption and exciton exciton annihilation in MoSe2 composite thin films
... composites on laser wavelength, pulse duration, filler concentration, and linear absorption was carried out systematically. The NLO study was carried out using the open-aperture Z- scan technique with laser pulses with a ...
14
Study the Effect of Different Liquid Media on the Synthesis of Alumina (Al2O3) Nanoparticle by Pulsed Laser Ablation Technique
... During laser ablation of alumina in ethanol small bubbles can be observed in the solution, while in water no bubbles were observed. At high pressure and high temperature, ethanol can decompose to form permanent gases. ...
5
Synthesis, Optical and Dielectric Properties of Tris Glycine Zinc Chloride (TGZC) Single Crystals
... Fig.2 shows optical absorption spectrum of Tris-glycine Zinc Chloride (TGZC) single crystal recorded in the wavelength region ranging from 200 nm to 800 nm using PERKIN-ELMER LAMBDA 25 ...
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