نتایج جستجو برای: fibre laser
تعداد نتایج: 208522 فیلتر نتایج به سال:
We present numerical modeling of mid-infrared (MIR) supercontinuum generation (SCG) in dispersion-optimized chalcogenide (CHALC) step-index fibres (SIFs) with exceptionally high numerical aperture (NA) around one, pumped with mode-locked praseodymium-doped (Pr(3+)) chalcogenide fibre lasers. The 4.5um laser is assumed to have a repetition rate of 4MHz with 50ps long pulses having a peak power o...
The stress transfer properties of the fibre/matrix interface in the single fibre fragmentation test were investigated. Two carbon fibre-resin systems involving epoxy-sized and unsized fibres, were examined. Axial fibre stress data at resolutions of the order of one micron, were obtained with the technique of Remote Laser Raman Microscopy. Subsequent analytical modeling of the data was performed...
nitric oxide (no) is a small molecule synthesized by most of mammalian cells with diverse biological activities including vasodilatation, host defense and wound healing. impaired wound healing is a common occurrence among diabetics and patients receiving glucocorticoid therapy. on the other hand the application of laser in biomedical area have been increased. thus, the current studies were desi...
Also the optical fiber amplifiers FAs that amplify weak signals such as the. Rare-Earth-Doped Fiber Lasers and Amplifiers, Michael J.F.Chapter 2. Optical and Electronic Properties of Rare Earth Ions in Glasses William J Miniscalco Abstract-HiRes PDF 2316 KB-PDF wlinks 2330 KB.amplifier materials in the system of rare-earth doped glasses are presented. rare-earth-doped ram concept manual pdf fib...
The absorption and reduced scattering coefficients of turbid tissue phantoms have been determined from photothermal measurements made using an optical fibre probe. The thermal sensor was a thin polymer film positioned at the end of a multimode optical fibre. The film was illuminated by the output of a continuous-wave diode laser and formed the cavity of a low-finesse Fabry-Perot interferometer....
Repeated warm laser stimuli produce a progressive increase of the sensation of warmth and heat and eventually that of a burning pain. The pain resulting from repetitive warm stimuli is mediated by summated C fibre responses. To shed more light on the cortical changes associated with pain during repeated subnoxious warm stimulation, we analysed magnetoencephalographic (MEG) evoked fields in elev...
A laser-assisted tuning method of whispering gallery modes (WGMs) in a cylindrical microresonator based on magnetic-fluids-infiltrated microstructured optical fibres (MFIMOFs, where MF and MOF respectively refer to magnetic fluid and microstructured optical fibre) is proposed, experimentally demonstrated and theoretically analysed in detail. The MFIMOF is prepared by infiltrating the air-hole a...
8 DAVIS, D.D.. GAYLORD, T.K., GLYTSIS, E.N., KOSINSKI, S.G., MEITLER, s.c., and VENGSARKER, A.M.: ‘Long-period fibre grating fabrication with focused CO2 laser pulses’, Electron. Lett., 1998, 34, pp. 302-303 DAVIS, D.D.. GAYLORD, T.K., GLYTSIS, E.N., and METTLER, s.c.: ‘CO, laser-induced long-period fibre gratings: spectral characteristics, cladding modes and polarisation independence’, Electro...
Studies reveal that there exists much interaction and communication between bacterial cells, with parts of these social behaviors depending on cell-cell contacts. The cell-cell contact has proved to be crucial for determining various biochemical processes. However, for cell culture with relatively low cell concentration, it is difficult to precisely control and retain the contact of a small gro...
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