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  • 1
    Electronic Resource
    Electronic Resource
    Gratings in indium oxide film overlayers on ion-exchanged waveguides by excimer laser micromachining (2001)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 78 (2001), S. 694-696 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Relief Bragg gratings were imprinted by 248 nm interferometric excimer laser ablation on potassium ion-exchanged channel waveguides in BK-7 glass overlaid with a thin high-index InOx film. Using five pulses of energy density 60 mJ/cm2, a spectral transmittance notch of depth 66% and ΔλFWHM〈0.1 nm was obtained at 1547 nm in the TE polarization for a waveguide having a nominal width of 8 μm and a 135-nm-thick InOx overlayer. In waveguides coated with 100 nm InOx, with widths increasing from 3 to 8 μm, the reflection wavelength shifted by 0.12 nm/μm and the reflectivity increased monotonically. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1345836
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Manipulation of colloidal gold nanoparticles in the evanescent field of a channel waveguide (2000)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 76 (2000), S. 1993-1995 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Colloidal gold spheres of radius 10 nm are reported to move forward in water, under the influence of radiation pressure forces, due to the evanescent field at the surface of an optical channel waveguide. The velocity is linearly dependent upon the optical power in the waveguide, acquiring a maximum velocity of 4 μm/s for modal power of 500 mW in the TM polarization at a wavelength of λ=1.047 μm. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.126232
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Continuous measurement of blood hydration during ultrafiltration using optical methods (1987)
    Springer
    Medical & biological engineering & computing 25 (1987), S. 317-323 
    Details
    ISSN: 1741-0444
    Keywords: Blood hydration ; Blood volume ; Body fluids ; Haemodialysis ; Optical absorption ; Ultrafiltration
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract An optical blood hydration monitor for use with extracorporeal haemodialysis circuits is described. Studies in five stable haemodialysis patients demonstrate good correlations between measured blood water, haemoglobin concentration and optical attenuation during ultrafiltration. There are no significant errors introduced as a result of a changing extracorporeal circuit pressure and errors resulting from a changing state of oxygenation of haemoglobin are small. Changes in blood volume effected by ultrafiltration may be deduced if it is assumed that these are due solely to shifts of water into or out of the vascular compartment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02447431
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    Paper (German National Licenses)
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