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  • 1
    Online Resource
    Online Resource
    Reviews of Physiology, Biochemistry and Pharmacology. (2003)
    Berlin, Heidelberg :Springer Berlin / Heidelberg,
    Details
    Keywords: Human physiology. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (158 pages)
    Edition: 1st ed.
    ISBN: 9783540448341
    Series Statement: Reviews of Physiology, Biochemistry and Pharmacology Series ; v.148
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=6383560
    Language: English
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    GEOMAR EBL
  • 2
    Electronic Resource
    Electronic Resource
    Infrared Quantitative Analysis Data. CS-16. Determination of Acetylsalicylic Acid, Phenacetin, and Caffeine in Mixtures (1957)
    s.l. : American Chemical Society
    Analytical chemistry 29 (1957), S. 1895-1895 
    Details
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ac60132a607
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Frequency stabilization and control of a mode-locked dye laser (1995)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 66 (1995), S. 4806-4812 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: The mode comb of a synchronously pumped mode-locked dye laser is stabilized in frequency by locking one of its modes to a transmission maximum of a reference Fabry–Perot interferometer. The frequency error signal, obtained by a conventional modulation–demodulation technique, is fed back to permanently readjust the cavity length of the laser via an integrating servo amplifier and a piezo-positioned end mirror. Insertion of an appropriate loop filter prevents loop oscillations on the dominant mechanical resonance of the transducer–mirror combination. A special ramp automatic reset function is introduced to avoid saturation of the servo amplifier. To verify the improvement in laser stability the emission spectrum was scanned with a high-resolution optical spectrum analyzer. A laser linewidth of 3 MHz has been achieved. Extended linear sweeps of the stabilized mode comb for spectroscopic measurements were realized by simultaneously tuning the reference cavity and tilting the intracavity etalon. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1146156
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    High-repetition-rate electro-optic cavity dumping (1995)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 66 (1995), S. 961-967 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A method for obtaining very high electro-optic switching rates is demonstrated and employed for cavity dumping of a synchronously pumped mode-locked dye laser. The intracavity light switch consists of a Pockels cell and a thin-film polarizer. A synchronous, field-effect transistor-switch based generator delivers, at 10 MHz repetition rate, 15-ns pulses with an amplitude of 300 V required for operating the Pockels cell. High electrical efficiency is obtained by connecting the Pockels cell via a resonant line. Dispersion of the high-voltage pulse shuttling on the line is minimized by using phase compensation networks at its ends. From the optical pulse circulating in the laser cavity at 80 MHz, an adjustable fraction is dumped out on every eighth round trip. Intermediate pulses are suppressed by about 1:100. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1145630
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Resonance-tracking servo for an acousto-optic modulator (1994)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 65 (1994), S. 2482-2488 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A new scheme for locking an acoustic resonance of an acousto-optic modulator to the exciting rf field applied for laser mode locking is presented. The resonance of the mode-locking quartz prism is temperature-tuned to match the synthesizer frequency. Deviation from perfect matching is sensed by observing the relative phase of the rf wave reflected at the device, and the error signal is fed back by a servo loop adjusting the heat delivered by a heating transistor to maintain the temperature required for exact resonance. The performance of the resonance-tracking loop was checked on several different resonances of the modulator (used in an argon-ion laser), because switching to another resonance is a simple and attractive way for changing the laser pulse repetition rate (or mode spacing) without replacing the mode-locker unit. Excellent loop response was found in all cases. The new tracking principle provides a widely extended tracking range, improved tracking accuracy and laser stability, and simplifies the laser adjustment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1144706
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Low-noise optical heterodyne spectrum analyzer (1995)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 66 (1995), S. 4461-4466 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A prototype setup for a low-noise, high-resolution, multi-Gigahertz-span optical heterodyne spectrum analyzer is presented. The frequencies of the unknown optical spectrum are converted to zero intermediate frequency by heterodyning with the output from a tunable single-mode local oscillator laser in an optical mixer. The low-frequency beats are rectified, and their strength is recorded while the spectrum is scanned by tuning the local oscillator. Low-noise heterodyning requires double balance (or at least single balance) of the optical mixer. Further optimization of the noise performance can be achieved by adjusting the power levels of the light beams. Successful operation of the analyzer has been demonstrated by recording the output spectrum of a mode-locked dye laser. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1145342
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Distribution of pyruvote kinase isozymes among rat organs
    Amsterdam : Elsevier
    Archives of Biochemistry and Biophysics 157 (1973), S. 509-513 
    Details
    ISSN: 0003-9861
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0003-9861(73)90669-3
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    An elastically bent silicon crystal as a monochromator for thermal neutrons (1990)
    Copenhagen : International Union of Crystallography (IUCr)
    Applied crystallography online 23 (1990), S. 105-110 
    Details
    ISSN: 1600-5767
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: Some experimental results are presented for an elastically bent perfect silicon crystal in a strongly asymmetric diffraction geometry as a neutron monochromator. The use of this unconventional geometry of the monochromator appears to be suitable for a wide (several centimetres) incident polychromatic beam, when, thanks to the spatial condensation of the diffracted neutrons (Fankuchen effect), a high monochromatic beam density may be obtained. Furthermore, when using focusing in real and in momentum space by adjusting an optimum bending radius, the intensity diffracted by a sample may be comparable even with the best mosaic monochromators such as highly oriented pyrolytic graphite (PG). A comparison is demonstrated on the rocking curves of a strongly mosaic Ni–Al(020) crystal obtained with the monochromatic beam from bent Si(111), Si(400) and from PG(002), Cu(220) mosaic monochromators.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0021889889012975
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Aussprache (1964)
    Springer
    Langenbeck's archives of surgery 306 (1964), S. 108-113 
    Details
    ISSN: 1435-2451
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01439430
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    Paper (German National Licenses)
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  • 10
    Electronic Resource
    Electronic Resource
    Über die Betäubung bei ausgedehnten Eingriffen im Bereiche der Nebenhöhlen und des Nasopharynx (1951)
    Springer
    European archives of oto-rhino-laryngology and head & neck 160 (1951), S. 93-95 
    Details
    ISSN: 1434-4726
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02105889
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    Paper (German National Licenses)
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