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  • 1
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    Polarizing properties of pulverized materials with special reference to the lunar surface (1971)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Pulverized volcanogenic products and chemicals polarizing properties determination, applying to lunar surface layer
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: ; TROPHYSICAL JOURNAL
    Format: text
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  • 2
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    Calibration of small gauge thermocouples. (1972)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: A technique has been developed to dynamically calibrate fine wire thermocouples of 0.025 mm diam and smaller to 1625 K in less than 10 sec. In this method, the varying physical parameters present under typical dynamic heating conditions are simulated, and therefore, wire deterioration can be related to time, temperature, pressure, and atmosphere. A description of the equipment and procedures is given along with the preliminary results that correlate well with thermoelectric theory.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Review of Scientific Instruments; 43; Jan. 197
    Format: text
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  • 3
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    Narrowband optical heterodyne detection. (1967)
    In:  Other Sources
    Details
    Publication Date: 2011-08-11
    Description: Narrowband optical heterodyne detection, describing InAs photodiode arrangement
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: APPLIED OPTICS
    Format: text
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  • 4
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    Refractive-index profile and physical process determination in thick gratings in electrooptic crystals (1976)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: A method for determining the refractive index profile of thick phase gratings in linear electrooptic crystals is presented. This method also determines the effective photovoltaic electric field and the relative contributions of diffusion and drift during hologram recording. The method requires only a knowledge of the modulation ratio during hologram recording and the fundamental and the higher-order diffraction efficiencies of the grating. As an illustration of the method, the refractive index profile, the effective photovoltaic field, and the relative contributions of diffusion and drift are determined from experimental measurements for a lithium niobate holographic grating.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Applied Optics; 15; Aug. 197
    Format: text
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  • 5
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    Modular optical test instrument for 1700-11,000 angstrom units. (1965)
    In:  Other Sources
    Details
    Publication Date: 2019-05-24
    Description: Optical measuring instrument consisting of eight modular units, specimen chamber and carriage
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Format: text
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  • 6
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    Modulated infrared radiant source (1981)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: A modulated, infrared radiant energy source was developed to calibrate an airborne nadir-viewing pressure modulated radiometer to be used to detect from Earth orbit trace gases in the troposphere. The technique used an 8 cm long, 0.005 cm diameter platinum-iridium wire as an isothermal, thin line radiant energy source maintained at 1200 K. A + or - 20 K signal, oscillating at controllable frequencies from dc to 20 Hz, was superimposed on it. This periodic variation of the line source energy was used to verify the pressure modulated radiometer's capability to distinguish between the signal variations caused by the Earth's background surface and the signal from the atmospheric gases of interest.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA-TM-83118 , L-14365
    Format: application/pdf
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  • 7
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    Calibration of large area scintillation counters on cosmic rays (1975)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: Construction and calibration are reported for a 6-sq m scintillation counter consisting of two pieces of clear Lucite optically joined along a common edge, sixteen squares of plastic scintillator optically coupled on top of the Lucite, and eight photomultiplier tubes for light collection. Calibration of this counter using an anticoincidence counter to exclude multiple particle events is described. Theoretical calculations for purely electromagnetic extensive air showers indicate that this counter should detect an average of 2.5 particles per event, while the calibration data yield about 1.8 particles per event. It is shown that the anticoincidence-counter calibration method must be used for counters with areas of more than a few square meters if calibration on the response from a single particle of an extensive air shower is desired.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Review of Scientific Instruments; 46; July 197
    Format: text
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  • 8
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    Optical bonding agents for severe environments (1970)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: Optical bonding agent for calcite prism on Pioneer F/G mission, emphasizing optical and mechanical properties resistance to Jupiter high energy particles
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: ; UGREVUE(
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  • 9
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    An automatic polarimeter for space applications (1967)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Automatic polarimeter for application to lunar and planetary missions
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: COMMUN. OF THE LUNAR AND PLANETARY LAB., COMMUN. NOS. 105-111, VOL. 7, PT. 1 1967; P 25-31
    Format: application/pdf
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  • 10
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    An automatic polarimeter for space applications. (1967)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: Automatic photopolarimeter as pilot model for scans of planetary disks on fly-by missions
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: APPLIED OPTICS
    Format: text
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