NBS Technical NoteU.S. Government Printing Office, 1981 |
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... Pulse Duration and Shape .. Energy Density and Uniformity . Summary and Conclusions ...... References Appendix A Appendix B Appendix C Appendix D Appendix E Appendix F CONTENTS PAGE iv 2 7 12 21 21 25 26 27 30 33 36 39 41 THE USE OF ...
... Pulse Duration and Shape .. Energy Density and Uniformity . Summary and Conclusions ...... References Appendix A Appendix B Appendix C Appendix D Appendix E Appendix F CONTENTS PAGE iv 2 7 12 21 21 25 26 27 30 33 36 39 41 THE USE OF ...
Page 1
... pulse at the wavelength of 1064 nm . The pulse is presumed to have originated from the dif- fuse scattering of a laser beam off a distant object . We seek to determine the feasibility of testing the receiver of such a pulse with the ...
... pulse at the wavelength of 1064 nm . The pulse is presumed to have originated from the dif- fuse scattering of a laser beam off a distant object . We seek to determine the feasibility of testing the receiver of such a pulse with the ...
Page 2
... Pulse duration and shape . 4. Energy density over aperture . a . Uniformity over aperture . b . Pulse - to - pulse energy . Apparatus and Procedures Before going on to discuss the entries in Table 1 in detail , we must describe the ...
... Pulse duration and shape . 4. Energy density over aperture . a . Uniformity over aperture . b . Pulse - to - pulse energy . Apparatus and Procedures Before going on to discuss the entries in Table 1 in detail , we must describe the ...
Page 3
Figure 1 . Pulse Generator 270 Ω 20 - dB 35 - ns Atten- Delay uator 30 - 40 Ω Sampling Oscilloscope 1060 nm IN 4153 To APD X out Yout To XY Recorder Circuit for driving 1060 - nm LED and monitoring direct and reflected current waveforms ...
Figure 1 . Pulse Generator 270 Ω 20 - dB 35 - ns Atten- Delay uator 30 - 40 Ω Sampling Oscilloscope 1060 nm IN 4153 To APD X out Yout To XY Recorder Circuit for driving 1060 - nm LED and monitoring direct and reflected current waveforms ...
Page 5
Optical 25 ns Electrical Diode is a gure 2b . Optical pulse emitted when LED is driven by current waveform shown . GAL 100 , with a 43-2 series resistor and approximately 1 - A peak current . + 300 V 100 kn 0.01 μF 1060 nm C30817 5.
Optical 25 ns Electrical Diode is a gure 2b . Optical pulse emitted when LED is driven by current waveform shown . GAL 100 , with a 43-2 series resistor and approximately 1 - A peak current . + 300 V 100 kn 0.01 μF 1060 nm C30817 5.
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antenna attenuation Backscatter response backscatter signal backscatter signature beam beam divergence Bureau of Standards C3Hg calculated calibration capture fractions components coupling loss dBV/m densimeter DEPARTMENT OF COMMERCE detector diameter diode dipole electric field electronic engineering equation experimental far-field fault signature Federal field distortion due field intensity field strength Figure frequency function graded-index fiber Haynes Hiza IEEE Trans index fibers input instrument isotropic Laboratory laser laser diode leaky modes lens logarithmic Magnetic field distortion measurement metering unit methane microbending MIXTURE mode filter mole fraction N₂ National Bureau near-field numerical aperture optical fiber OTDR output parameters peak percent perfectly conducting cylinder potentiometer pulse radiation angle radiation monitor range Rayleigh scattering Report Resistor scan Science sensor step-index fiber switch Table Tech technical Technology temperature transverse electromagnetic cell U.S. DEPARTMENT voltage waveguide wavelength ZERO
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Page 99 - NONPERIODICALS Monographs — Major contributions to the technical literature on various subjects related to the Bureau's scientific and technical activities. Handbooks — Recommended codes of engineering and industrial practice (including safety codes) developed in cooperation with interested industries, professional organizations, and regulatory bodies.
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