NBS Technical NoteU.S. Government Printing Office, 1981 |
From inside the book
Results 6-10 of 43
Page 1
... wavelength of 1064 nm . The pulse is presumed to have originated from the dif- fuse scattering of a laser beam off a ... Wavelength . a . Wavelength of maximum power . b . i . Detector responsivity vs. wavelength . Linewidth . i . As it ...
... wavelength of 1064 nm . The pulse is presumed to have originated from the dif- fuse scattering of a laser beam off a ... Wavelength . a . Wavelength of maximum power . b . i . Detector responsivity vs. wavelength . Linewidth . i . As it ...
Page 2
... wavelength was nominally 1060 nm . We excited the LEDs with a signal generator that could provide electrical pulses up to 2 A and as short as 20 ns . The circuit is shown in Fig . 1. The diode pro- vides protection for the LED in case ...
... wavelength was nominally 1060 nm . We excited the LEDs with a signal generator that could provide electrical pulses up to 2 A and as short as 20 ns . The circuit is shown in Fig . 1. The diode pro- vides protection for the LED in case ...
Page 7
... Wavelength The YAG laser emits radiation at the wavelength of 1064 nm ; its linewidth is of the order of 0.5 nm . The LEDs , on the other hand , display a peak wave- length in the neighborhood of 1060 nm and a linewidth of about 50 nm ...
... Wavelength The YAG laser emits radiation at the wavelength of 1064 nm ; its linewidth is of the order of 0.5 nm . The LEDs , on the other hand , display a peak wave- length in the neighborhood of 1060 nm and a linewidth of about 50 nm ...
Page 8
... wavelength drive of the monochromator with the horizontal amplifier of the recorder . Figure 4 shows some spectra obtained with one of the LEDs . In general , the wavelength of maximum radiance is not 1064 nm , but is more nearly 1050 ...
... wavelength drive of the monochromator with the horizontal amplifier of the recorder . Figure 4 shows some spectra obtained with one of the LEDs . In general , the wavelength of maximum radiance is not 1064 nm , but is more nearly 1050 ...
Page 11
... Wavelength of " Typical " LED vs. Temperature * Apart from Temperature ( K ) 120 140 160 180 300 Wavelength ( nm ) 1004 1009.5 1014 1019 1050 * These data and certain others courtesy of Rudy Garza , Plessey Optoelectronics and Microwave ...
... Wavelength of " Typical " LED vs. Temperature * Apart from Temperature ( K ) 120 140 160 180 300 Wavelength ( nm ) 1004 1009.5 1014 1019 1050 * These data and certain others courtesy of Rudy Garza , Plessey Optoelectronics and Microwave ...
Other editions - View all
Common terms and phrases
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
Popular passages
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.
Page 99 - DC 20056. Building Science Series — Disseminates technical information developed at the Bureau on building materials, components, systems, and whole structures. The series presents research results, test...
Page 45 - A special series of interim or final reports on work performed by NBS for outside sponsors (both government and non-government). In general, initial distribution is handled by the sponsor; public distribution is by the National Technical Information Services (Springfield, Va.
Page 48 - ... public safety. The Bureau's technical work is performed by the National Measurement Laboratory, the National Engineering Laboratory, and the Institute for Computer Sciences and Technology. THE...
Page 45 - Mathematics Series — Mathematical tables, manuals, and studies of special interest to physicists, engineers, chemists, biologists, mathematicians, computer programmers, and others engaged in scientific and technical work. National Standard Reference Data Series — Provides quantitative data on the physical and chemical properties of materials, compiled from the world's literature and critically evaluated.