NDLI: The 1.06 optical receiver. [avalanche photodiodes for laser range finders

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The 1.06 optical receiver. [avalanche photodiodes for laser range finders

Content Provider	NASA Technical Reports Server (NTRS)
Author	Scholl, F. W. Law, H. D. Harris Jr., J. S. Tomasetta, L. R. Nakano, K.
Copyright Year	1978
Description	High performance 1.06 micron m avalanche photodetectors (APDs), fabricated in the GaAlSb system, have high quantum efficiency (90 percent), high speed (risetime less than 60 ps) and low leakage currents (less than 50 na). The dark current represents more than an order of magnitude reduction compared to previously reported results. The high speed avalanche gain of these devices is between 20 and 50. The area uniformity is better than + or - 10 percent. GaAlAs APDs at 0.53 micron m have even faster speed, lower dark currents, and high speed gains of 100 to 200. Optical rangefinders based on measured APD performance parameters have far superior performance when compared to even ideal photomultiplier tubes in either a one color or two color rangefinder system. For a one color system, f factor of two lower time jitter can be achieved with identical transmitted power. The superiority of the APD based two color receiver is significant and exists in the entire range of desired time jitters (less than 100 ps) and received power levels.
File Size	27585083
Page Count	84
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19780024915
Archival Resource Key	ark:/13960/t9v16v15v
Language	English
Publisher Date	1978-02-13
Access Restriction	Open
Subject Keyword	Optics Aluminum Gallium Arsenides Gallium Antimonides Band Structure of Solids Epitaxy Avalanche Diodes Liquid Phases Aluminum Antimonides Receivers Photodiodes Laser Range Finders Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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