文档介绍：(c)2001 American Institute of Aeronautics & Astronautics or Published with Permission of Author(s) and/or Author(s)' anization.
At AM A01-31413
AIAA 2001-2958
FIBER OPTIC SENSORS STUDFOE RTH F YO
SPACECRAFT-THRUSTER INTERACTIONS:
ION SPUTTERING
Andre Ketsdeve. wD r
Air Force Research Laboratory
Propulsion Directorate
Edwards AFB, CA 93524
Bria Eccle. nM s
University of Southern California
Department of Aerospace and Mechanical Engineering
Los Angeles, CA 90089
Mohamed Abid, herwood Colleed ,an n Fitzpatrick
Rice Systems, Inc.
Irvine 9261A C , 4
35th AIAA Thermophysics Conference
June 11-14, 2001 / Anaheim, CA
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(c)2001 American Institute of Aeronautics & Astronautics or Published with Permission of Author(s) and/or Author(s)' anization.
Fiber Optic Sensors for the Study of Spacecraft-Thruster
Interactions: Ion Sputtering
Andre . KetsdeverwD 1"
Air Force Research Laboratory
Propulsion Directorate
Edwards AFB, CA 93524
Bria . EcclesnM *
Universit Southerf yo n California
Departmen Aerospacf o t Mechanicad ean l Engineering
Los Angeles, CA 90089-1191
Mohamed Abid*, herwood**, and Colleen Fitzpatrick§
Rice Systems, Inc.
Irvine,CA 92614
ABSTRACT
Fiber optic contamination sensors offer increased flexibility over single point data obtaine y quartb d z
crystal microbalances for the investigation of spacecraft contamination events. A proof-of-principle
demonstratio e fibeth f r o nopti c sensor's sensitivit materiao yt l sputtering from energetic thruster plume
ion s giveni s r thiFo s. case claddine th ,fibee th etches i rf aqueoun go a n di s HF solutio simulato nt e eth
sputtering from energetic ions. The intensity of a 1304 nm diode laser is measured as a function of time or