NASA Technical Reports Server (NTRS) 19930019540: The Optical Properties Monitor (OPM): a Multipurpose Optical Laboratory in Space PDF
Preview NASA Technical Reports Server (NTRS) 19930019540: The Optical Properties Monitor (OPM): a Multipurpose Optical Laboratory in Space
Arrek STIG Flight Experiments OPM Technical Interchange Meeting AZ TECHNOLOGY The Optical Properties Monitor (OPM) A Multipurpose Optical Laborato '. R. s £') AZ Technology, Inc. ~ C> 3322 Memorial Parkway SW, Suite 93 "' untsville, AL 3580 ,.. (205) 880-7481 :2 o ,.. ::!! - Octo ~ ( ~ o M n'l" ~ ~ Cf 0 ~ , ~ .o.. ... o.'C ,.lU ~ u. <>l '" CD ...... , ...... _.. .... "'s Technic Technical Backgro • The natural and induced space environment can damage spacecraft and instrument '. materials • Space environmental effects and damage mechanisms are not well understood • The space environment cannot be fully simulated in the laborato • There have been only limited in-space optical measurements 'Opertles 0 • Analytical lifetime prediction models are limite • v ...... "",.,~ ..& &~&_ data ~ '-, STIG ents o • eetlng Technology Nee .. • Longer duration, and more complex missions .. such pace Station Freedom .. reauir better materials and imoroved materialS cterization • A better understanding of space environmental dam ore staOle materials and coatings - More accurate ground simulation testing - Lifetime prediction models for materials i spac • Improved materials and better material performanc I lead to mar cost effective, lower weight, higher performance, malnM4&&U4V systems .. IJ~"'''' S S o .L.L.L.L_.L.L. . Technical eeting • Time dependent flight data is required to understand the non-linear nature of materials degradation. • Some effects of the space environment on materials are reversible when returned to th terrestrial environment. • The space environment cannot be fully simulated in the laboratory. • There is significant disagreement between flight and ratorv SImulation testing 0 materials. • Flight tests of new and improved materials are required before full acceptance of th materials by space hardware designers. "', Arrek STIG Flight Experiments OP Technical Interchange Meeting 10.2 TECHNOLOGY OP es .. To study the effects of the space environment, both natural and induced .. on optical, thermal control, solar array and other materials. • Detennine the effects and damage mechanisms of the space environment on materials. • Provide data to validate lifetime prediction models. • Perform flight testing of critical spacecraft and instrument materials • Provide data to validate space simulation test facilities and techniques. • Develop a reusable multifunctional flight instrument for optical studie..,. Monte: ,. • -~ Arre STIG Flight Expe4:444_.U' AZ TECHNOLOGY TechrUcalLntercnange OPM g OPM Experiment Concept • The OPM is a multifunction in-flight laboratory for in-situ optical studies of materials. • iMnsatnruym inednetsp eton daedndtr easnsd t hreel aetxepde srtiumdeinest ocbanje cbtei vceasr.r ied out on EURECA with the OPM • SCtTocoe iNsmetn AmStiSasitmAtt.e ,pe lE e(SSs ASwA,i lDCl o)b Dew ,si elall nebdce t tefhdoe r tmaoe eardod sdaprneadsc sec htchaoeimr memda ubtenyri ittayhl.es AaOn PdSM aims sPpuIle eas nSodef l MtehceSti FogCnre AaPtrdeosvjtie sicon' rtyer est Monterey ....... , Atre STIG Flight Experiments OP Technical Interchange MeetIng AZ TECHNOLOGY Experiment Summary Selected materials will be exposed to the low earth orbit space and EURECA environment and their effects measured through in-situ measurements and post-flight analyses. '. • Optical and thermal properties are measured by in-situ measurement subsystems - Spectral total hemispherical reflectance - Total Integrated Scatter (TIS) - Vacuum Ultraviolet (VUV) reflectance/transmittance - Total emittance • Environmental monitors measure selected components of the exposure environment - Solar/earth irradiance - Molecular contamination - Atomic oxygen • Detailed optical and thennal properties, surface degradation .. and contamination are determined by post-flight analysis. • Experiment results will be disseminated to the aerospace cormnunity through IN-STEP conferences, technical conferences and publications .. soace materials handbooks, and materials databases. Interey ....... " STIG Flight Experiments OP ek Technical Interchange Meeting AZ TECHNOLOGY OPM Instrument and Support Structure OPU INSlRUU(Nl R.aDn\)UETERS SAMPLE CAAOUSEl 90J nvn J5.6 in. (4) UOUNTINC fOOT Monte ..
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