TPF-C Technology Plan - Exoplanet Exploration Program - NASA

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Chapter 7 7 Plan for Technology Development 7.1 TPF-C Technology Roadmap A very preliminary TPF-C technology roadmap based on our early assessment of the technical risks for TPF-C is shown in Figure 7-1. It shows that all the identified technical risks will be retired by the end of Phase B. A number of the testbed facilities used to retire technical risk will be utilized in Phases C/D and potentially even E to test flight units and support observatory level I&T. As expected, the plans for the pre-Phase A activities are developed to higher fidelity than those for Phase A and B. Below are the pre-Phase A top level development activities, which continue the focus on the detection and characterization objectives described earlier in this document. Adequate progress against the top level technology milestones related to the detection and characterization objectives described in this document is a requirement for entering Phase A. Following is a brief description of the top level technology activities in pre-Phase A, Phase A and Phase B. Top-Level Pre-Phase A Technology Development Activities: It will be necessary to demonstrate starlight suppression on the High Contrast Imaging Testbed within an order of magnitude of the flight performance requirement that, in combination with an analytical model that is validated against the testbed, shows flight performance is feasible by end of pre-Phase A. The pre-Phase A testbeds include the currently functional breadboard instrumentation in the HCIT, Apodizing Masks and Stops, Dilatometer, and Scatterometer, all of which will continue to be used into Phase A. The Technology Demonstration Mirror (TDM) is currently in fabrication and testing and will be initiated before the end of pre-Phase A. Definition for a number of Phase A testbeds, including the Instrument Technology and Planet Detection Simulator, will begin as well. By the end of pre-Phase A, a number of activities will be completed in addition to the technology risk identification and mitigation plan as described in this document. It will also be necessary to have a sufficiently complete and mature design by end of pre-Phase A to show that an exo-planet detection and characterization mission is feasible. Primary mirror procurement strategy must be sufficiently mature and complete by end of pre-Phase A to support the early procurement required to reach launch readiness in 2016. 102
Plan for Technology Development Figure 7-1. TPF-C Technology Development Roadmap (continued on next page) 103
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JPL Publication 05-8 Technology Pla
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TECHNOLOGY PLAN TERRESTRIAL PLANET
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Recent Highlights Technical progres
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Figure i-4. Deformable mirror deliv
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Table of Contents Approvals........
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7.5.2 Precision Hexapod............
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Chapter 1 Figure 1-1. Artist's impr
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Chapter 1 interferometry, continues
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Chapter 1 Back end coronagraph opti
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Chapter 1 Surrounding the whole tel
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Chapter 1 Pol. BS fold/steering Mic
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Chapter 1 1.6.5 Sunshield The teles
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Chapter 1 expected architecture dow
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Chapter 1 Table 1-3. TPF-C Technolo
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Chapter 1 3B: Demonstrate, using th
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Chapter 2 2 Error Budgets 2.1 Contr
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Chapter 2 Error Budget Validation G
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Chapter 2 Further, it is shown that
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Chapter 2 Table 2-1. Requirement on
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Chapter 3 3 Optics and Starlight Su
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Chapter 3 are in progress with cont
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Chapter 3 Figure 3-5. Coronagraph s
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Chapter 3 (though not light-weight
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Chapter 3 Table 3-3. ITT Metrology
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Chapter 3 observations. The time it
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Chapter 3 vacuum-compatible, low-po
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Chapter 3 blank size. Westerhoff et
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Chapter 3 configurations, performan
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Chapter 3 Figure 3-10: Plots showin
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Chapter 3 The wavefront quality of
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Chapter 3 Figure 3-13. Optical layo
Page 64 and 65: Chapter 3 algorithms have limitatio
Page 66 and 67: Chapter 3 simulated star source is
Page 68 and 69: Chapter 4 Figure 4-1. Overview of t
Page 70 and 71: Chapter 4 enclosures, and stable la
Page 72 and 73: Chapter 4 facilities from which dat
Page 74 and 75: Chapter 4 Figure 4-5. Microslip Tri
Page 76 and 77: Chapter 4 Figure 4-7. Calibration o
Page 78 and 79: Chapter 4 Figure 4-8. Comparison of
Page 80 and 81: Chapter 4 4.2 Subsystem and System
Page 82 and 83: Chapter 4 Figure 4-11. Schematic of
Page 84 and 85: Chapter 4 Figure 4-12. Fine guiding
Page 86 and 87: Chapter 4 (5) The Fine Steering Mir
Page 88 and 89: Chapter 4 Third, precise thermal co
Page 90 and 91: Chapter 4 giving confidence that fl
Page 92 and 93: Chapter 4 surface polish is nonethe
Page 94 and 95: Chapter 5 TPF-C is planning a suite
Page 96 and 97: Chapter 5 engineering judgment (i.e
Page 98 and 99: Chapter 5 categories, in reality ea
Page 100 and 101: Chapter 5 Table 5-3. Validation of
Page 102 and 103: Chapter 5 5.6.1 Modeling Methodolog
Page 104 and 105: Chapter 5 strength of computer simu
Page 106 and 107: Chapter 6 6 Instrument Technology a
Page 108 and 109: Chapter 6 Figure 6-1. Detailed conc
Page 110 and 111: Chapter 6 The first method is self-
Page 112 and 113: Chapter 6 super computers and is us
Page 116 and 117: Chapter 7 Figure 7-1. TPF-C Technol
Page 118 and 119: Chapter 7 Improvements to the DM ov
Page 120 and 121: Chapter 7 7.3 Error Budgets 7.3.1 D
Page 122 and 123: Chapter 7 7.4 Optics and Starlight
Page 124 and 125: Chapter 7 7.4.2 Apodizing Masks and
Page 126 and 127: Chapter 7 7.4.4 Wavefront Sensing a
Page 128 and 129: Chapter 7 7.4.6 Transmissive Optics
Page 130 and 131: Chapter 7 7.4.8 Scatterometer Scope
Page 132 and 133: Chapter 7 7.5 Structural, Thermal,
Page 134 and 135: Chapter 7 7.5.3 Precision Structura
Page 136 and 137: Chapter 7 model of TPF-C and should
Page 138 and 139: Chapter 7 7.5.6 Secondary Mirror To
Page 140 and 141: Chapter 7 7.5.8 Sub-scale EM Sunshi
Page 142 and 143: Chapter 7 7.6 Integrated Modeling a
Page 144 and 145: Chapter 7 7.7.3 Advanced Concepts:
Page 146 and 147: Chapter 8 134
Page 148 and 149: Appendices Appendix B: TPF-C Detail
Page 150 and 151: Appendices Appendix D: TPF-C Techno
Page 152 and 153: Appendices Appendix F: Acronym List
Page 154: Appendices RWA SAO SBIR SIM SM SMFA
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TPF-C Technology Plan - Exoplanet Exploration Program - NASA

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