Enabling Technologies for Next Generation Ultraviolet Astrophysics, Planetary, and Heliosphysics Missions




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НазваниеEnabling Technologies for Next Generation Ultraviolet Astrophysics, Planetary, and Heliosphysics Missions
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Discovery Enabling UV Technologies 5/5/13






Enabling Technologies for Next Generation Ultraviolet Astrophysics, Planetary, and Heliosphysics Missions


Study Start Date:

Study End Date:

Final Report Submission Date:


Team Leads:

Christopher Martin

California Institute of Technology

cmartin@srl.caltech.edu


Shouleh Nikzad

Jet Propulsion Laboratory

shouleh.nikzad@jpl.nasa.gov


David Schiminovich

Columbia University

ds@astro.columbia.edu


Table of Contents


[1] Executive Summary 3

[2] What happened at the Workshops? 5

[3] Science Opportunities Enabled by New UV Technologies 6

3.1Mapping the flow of Baryons from the IGM to CGM to and from Galaxies 9

3.2Following the cycles of star formation, chemical enrichment, feedback in and out of galaxies 11

3.3Understanding the formation and evolution of stellar and protoplanetary and planetary systems; detection and characterization of exoplanets, and precision physical studies enabled by observations within our solar system. 12

3.4Opening discovery space 13

[4] Discovery-Enabling New Detector Technologies 15

1.1Introduction 15

4.1Background: UV Detector Technology 17

4.2Vacuum Tube Photoelectric Detectors 17

4.2.1Generation-2 MCP Detectors: Borosilicate/ALD/GaN MCPs 18

4.2.2Advanced Electron Bombardment Arrays 20

4.2.3Cs free GaN photocathode 20

4.3Solid-State Detectors 21

4.3.1Solid-State Wide Bandgap Detectors 21

4.3.2UV Single Photon Counting Silicon Detectors 23

4.4Cryogenic Detectors 28

4.5Detectors for UV/Optical/NIR Observations 29

4.5.1Broadband Detectors using Silicon 29

4.5.2Broadband Detectors using substrate removed Mercury Cadmium Telluride 29

4.6Summary and Recommendations 29

[5] Discovery-Enabling New Optical Component Technologies 33

5.1Broadband coatings: 34

5.2Bandpass/blocking filters 35

5.3High performance diffraction gratings 35

[6] New Collaborations and Concepts Pursued 36

[7] Conclusions and Recommendations 37

7.1Potential Impacts 37

7.2Recommendations/Conclusions 37

7.3Study Evaluation 39

7.4Concluding remarks 39

[8] Appendices 41

8.1Appendix I: References 41

[Hofstetter03] D. Hofstetter, S.-S. Schad, H. Wu, W.J. Schaff, and L.F. Eastman ‘GaN/AlN-based quantum well Infrared photodetector for 1.55 mm’, Appl. Phys. Lett., 83(3), pp. 572–574, 2003. 41

[Hofstetter03] D. Hofstetter, R. Theron, E. Baumann, F.R. Giorgetta, S. Golka, G. Strasser, F. Guillot and E. Monroy, “Monolithically integrated AlGaN/GaN/ AlN-based solar-blind ultraviolet and near-infrared detectors”, Electronics Letters, 44(16), July 2008. 41

8.2Appendix II: List of Participants 42

8.3Appendix III: First Workshop Agenda 44

8.4Appendix IV: Professor Edoardo Charbon, DVS 46

8.5Appendix V: JPL-wide Seminar by Prof. Charbon. 47

8.6Appendix III: Public Lecture by Professor Eric Fossum 49

8.7Appendix IV: Narrative on the promising technologies 51

[9] D. Hofstetter, R. Theron, E. Baumann, F.R. Giorgetta, S. Golka, G. Strasser, F. Guillot and E. Monroy, “Monolithically integrated AlGaN/GaN/ AlN-based solar-blind ultraviolet and near-infrared detectors”, Electronics Letters, 44(16), July 2008. 52

[10] D. Hofstetter, S.-S. Schad, H. Wu, W.J. Schaff, and L.F. Eastman ‘GaN/AlN-based quantum well infrared photodetector for 1.55 mm’, Appl. Phys. Lett., 83(3), pp. 572–574, 2003. 52



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