MIDAS Advanced Remote Sensing Payload

Transcription

1 MIDS dvanced Remote Sensing Payload Multiple Instrument Distributed perture Sensor Multi-Functional Payload 9 Collectors Combiner Broadband μm Imager Phased to rray Diffraction Limit Concurrent Multispectral Individual Wide rea Surveys 1nm Hyperspectral FTIS Imager ctive Remote Sensing LIDR, Vibrometry, Optical SR 3D LDR & Polarimetric Imager Laser ctive Spectroscopies Multiple Phased Lasers Optical Com Transceiver Launch Low Risk Development Locks Pre-integrated Compact Payload >60dB Broadband Vibration Isolation utonomous E-O, WFS&C, Pointing Scalable Payload 0.5 to 5m rray Dia 6 Tailored Instruments from Partners LM Heritage, Testbeds, Readiness Multiple Mission Uses (NS, others) 6 Instruments Optical Bench MIDS dvanced 1m Remote 3m Sensing >5m OPG May 2006 joe.pitman@lmco.com Chart 1 DFP Hexapod S/C Interface Compact, Scalable Stowed Height rray Diameter

2 MIDS dvanced Remote Sensing OPG May 2006 Chart 2 Distributed perture Imaging Heritage Zarifis et. al US Patent 5,905,591 Kendrick et. al (submitted) Multi-p Testbed 65 cm Synthetic perture 150 micro-rad phased FOV Coherent phase diversity active control Resolves to diffraction limit of array s synthetic aperture STR-9 Testbed 61 cm Synthetic perture 0.08 waves WFE at 635 nm 1 milli-radian phased FOV Coherent phase diversity active control Resolves to diffraction limit of array s synthetic aperture 1 p 3 p 6 p 9 p Unresolved Point Source MTF p PSF MTF Diffraction Limited Imaging

3 MIDS Payload MIDS Imager Payload is optics, relays and SI's integrated by optical bench Low, medium & high resolution imaging Coarse to fine resolution spectroscopy Multiple complementary SI's Steerable collectors (option) utonomous WFS&C focusing directly from extended scene information Low inertia (particularly V2 & V3) Compact height array diameter Mass balanced CG at DFP mounts U.S. Export Controlled Information V3 V1 V2 DFP Pointing Stabilization DFP at I/F of Hexapod to Optical Bench Rapid precision pointing of MT >60 db broadband isolation of MT Rapid fine pointing and scanning Hexapod Scan Platform ccurate positioning of coarse scan Slowly scans across FOR ccurately positions dwells Lockheed MIDS Martin dvanced Proprietary Remote Information Sensing Spacecraft Interface Simple, clean interfaces OPG May 2006 Chart 3

4 MIDS dvanced Remote Sensing OPG May 2006 Chart 4 Electro-Optical Control Design Four-Mirror Cassegrain Gregorian Collector ctive Electro-Optical Combiner Jewel Multispectral Filter Rack ssembly Smith et al, 2005

5 MIDS dvanced Remote Sensing OPG May 2006 Chart 5 Modular, Flexible rchitecture MIDS Science Payload Element MIDS to S/C Interfaces S/C PCS TCS EPS Mechanical Subsys MT Optical Subsys SI to MT Interfaces Laser Subsys C&DH SI #1 SI #3 SI #5 SI #2 SI #4 SI #6 Collectors Relays Combiner Common to Many Difference Missions Tailorable to Each Mission Stubbs et al, 2004

6 Mission-Specific Instrument Tailoring Science Instrument (1 of 6) MIDS dvanced Remote Sensing Imaging SI's UV, VIS/NIR, SWIR, MIR Spectrometer SI's UV/VIS, NIR, SWIR, MIR Other SI's Polarimetric sensors ctive imaging sensors Lasercom Xmtr/Rcvr modules Stubbs et al, 2004 OPG May 2006 Chart 6

7 MIDS dvanced Remote Sensing OPG May 2006 Chart 7 MIDS Passive Imaging Modes IFOV FOR C B C B MT FP a 3a c c a 3a Capabilities Phased Imaging 0.10 IFOV ( x ) ±15 FOR Map (B x B) High Resolution (2cm GSD at 100km) Sequential SI Operations Concurrent Imaging 0.10 IFOV ( x ) ±15 FOR Map (B x B) Medium Resolution (6cm GSD at 100km) Concurrent SI Operations Mosaic 0.30 IFOV x ) ±15 FOR Map (B x B) Low Resolution (8cm GSD at 100km) Sequential / Concurrent SI Operations MIDS_006D Pitman et al 2004

8 Making the Flagship Case for Europa SRU s Cassini Optical Remote Sensing Pallet 183. kg, 155. W VIMS-IR VIMS-Vis UVIS ISS-NC ISS-WC CIRS-OM Common boresigted SI s Body mounted w/o articulation Precise alignment, RT to cryo 6.8 m 4 m Jaffe & Herrell 1996 MIDS dvanced Remote Sensing MIDS 1m (to Cassini S/C scale) ~200 kg ~150 W ~0.8 m 3 Modular, preintegrated payload Isolated from S/C and articulated EO adjustable alignment & control High Capability Instruments Like MIDS Could Enhance Case for Flagship Mission Long Duration Remote Sensing of Jovian System (from outside Europa s high rad zone) ll Jupiter icy moons: global 50 m/px multispectral imaging & 1 nm hyperspectral FTIS Jupiter (200m/px) and Io (75 m/px) multispectral & 1nm hyperspectral FTIS Detailed Remote Sensing of Europa over 30 FOR from 100 km Science Orbit Regional wide-area surveys: 15 cm/px imaging, multispectral, active sensing Local 9-channel concurrent sensing: 10 cm/px imaging, multispectral, active sensing Local phased-array sensing: 3 cm/px imaging & 1nm hyperspectral FTIS, active sensing OPG May 2006 joe.pitman@lmco.com Chart 8

9 Notional GEO-E3OP Mission Concept Callisto E3OP (L+1yr) GEO Mission Phases Ganymede Exploration Orbiter (GEO) Large capable remote sensing S/C Launches first with flyby of Jupiter & Callisto Spiral ~3 months into Ganymede Likely equatorial orbit for 5-10 years Remotely sense entire Jovian system Sense and relay for E3OP which arrives ~1 yr later Ganymede GEO Europan Extreme Environment Orbiter with Probes (E3OP) Launches second with flybys of Jupiter, Callisto, Ganymede Spiral into Europa (~3 months) 30 days in 100km science orbit, degrading thereafter Jupiter Local site remote sensing of Europa, guided by GEO results Insitu sensing of Europa by ~3 small probes to surface Io Europa E3OP MIDS dvanced Remote Sensing SPOL-JTP-006 OPG May 2006 Chart 9

10 MIDS dvanced Remote Sensing OPG May 2006 Chart 10 MIDS Imaging from Ganymede Orbiter 1 10 Europa m visible m SWIR Resolution [GSD] (m) Io m visible m SWIR Callisto m visible m SWIR MIDS 5m - Visible MIDS 3m - Visible MIDS 1m - Visible 35mm Camera - Visible Jupiter Jupiter m visible 200m-1km SWIR MIDS 5m - SWIR MIDS 3m - SWIR MIDS 1m - SWIR 35mm Camera - SWIR 100 1,000 10, ,000 1,000,000 Ganymede Orbiter to... Europa Io Callisto Range (Rj)