document title / titre du document TRP W ORK PLAN ... - emits - ESA

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TRP Work Plan 2005-2007 Description of Activities TEC-SB/7935/dc 12/Feb/09 2.4 - Long Term Mission / Technology Reference Missions: Gamma Ray Imager TRP Reference: Title: T206-01SC Gamma Ray Optics Development This activity aims at developing a combination of technologies that achieves true gamma ray focusing. This will allow improved localization and signal: noise for gamma ray observatories, and would be usable as a concentrator for gamma ray spectrometers. The aim is to develop imaging optics for the Gamma-ray energy range in the region of 100keV to ~2MeV. Using a Laue crystal diffraction lens, it is possible to focus gamma rays with quite high efficiency over rather narrow energy bands. The field of view, energy band and efficiency are all parameters that must be traded off in a practical design. The use of mosaic crystals, with slight misalignment between the microblocks within a large crystal, allows some tuning of these important parameters. The activity will develop improved crystal growing techniques to allow control of these parameters. Materials such as Ge, Cu and pyrolitic graphite, among others, will be investigated, and growth techniques will be correlated with measurements of the diffraction efficiency. For an optimized crystal choice, a system study will be performed to determine the parameters for a tunable system that allows (for a fixed focal length) to establish the angular control requirements to adapt the crystals to focusing individual emission line energies of astrophysical interest (e.g. annhilation energy, or nucleo-synthesis products within supernovae remnants). Deliverables: Mirror samples with graded density multi-layers, and Laue crystal arrays demonstrator. Current TRL: TRL1 Target TRL: TRL2 Application Need/Date: TRL5 by 2012 Application/Mission: Gamma Ray Imager (>2015) Contract Duration: 18 months SW Clause : - Dossier0 Ref.: T-672 Consistency with Harmonisation Roadmap and Conclusions: Page 51 of 227
TRP Work Plan 2005-2007 Description of Activities TEC-SB/7935/dc 12/Feb/09 2.6 - Other Technologies / Missions TRP Reference: Title: T214-05SC High Resolution, Low Mass, Pore Optics Introduction of novel lightweight materials will be used in the design of high resolution deployable low mass optics. The activity is to develop a preliminary breadboard phase for future astrophysics missions. The aim of the technology development is to maintain the high throughput and resolution via. a high reflectivity over a wide range of wavelengths, with a flexible design geometry dependent on wavelength. Deliverables: Low mass optics breadboard. Current TRL: TRL2-3 Target TRL: TRL3/4 Application Need/Date: TRL5 by 2010 Application/Mission: XEUS Contract Duration: 18 months SW Clause : - Dossier0 Ref.: T-815 Consistency with Harmonisation Not directly linked to harmonised technology. Roadmap and Conclusions: TRP Reference: Title: High Resolution, Low Mass, Pore Optics: additional work Introduction of novel lightweight materials will be used in the design of high resolution deployable low mass optics. The activity is to develop a preliminary breadboard phase for future astrophysics missions. The aim of the technology development is to maintain the high throughput and resolution via. a high reflectivity over a wide range of wavelengths, with a flexible design geometry dependent on wavelength. Deliverables: Low mass optics breadboard. Current TRL: TRL2-3 Target TRL: TRL3/4 Application Need/Date: TRL5 by 2010 Application/Mission: XEUS Contract Duration: 18 months SW Clause : - Dossier0 Ref.: T-815 Consistency with Harmonisation Not directly linked to harmonised technology. Roadmap and Conclusions: TRP Reference: Title: High Resolution, Low Mass, Pore Optics: additional work Introduction of novel lightweight materials will be used in the design of high resolution deployable low mass optics. The activity is to develop a preliminary breadboard phase for future astrophysics missions. The aim of the technology development is to maintain the high throughput and resolution via a high reflectivity over a wide range of wavelengths, with a flexible design geometry dependent on wavelength. The present extension to the original contract (rider to contr. number 18981) is due to the purchase of a additional silicon wafer to create an X-Ray Optical Unit (XOU), using a pair of CeSiC brackets that have already been manufactured under the original contract. The additional activity includes the assembly, alignment and X-ray test of XOU in petal structure, also manufactured under the original contract. Deliverables: Low mass optics breadboard. Current TRL: TRL2-3 Target TRL: TRL3/4 Application Need/Date: TRL5 by 2010 Application/Mission: XEUS Contract Duration: 18 months SW Clause : - Dossier0 Ref.: T-815 Consistency with Harmonisation Roadmap and Conclusions: Not directly linked to harmonised technology. Page 52 of 227
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