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 TRP Reference: Title: T103-13MM L3CCD/EMCCD Technology for LIDAR Applications The L3CCD (Low Light Level)/Electron Multiplying technology is a rather new technology developed by E2V (UK) combining the CCD capability with the photon counting capability. The detector has been primarily developed for night vision applications but could have very interesting applications in space lidar remote sensing where very low backscatter signals have to be detected and photon counting capability is required for the acquisition chain. Such a detector would provide very high quantum efficiency, as other silicon CCDs associated with quasi-null detection noise. This would improve the Signal to Noise Ratio and the lidar capabilities, when compared to Accumulation CCDs as proposed for AEOLUS mission. It would furthermore provide shot-to-shot capability.If the suitability of such a detector, and in particular the amplification process, for lidar application is not demonstrated, it is then proposed to assess such a devices for generic lidar applications.The concept of such detectors is suitable for any UV-Visible and NIR lidar. The proposed tasks are : derive detector design requirements for lidar applications; breadboard and manufacture of CCDs based on EMCCD/L3CCD technology; define, develop and breadboard a set-up for operating the detector including proximity electronics Integration and Tests; performance consolidation and suitability of the detector for lidar applications. Deliverables: Detector design report Detector breadboard Electronics and set-up to operate the detector Reports on results of assessment and suitability to lidar applications. Current TRL: TRL2 Target TRL: TRL5 Application Need/Date: TRL5 by 2009 Application/Mission: Future LIDAR missions Contract Duration: 24 months SW Clause : - Dossier0 Ref.: T-419 Consistency with Harmonisation Roadmap and Conclusions: TRP Reference: T103-16FP Title: Ultra-compact medium-resolution spectrometer for land application The objective of this activity is to develop a linear variable filter elegant spectrometer breadboard. This activity will make use of the linear variable filter technology developed in a previous TRP contract. The novelty of the concept is to glue a linearly variable filter glass directly onto the detector array, thus achieving a very compact spectrometer instrument for hyperspectral medium resolution applications. The linear variable filter coated on a cover glass will be packaged and aligned to a detector array, which has been already space qualified. The overall assembly of filter and detector will be optically and environmentally tested. Deliverables: Elegant breadboard of a linear variable filter spectrometer in which the filter is directly applied to the detector. The breadboard will be optically, electronically and environmentally tested. Current TRL: TRL2 Target TRL: TRL3 Application Need/Date: TRL5 by 2010 Application/Mission: GMES, Post-EPS Contract Duration: 24 months SW Clause : - Dossier0 Ref.: T-7861 Consistency with Harmonisation Roadmap and Conclusions: Page 21 of 227
TRP Work Plan 2005-2007 Description of Activities TEC-SB/7935/dc 12/Feb/09 TRP Reference: Title: T103-24MM Next Generation panchromatic detectors Hyper-spectral imagers for EO covers both the visible and the infra-red (with varying long-wavelength cut-off)spectral region. MCT is the "workhorse" in the IR with adjustable cut-off wavelength, Silicon detectors (CCDs) cover the visible band. While these established detector technologies used for each wavelength region have very good performance, it requires the costly development /qualification of two (or more!) detectors and associated front-end electronics as well as a complex accommodation in the instrument's focal plane. MCT as a material has a very good response in the VIS, it is the substrate in these hybridized, "back-illuminated" detectors which is opaque at short wavelengths. The substrate removal (backside thinning) of this rather unforgiving material (in contrast to Silicon) is recently considered very prosing by the relevant industry. The development of such a "panchromatic" detector will allow the use of a single detector covering the entire spectral range of interest with the corresponding tremendous advantages (substantial simplification and savings in power, mass and size) including elimination of cross-calibration and co-registration problems for (Hyper-) spectral imagers as the primary instruments in EO. The activity shall consist in the development of a technology / performance demonstrator of modest dimensions, focussing on the optimization/mastery of the metallurgy and post-processing of the detector material and it's electro-optical performance. Deliverables: Detector array Demonstration Model Current TRL: TRL2-3 Target TRL: TRL3-4 Application Need/Date: TRL5 by 2010 Application/Mission: FLEX / Sentinel 5 Contract Duration: 24 months SW Clause : - Dossier0 Ref.: T-325 Consistency with Harmonisation Roadmap and Conclusions: Optical Remote Passive Instruments - Detectors TRP Reference: Title: T103-25MM Reliable space-compatible pump laser diodes This activity will focus on the development of improved wafer technology for high-power laser diode (array and/or stacks) as pump for solid-state lasers. Aspects of space environmental compatibility, lifetime and reliability are the key technology to be addressed. Deliverables: Improved high-power laser diode wafers samples, testing and characterization. Current TRL: TRL2-3 Target TRL: TRL3-4 Application Need/Date: TRL5 by 2008-2009 Application/Mission: Forthcoming Lidar missions Contract Duration: 18 months SW Clause : - Dossier0 Ref.: T-419 Consistency with Harmonisation Roadmap and Conclusions: Page 22 of 227
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