Nebula Public Library

The knowledge bank of ESA’s R&D programmes

Format: 2023
Format: 2023
2573 results found
No items
Background and justification:

United Kingdom

GSTP

GT17-187MMa

RAL Space

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This activity analysed the feasibility and performance of the quantum pulse gate (QPG) technique for noise rejection in optical communication systems. The optical frequency band is expected to play an increasingly important role in space communications due to a substantial increase in available data rates with respect to radio transmission, as well as enhanced information security. The main limiting factor for the performance of an optical link is the background noise collected by the receiver, especially when operated at low signal powers, e.g.

Poland

Discovery

S 2023-04-b

Quantum Optical Technologies sp. z o.o.

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Today, reference oscillators are based on a quartz resonator which is carefully sheltered in order to provide a very stable environment to this key component which in turn provides a very stable and low phase noise reference. This type of oscillator also called Oven Controlled Oscillator (OCXO) is the core technology in most space products requiring either stable frequency or low phase noise or both. Though far more recent on the market, MEMS oscillators are already as good as TCXO while being much smaller (hybrid assembly as compared to single chip solution).

France

TDE

T706-501ET

SYRLINKS

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A precursor GSP study (IPRAM) was performed to investigate systems for providing radiation environment specification and warnings for human spaceflight.

Belgium

TDE

T304-503EE

DH CONSULTANCY

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Based on flexible PVA equipped blankets, solar array concepts are to be devised, which are low in cost and which can pack tightly into limited stowed volumes (target range 25-40 kW/m3).

France

TDE

T503-701EP

THALES ALENIA SPACE FRANCE

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Space mission integration and testing activities between space and ground segments are today decoupled, based on different simulation facilities in different environments. Indeed, although most elements and building blocks are separately available, currently no coherent environment exists to perform an initial setup at space mission level. A number of technology and organisational solutions need to be achieved (e.g.

Germany

TDE

T708-611G

VISIONSPACE TECHNOLOGIES GMBH

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The project activity focused on the development of advanced direct-conversion detectors for X/γ-ray systems, which are critical for applications requiring reliable detection of radiation, ranging from single photons to high fluxes within the broad mid-energy spectrum. Traditional materials such as Si and Ge have limitations, particularly in detecting higher energy ranges, which motivates the search for semiconductors with a wider band gap, higher X/γ-ray absorption efficiency, and favorable electrical characteristics.

Finland

Discovery

EISI_I-2023-05278

Advafab Oy

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Achievements and status:  Both cylinders have been manufactured up to spec and shipped to the end-user.  Both cylinders have been accepted by the end-user   Benefits:  Tailored lattice design parameters to optimise the design for the defined load cases.  Mass savings in comparison to traditional monolithic designs of around 50% (of the composite part, without mounted equipment)

Netherlands

GSTP

GT27-172MS

ATG EUROPE B.V.

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Achievements and status: ​

Spain

GSTP

G617-241TAjr

AVS ADDED VALUE INDUSTRIAL ENGINEER

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The project included the design, fabrication, and characterization of key components such as transmission lines, resonators, and third-order filters in GGW technology. These components were manufactured using 3D screen printing and then subjected to rigorous testing to validate their electrical and geometric properties. A key technical challenge was to maintain dimensional tolerances within ±15 µm and surface roughness (Ra) below 3 µm to ensure optimal performance at high frequencies.

Germany

GSTP

G617-241TAjf

Fraunhofer Gesellschaft

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