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IFCA Activities in R&D for ILC Instituto de Física de Cantabria [CSIC-UC] Spain.

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Presentation on theme: "IFCA Activities in R&D for ILC Instituto de Física de Cantabria [CSIC-UC] Spain."— Presentation transcript:

1 IFCA Activities in R&D for ILC Instituto de Física de Cantabria [CSIC-UC] Spain

2 Celso Martínez Rivero - Instituto de Física de Cantabria CSIC-UC 2 Outlook: An alignment feasibility Study for SiLC (Eudet funding: ~180k€) Software development:  Patter recognition in Silicon (?)

3 Celso Martínez Rivero - Instituto de Física de Cantabria CSIC-UC 3 Usage of collimated laser beams (IR spectrum) going through silicon detector modules. The laser beams would be detected directly in the Si- modules. Factors limiting the accuracy of a position on optomechanical monitoring system are:  mechanical transfers  non-straight propagation of the reference laser lines. An alignment proposal for SiLC

4 Celso Martínez Rivero - Instituto de Física de Cantabria CSIC-UC 4 Embedded straightness monitor - Conceptual Design Main advantages:  Particle tracks and laser beam share the same sensors removing the need of any mechanical transfer.  Minimum interference with Silicon support structures  No precise positioning of the aiming of the collimators. The number of measurements has to be redundant enough

5 Celso Martínez Rivero - Instituto de Física de Cantabria CSIC-UC 5 Hybrid approach – AMS I experience Based on previous AMS-1 experience we can project that few microns (<2 um) resolutions would be achieved.

6 Celso Martínez Rivero - Instituto de Física de Cantabria CSIC-UC 6 Embedded straightness monitor - Initial R&D IR Laser assembly Optically treated silicon modules Imaging/Power detector  Silicon module surface requires special treatement to improved its optical quality/transmitance  From and optical point of view the silicon wafer will behave as a multilayer medium.  Dedicated ultra-stable test stand for “optical” caracterization of the modified silicon modules: reflectivity, transmitance, absortion, polarization sensitivity, wedge effect, response uniformity... Ultra-stable Survey network

7 Celso Martínez Rivero - Instituto de Física de Cantabria CSIC-UC 7 Embedded straightness monitor - Initial R&D Start up plan:  Study the feasibility of optical treatment of the Si wafer.  Study/selection of the precise laser wavelength(s)* adequate to the Si module sensibility.  Small laser test stand for Si-mod readout: determine position resolution achievable. (*) Using more than one wavelengths may allow us to correct for “atmospheric” effects that will deflect the laser beams.

8 Celso Martínez Rivero - Instituto de Física de Cantabria CSIC-UC 8 Involved people Iván Vila (CT CSIC) Celso Martínez Rivero(CT CSIC) Isidro González Caballero (CSIC Postdoc) Javier Fernández (EU Postdoc contract) New EUDET Postdoc

9 Celso Martínez Rivero - Instituto de Física de Cantabria CSIC-UC 9 A naïve proposal for a Monitoring System Laser lines Connecting other sub-detector units (barril –TK) using steering optics Angular tilts using inclinometers.


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