3.10.2004I.Kreslo / LHEP BERN1 Status of scanning lab in Bern 2 Microscopes are operating Data acquisition/sharing setup Scanning performance: 2x2cm 2

3.10.2004 I.Kreslo / LHEP BERN 1

Status of scanning lab in Bern

• 2 Microscopes are operating

•Data acquisition/sharing setup

• Scanning performance: 2x2cm2 in emulsions ## 9-16 Brick 5 without lead

• Emulsion Changer status


2 Standard “European” microscopesare installed and operating


Microscope SetupCameraCamera: : 500 fps Mikrotron MC1310500 fps Mikrotron MC1310

– Used at 376 fps => Used at 376 fps => Speed: ~ 16 cmSpeed: ~ 16 cm22/h/layer/h/layerFrame grabberFrame grabber

– Matrox Odyssey X-ProMatrox Odyssey X-Pro

Light system Light system – Flexible Koehler system with Nikon NA=0.8 lens.Flexible Koehler system with Nikon NA=0.8 lens.

Last Sysal release (july)Last Sysal release (july)– Odyssey2, VertigoScan3Odyssey2, VertigoScan3– SmartTracker6 (MIC1) ,7(MIC2)SmartTracker6 (MIC1) ,7(MIC2)

ObjectiveObjective– Nikon CFI LU Plan x50 NA=0.8Nikon CFI LU Plan x50 NA=0.8– Heater to avoid condensationHeater to avoid condensation


Microscope Setup

Heater R=50 OhmU=12V DC

T~35-40ºC


HTTP server

Data management

MIC1WinXP

MIC2WinXP

Data/Web serverLinux SuSe9.1

Samba server

SySal data directl stored on the server.

Conversion to ROOT is done under Linux.

All the data is immediately available to external world at http://lheppc46.unibe.ch


Scanning performancemicrotracks






Scanning performanceBasetrack finding parameters

# "Prototype_OPERA_microtrack" SIGMA0 1 6. 6. .02 .02 DEGRAD 1 4. BINS 1 4 4 4 4 RAMP0 1 6 10 RAMP04 1 5 9 CHI2MAX 1 3. CHI2PMAX 1 3. SIGMAGR 1 100.


Scanning performancebasetracks






Scanning performanceMicrotrack-basetrack angular residual


Scanning performanceNoise basetracks in ref. emulsion. MIC1

1951 / 4cm2

Cut on Chi2<2.0


Scanning performanceBasetracks->Volume tracks

# "Prototype_OPERA_basetrack" SIGMA0 0 3. 3. .006 .006 DEGRAD 0 5. BINS 0 4 4 4 4 RAMP0 0 15 15 RAMP04 0 15 15 CHI2MAX 0 5. CHI2PMAX 0 5. CUTCP 0 1 100 1 100 2.0 2.0

The Chi is limited by 2. to reject most of the noise


Scanning performanceBasetracks MIC1 (SmartTracker6)


Scanning performanceBasetracks MIC2 (SmartTracker7)


Scanning performanceNoise basetracks MIC2


Scanning performanceBasetracks MIC2




Efficiency in layer 1 at the abs angle 0.011180: 97.617124%Ndet=1208 Ntot=1238Nreal=1363Efficiency in layer 1 at the abs angle 0.092542: 96.377502%Ndet=1011 Ntot=1049Nreal=1215Efficiency in layer 1 at the abs angle 0.185456: 93.783784%Ndet=1041 Ntot=1110Nreal=1434Efficiency in layer 1 at the abs angle 0.205295: 92.407025%Ndet=894 Ntot=968Nreal=1327Efficiency in layer 1 at the abs angle 0.207241: 93.456925%Ndet=857 Ntot=917Nreal=1202Efficiency in layer 1 at the abs angle 0.282124: 89.946738%Ndet=675 Ntot=751Nreal=1147Efficiency in layer 1 at the abs angle 0.289173: 88.862559%Ndet=750 Ntot=844Nreal=1353

Efficiency in layer 1 at the abs angle 0.343141: 88.814994%Ndet=734 Ntot=827Nreal=1329Efficiency in layer 1 at the abs angle 0.400125: 90.269461%Ndet=603 Ntot=668Nreal=1006Efficiency in layer 1 at the abs angle 0.455281: 88.440492%Ndet=646 Ntot=731Nreal=1194Efficiency in layer 1 at the abs angle 0.483104: 91.319444%Ndet=789 Ntot=864Nreal=1242Efficiency in layer 1 at the abs angle 0.520020: 91.928865%Ndet=672 Ntot=731Nreal=1023Efficiency in layer 1 at the abs angle 0.591085: 91.463415%Ndet=637 Ntot=697Nreal=995Efficiency in layer 1 at the abs angle 0.646054: 88.611860%Ndet=657 Ntot=742Nreal=1203



Emulsion ChangerLinear drives by Rexroth (BOSH)


Emulsion ChangerControl electronics by Bern


Emulsion ChangerVenturi vacuum generators


Emulsion ChangerSySal object in manual mode


Emulsion ChangerTODO

Optimize speed & accelerations to provide faultless operation.

Modify the glass table to maximize scannable area.

Connect SySal PlateChanger with VertigoScan or ScanServer.

Documents

3.10.2004I.Kreslo / LHEP BERN1 Status of scanning lab in Bern 2 Microscopes are operating Data acquisition/sharing setup Scanning performance: 2x2cm 2