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LABORATOIRE DE PHYSIQUE III: TP 3

SEANCE D’INTRODUCTION

Section de Physique – FSB

Travaux pratiques avancées TP3

Iva Tkalcec Vâju, Arnaud Magrez, Daniel Oberli

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Advanced Physics Laboratory

Theoretical physics

Mastering models and basic concepts

Empirical models

Experimental physics

Direct observation of phenomena

Knowledge of the physics laws

To check theoretical models

Section de Physique – FSB

Travaux pratiques avancées TP3

The test of all knowledge is experiment. Experiment is the sole judge of scientific « truth ». But what is the source of knowledge? Where do the laws that are to be tested come from? Experiment, itself, helps to produce these laws, in the sense that it gives us hints.

Richard Feynman

Theoretical models

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Goals of the Physics Laboratory

v  The art of experimentation

- using the right equipment, building and repairing - data acquisition and analysis

v  Mastering basic physical concepts v  Developing collaborative skills v  Communicating results

- reports, presentations, posters v  Developing the sense of initiative and creativity

Section de Physique – FSB

Travaux pratiques avancées TP3

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Organization v  Team work: 2 students by group v  3 TPs per semester (4 weeks each) v  8 hours of laboratory work, compulsory

- lab book, notebook

Respect instructions and regulations! v  Lasers, cryogenic (N2 liquid), high tension, radiation… v  Drinks, food, meal, are forbidden in the laboratories! v  The use of PC for downloads is not allowed

Section de Physique – FSB

Travaux pratiques avancées TP3

Security:

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Sessions, introductory notes and reports Section de Physique – FSB

Travaux pratiques avancées TP3

Sessions:

v  Friday from 8h15 to 17h

Introductory notes of TP:

v  Get full information one week before the beginning of TP > Check the web site: Faculté de sciences de Base: Bachelor

Travaux pratiques 3ème année > Get in touch with your assistant

Reports:

v  Reports have to be sent to assistants before starting the new TP

v  Feedback: Ask the assistant about the status of your report and discuss in details

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Reports (maximum 10 pages) 1) Introduction (1/2 page)

Motivation, make the subject of the report clear, state clearly the aims

2) Theory / Experimental setup (1-2 pages max.)

3) Results (4 pages max.)

Present the obtained results as graphs and/or tables. Number and label each figure or table which should have captions. Include only the information necessary to convey the message.

4) Discussion (2 pages max.)

Compare your results with those obtained by other groups or data already published in literature.

5) Conclusion (1/2 page)

i) summing up, ii) convictions of evidence

Section de Physique – FSB

Travaux pratiques avancées TP3

Type:

Scientific paper

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Evaluation

Grade of each TP=(x+y)/2

x) TP preparation (1pt) - theory, information and data retrieval Laboratory work (2pt) - punctuality, autonomy, initiative, efficiency Results (3p)

y) short report, oral or poster presentation (6p)

Semester grade = (TP1+TP2+TP3)/3

Section de Physique – FSB

Travaux pratiques avancées TP3

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Evaluation: reports, presentations

v  structure and length

v  scientific vocabulary

v  clear presentation of the results

v  interpretation and discussion of results

(understanding)

Section de Physique – FSB

Travaux pratiques avancées TP3

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Presentation of the results

Figures and tables

v  Numbering and citing in the text in order

v  Relevant concise captions

v  Axis labels, scaling, font size, symbol size, legend Units, scientific notation, rounding Error estimate Data and figures from outside sources are referenced

Section de Physique – FSB

Travaux pratiques avancées TP3

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Data Processing and Presentation Section de Physique – FSB

Travaux pratiques avancées TP3

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Section de Physique – FSB

Travaux pratiques avancées TP3

Graphical Analysis

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Error Analysis Section de Physique – FSB

Travaux pratiques avancées TP3

Average'or'mean'value,'standard'deviation'and'error'or'uncertainty'of'the'mean'value'x = 1

nxi

i=1

n

! ' ' s = 1n!1

xi ! x( )2i=1" '''''''''''''''' sm =

sn1/2

'

The'result'to'be'reported'is'then:'' ' xmeas = x ± sm '

For$a$quick$way$to$approximate$the$error$in$F(x,y,z)$sometime$one$can$use$the$relation:$$$ $ $ $ !F x, y, z( ) " #F

#x!x + #F

#y!y+ #F

#z!z $

$$In#case#of#F#is#that:# # F x, y, z( ) = axny!mzp ##

This#leads#to#simple#approximation#for#the#estimation#of#the#relative#error# !FF#

## # # # !F

F" n !x

x+m !y

y+ p !z

z#

#

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Section de Physique – FSB

Travaux pratiques avancées TP3

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Site du TP III: EPFL Faculté de sciences de Base Physique Enseignement Bachelor Travaux pratiques 3ème année

ASSISTANTS RESPONSABLES TP3, SEMESTRE Automne 2016

Nom Unité Tél EXPERIENCE EXPERIENCE A

CHOI Dahye dahye.choi@epfl.ch

CRPP TVC

36580

Plasma - I

B

BLUMENSCHEIN Felix felix.blumenschein@epfl.ch

LPMN 33326 RMN - I Résonance de spin

électronique (RPE) C

ROSSI Lidia lidia.rossi@epfl.ch

LPMC

35811 Physique couches minces Supraconductivité II

D

BALTIC Romana romana.baltic@epfl.ch

IPHYS LNS

33383 Effets Magnéto Optiques Chaos déterministe

E

MANTULNIKOVS Konstantins konstantins.mantulnikovs@epfl.ch

IPHYS LPMC

34438

Supraconductivité HTc Frottement Intérieur

F

BEREYHI Mohammadjafar mohammadjafar.bereyhi @epfl.ch

IPHYS LPQM1

35422 Spectroscopie optique I Photoémission Interne

G

TKALCEC VÀJU Iva iva.tkalcec@epfl.ch

IPHYS LPMC

33393 Ultrasons

H

MOLINA Pedro pedro.molina@epfl.ch

SPC TCV

36569 Plasma - II Physique de bulles

I

ADIYATULLIN Albert albert.adiyatullin@epfl.ch

ICPM LOEQ

35449 Laser à semi-conducteurs Laser SC-VCSEL

J

GIRIAT Gaétan gaetan.giriat@epfl.ch

IPMP- LPMC

344381 Spectroscopie Raman Analyse thermique

K

FRAJTAG Pavel pavel.frajtag@epfl.ch

LRS/ IPEP

33378

Flux neutroniques PH L0 525

Spectroscopie γ et n10

PH L0 525 L

ADJAM Samy samy.adjam@epfl.ch

LPMC

33393 Milieux granulaires Propriétés électroniques

M

violaine.bellee@epfl.ch guido.andreassi@epfl.ch pavol.stefko@epfl.ch matthieu.marinangeli@epfl.ch

LPHE1

30497 30498 30497 30494

Physique nucléaire Exp4 et Exp 5 http://lphe.epfl.ch/~tp3/

Physique nucléaire Exp6 et Exp10 http://lphe.epfl.ch/~tp3/

N

NAVADEH TOUPCHI Morteza morteza.navadehtoupchi@epfl.ch

IPHYS LOEQ

37630

Effets Photothermiques Para et Ferroélectricité

O

HORVÀTH Endre endre.horvath@epfl.ch

IPHYS LPMC

34515 Microscopie à force Atomique (AFM I)

AFM II

P

OBERLI Daniel daniel.oberli@epfl.ch

IPHYS LOEQ

35486 33355 Interférences Optiques Effets Quantiques

Q

R

KATRYCH Sergiy sergiy.katrych@epfl.ch

LPMC

33708 Rayons X Analyses par DRX

S

MAILLARD Caroline caroline.maillard@epfl.ch

GPSB 30546 Biophysique

T

MAGREZ Arnaud arnaud.magrez@epfl.ch

IPHYS GCMP

37656 PSI Photoémission

TP3 Web site : http://sb.epfl.ch/page-62023-fr.html

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Lieu: TP III

CE 1

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Lieu: Flux neutronique

Spectroscopie γ et n10

PH K0

PH D0

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Section de Physique – FSB

Travaux pratiques avancées TP3

International Physicists' Tournament

Vivien Bonvin

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Section de Physique – FSB

Travaux pratiques avancées TP3

Experiments at PSI

Photoemission (Julien.Rehault@psi.ch) October 07. and 14. November 04. and 11. December 09. and 16.

SLS I and SLS II Jan Hugo Dil (hugo.dil@epfl.ch) November 11.

? SINQ I and II Henrik Ronnow (henrik.ronnow@epfl.ch) November 11.

Accommodation at PSI reserved for the night before

Ask Mrs. Yvette Gallay for train tickets in advance