Transcript How to Give a Presentation

Presentation on Presentation
IMMERSE 2015
4-29-15
Outline
• Technical presentations versus other
• Using PowerPoint Slides
• Backgrounds, colors, fonts, sizes
• Organization
• Too much/too little information
• Content
• Enough background information for your audience
• Avoid equations and gory details
• Emphasize big picture and conclusions
• Presenting
•
•
•
•
•
Try to be natural – lots of eye contact
Don’t read slides
Don’t over/under prepare
Don’t over/under explain
Don’t go crazy with the laser pointer
Technical Presentation versus Other
Presentations
Technical Presentation
– You do all the talking
until someone asks a
question
– Delivering scientific
results
– Can have “personality”
but should maintain a
degree of
professionalism
– PowerPoint
Church Presentation
– Usually do a fraction
of talking (5% R.S.;
10% priesthood)
– Include stories,
feelings, personal
experiences
– More personable
– You ask the
questions
PowerPoint Presentation Guidelines
Background
Can’t Go Wrong
Plain White
Avoid
Distracting backgrounds
Fonts
Ariel
Anything distracting
Text Size
Bigger than 18 point
Smaller than 18 point (16 point)
(14 point) (12 point)
Colors
Lots of contrast
between text and
background
Little contrast between
text and background or distracting
PowerPoint Presentation Guidelines
Can’t Go Wrong Avoid
Background
Plain White
Distracting backgrounds
Fonts
Ariel
Anything distracting
Text Size
Bigger than 18 point
Smaller than 18 point
(14 point) (12 point)
Colors
Lots of contrast
between text and
Little contrast between
text and background -
background
or distracting
PowerPoint Organization
• Title Page
• Outline – can be substituted for
introduction slides
• Body
• Summary slide outlining conclusions
What to include on a PowerPoint Slide
Include
Graphs
Diagrams/Pictures
Important Equations
Key measurements
Conclusions
Avoid
Long Derivations
Computer Code
Lists of measurements
Two Pump Phase Matching
Double Pump Configuration
Single Pump Configuration
Input signal
fp ( f 0 )
(Pump1)
Limited tunability
Converted signal Can be tuned throughout
Input
the whole bandwidth
Limited
Tunability
Pump
signal
fin
Dummy
signal
fc
f0 (0)
 f1
 f2
frequency
fs_d
f1 = f2
0: center wavelength
fc = 2*fp-fin
Converted signal
Can be tuned throughout
the whole bandwidth
Dummy
Pump
fin
fp1
fs1
f0
(0)
fp_d fc
 fp2
 fs2
 fp1 =  fp2
 fs1 =  fs2
fc = fin + fp_d - fs_d
• Middle of the two pumps (input signal and dummy pump) needs to be ~ 0
 We tune dummy pump wavelength to get input wavelength tunability
• Middle of the dummy signal and the converted signal needs to be close to 0
 We tune dummy signal wavelength to get input wavelength tunability
•  tunability is limited by EDFA (~ 25 nm)
Y. Wang, ECOC, Sep. 2005
Basic Principle: Slow Light Engineering
Group Velocity vg  c
1
w n
c k
n
n w
w
n
c
w
S

w n
vg
1
c k
n w
Spectral Hole in Absorption
n
a
Kramers-Kronig
wS
w
n
a
wS
w
Sharp Gain Spectra
Kramers-Kronig
0
g
wS
w
wS
w
Videos and Animation
• Can be extremely effective
• Embed and make sure it’s bulletproof
• Don’t leave video looping
Technical Content
Background
– Adjust to your audience
– What do you need to know to understand
significance of what I’m talking about
– Why should you care
– Why what I’m doing is so great
Background slides could range from 1 to
most of the talk depending on your
audience
Technical Content
Mental state of most audience members: sleepy,
lethargic, bored, distracted, defensive
Things people like
• Big pictures
• Summary
• Results
• New Stuff
• Simple explanations
Things people don’t like
• Thinking too hard
• Gory details
• Repetition
• Endless equations
• Meaningless
information
• Endless talking
The Act of Presenting
• Try to be natural – lots of eye contact
• Don’t read slides
• Don’t over/under prepare
• Don’t over/under explain
• Don’t go crazy with the laser pointer
Acting Natural, Lots of Eye Contact
Example
Integrating Microfluidics and Hollow Waveguides
4) End Coupling of
Solid and Hollow
Core Waveguides
5) Integration of
Macroscopic Fluid
Reservoirs
1) Hollow Core
Waveguides
3) Intersection of
Solid and Hollow
Core Waveguides
2) Bends and
Intersections of
Fluid Channels
Don’t Read Slides
Example
SIM – Key to the Operation
 Electrons created during
ionization are collected at N+
region.
Current
Source
Metal
Schottky
Contact
SiO 2
+ Voltage
(Anode)
Metal
N type
 Holes created during
ionization are directed
towards the P+ substrate
instead of back towards the
current source
→ avoid carrier recombination
and gain suppression
injected
electron
High
electric
field
P type
Fig. 4 Different carrier transportation
routes within the device
Over/Under Prepare
Example
Anti-Resonant Reflecting Optical Waveguides
1) Hollow Core
Waveguides
n3
n2
d0
kx
k
core,n1
kz
n2
n3
Substrate
• First proposed by Dugay et al. (1986)
• High-index cladding: antiresonant FabryPerot cavity in transverse direction
• Low-loss propagation in z-direction
• Single mode
• Additional layers reduce loss
Over/Under Explain
Example
SU-8 sacrificial core
• Rectangular core defined
by photolithography
• Core removal: H2SO4 +
H2O2
Length of SU8 etched [mm]
2.5
60 C
50 C
2
1.5
Waveguide width
< 10
Top layer thickness
1
0.5
0
0
5
10
15
Etch Time [hours]
20
25
Going Crazy with the Laser Pointer
Example
Conclusions
• Being well spoken in technical
presentations extremely important
• How strangers see you
• Practice, practice, practice . . .
• Watch other people and decide what
you like, what you don’t
• Let’s learn from each other . . .