Prof. Truman D. Black Optics Magnetism

The eye

•Electro- Laser- and Non-linear Optics

•Nano- Meso- Atomic- Physics

•The Accommodating Lens

150bilayers Pyrylium/PSS on fused silicaMade Feb 2003

Mean height deviation 29.92nmRms height deviation 40.5nmAv height 90.16nm

Maker Fringe Setup

(VBS) variable beam splitter(APD) avalanche photodiode (PBSC) polarizing beam splitting cube(TFP) thin film polarizer(BS) beam splitter(M) mirror(/2) half-wave plate(F1) 850 nm high pass filter (F2) (IR) blocking Scott glass filter (RS) rotation stage(GTP) Glan-Thompson polarizer (IF) interference filter(PMT) photomultiplier tube

UnwantedPolarization

RS

TFP

PBSC

TFBS

M

(quartz)HWP

F1

Sample

Quartz

IFGTP

APD

(quartz)VBS

F2

ReferenceSignal

SampleSignal

Boxcar #2 Boxcar #1A B

F(x)

TriggerTrigger

PMT

PMT

Nd:YAG

Propagation of the “Bound” and “Free” Second Harmonic Waves

– J. Jerphagnon and S.K. Kurtz, “Maker fringes:A detailed comparison of theory and experiment for isotropic and uniaxial crystals” J. Appl. Phys. 41,1667 (1970)

'2

Air Nonlinear Material Air

k

k'

kb2

kf2

'

z

x

= sin-1[n2 sin(')]

= sin-1[n2 sin('2)]

Pyrylium NLO Chromophores

NO

O

OCC

O O

( )n

+BF 4

-

• The O+ ion is of primary importance in the Ionic Self-Assembled Monolayers (ISAM) film growth

Polyester

Diphenyl

Nonlinear Optics• Macroscopic Polarization:

(2)IJK=2dIJK tensor:

• Poled Films Have C Point Group Symmetry

⎟⎟⎟

⎠

⎞

⎜⎜⎜

⎝

⎛=

363534333231

262524232221

161514131211

dddddd

dddddd

dddddd

d

...EEEEEEP )3()2()1( +++=

⎟⎟⎟

⎠

⎞

⎜⎜⎜

⎝

⎛=

000ddd

00d000

0d0000

d

332431

24

31

Pyrylium salt dye for non-poled polymeric thin film nonlinear optical

waveguide applications

Mark R. Sudduth,1 Samantha R. Fore,1 Derek H. Johnson,2,3

Theresa A. Maldonado,2 Truman D. Black,1 Martin Pomerantz3

1 Department of Physics, 2 Department of Electrical Engineering,3 Department of Chemistry and Biochemistry

The University of Texas at Arlington

TX Higher Education Coordinating Board ARP

NSF Research Experiences for Undergraduates

CP - Ciliary ProcessZ - ZonulesCB - Ciliary BodyL - LensI - IrisSC - Schlemm CanalS = Sclera