Laser Physics IILaser Physics IIPH482/582-TS (Mirov)( )

Wave Propagation in Nonlinear Media. Conversion of Light Wave FrequencyConversion of Light Wave Frequency

Class lecture and ch.20,21

Lectures 21-23

Spring 2012C. Davis, “Lasers and Electro-optics”

1

Conversion of light wave frequency

2

3

4

Phase-Matching Conditions

5

6

Practical Optics of Uniaxial Crystals

7

8

9

Compare notations

International notations will use in future

LEO text book

10

LEO text book notation

12

n3e

13

14

Anharmonic Potential and Nonlinear Polarization

15

16

17

18

2

19

20

Symmetries and Kleiman’s Conjecture

21

22

Second Harmonic Generation

23

24

25

26

27

28

29

LiIO3

30

31

32

33

34

Optical Parametric Oscillator

35

36

37

38

39

http://www.as-photonics.com/snlo

40

41

42

43

44

Stimulated Raman Scattering

Energy (J) of the 1st stokes output in backscatter direction vs 1 06µm inpu for Dbackscatter direction vs 1.06µm inpu for D2 pressure of 690 psi.

=6.45 m

D ll

ZGP=1.56 m

=2.92 m

=2.92 m

6.45 m

CaF2M1M2

A1

A2

M3

M4

M5 P2 6.45 m ZnGeP2 (ZGP) OPO with output energy pumped by D2 (2nd

stokes) Raman shifted Nd:YAG

45Q‐switched YAG:Nd3+ with injection seeding

D2 ‐cell

O.I.

=1.06 m

F1 F2

A1M6

P1

/2 plate

stokes) Raman shifted Nd:YAGlaser