Silver Gallium Sulfide
Silver Gallium Selenite

Basic Properties

AgGaS2

AgGaSe2

Crystal structure

Tetragonal

Tetragonal

Cell parameters (Å)

a = 5.756
c = 10.301

a = 5.992
c = 10.886

Melting Point (°C)

997

851

Density (g/cm³)

4.702

5.700

Absorption Coefficient )cm-1)
@ 1.064mm
@ 10.6mm


0.01
0.6.


< 0.05
< 0.02

Resistance

> 1012

Unavailable

Relative Dielectric Constant
e11s/eo @ 25 MHz
e33s/eo @ 25 MHz


10
14


10.5
12.0

Thermal Expansion Coefficient
(10-6/°C) || C
^ C


+12.5
-13.2


+16.8
-7.8

Thermal conductivity (W/cm/°C)

0.015

Unavaible

Linear Optical Properties

Transparency Range (nm)

0.50 – 13.2

0.78 – 18.0

Refractive Indices

@ 1.064 mm
@ 5.300 mm
@ 10.60 mm

no

2.4521
2.3945
2.3472

ne

2.3990
2.3408
2.2934

no

2.7010
2.6134
2.5912

ne

2.6792
2.5808
2.5579

Wavelength @ n= ne (mm)

0.4974

0.811

Thermo-Optic Coefficients

dno/dt (10-5/°C)
dne/dt (10-5/°C)

15.4.
15.5

~15.
~15

Sellmeier Equations

AgGaS2.

Nno2 (l) = 3.3970 + 2.3982 / (1-0.09311/l2) + 2.1640 / (1-950/l2)
Nne2 (l) = 3.5873 + 1.9533 / (1-0.11066/l2) + 2.3391 / (1-1030.7/l2)

AgGaSe2.

Nno2 (l) = 4.6453 + 2.2057 / (1-0.1879/l2) + 1.8577 / (1-1600/l2)
Nne2 (l) = 5.2912 + 1.3970 / (1-0.2845/l2) + 1.9282 / (1-1600/l2)

Nonlinear Optical Properties

Phase-Matching SHG range (mm)

1.8 – 11.2

3.1 – 12.8

NLO Susceptibilities d36(pm/V)

SHG @ 10.64 mm

18.

58.

Linear Electro-optic Coefficients

y41T
y63T

4.0 ± 0.2
3.0 ± 0.1.

4.5 @ 1.15 mm
3.9 @ 1.15 mm.

Damage Threshold (MW/cm²)

@ ~ 10ns, 1.064 mm
@ ~ 10ns, 11.6 mm

25, surface
> 500 bulk

20 – 30, surface