Nonlinear optical crystal AGS (AgGaS2)

AGS

(silver thiogallate)

AGS1

AGS3

Main properties

Compound AgGaS2
Transparency range, µm 0.47 – 13
Nonlinear coefficient, pm/V d36 = 12.6 @ 10.6 µm 
Negative uniaxial crystal no > ne (at λ < 0.497 μm ne > no)
Symmetry Tetragonal, -42m point group
Cell parameters, Å a=5.757, c=10.311
Typical
Reflection
index

10.6 µm
5.3 µm
no=2.3475, ne=2.2918
no=2.3945, ne=2.3406
Optical Damage Threshold, MW/cm2
1064 nm
(t=10 ns)
350
Walk off angle, ° 5.3 µm 0.76
Thermal conductivity k, WM/M°C 1.5
Band-gap energy at room temperature, eV Eg = 2.73
Optical activity ρ = 522deg/mm at isotropic point n0= ne, λ = 0.4974 μm
Absorption edge in the far-IR on 0.2 transparency level 0.86 THz; 346 µm

The parameters of optical elements

Orientation accuracy, arc min < 30
Parallelism, arc sec < 30
Flatness 546 nm λ/4
Surface quality, scratch/dig 30/20

Application

  • Efficient frequency doubling for mid-IR radiation
  • Optical parametric oscilation and amplification, Different frequency generation to mid-infrared regions up to 12 µm
  • Optical narrow-band filters in the region near isotropical point (0.4974 µm at 300 K)

Large/long optical elements are available, please, send your requests.

We are able to provide suitable Anti-reflection / Protective, etc. coatings tailored to customer’s specifications, reflectivity curves are applied upon request.

ORDER THIS PRODUCT

Order Request form

Ungültige Eingabe
Ungültige Eingabe
Ungültige Eingabe
Ungültige Eingabe
Ungültige Eingabe
Ungültige Eingabe
Ungültige Eingabe
Ungültige Eingabe
Ungültige Eingabe
Ungültige Eingabe
Ungültige Eingabe
Ungültige Eingabe
Ungültige Eingabe
Ungültige Eingabe
Ungültige Eingabe
Ungültige Eingabe
Ungültige Eingabe
Ungültige Eingabe
Agreement missing.