Request form
Crystal: GaSe	quantity:
Element dimensions:
aperture mm a b length (c)mm
Orientation:
angles theta ° phi ° type I II
Application:

Element coating:

Additional information:

Your:
Name:
Company:
Street:
Zip / city:
Country:
E-mail:
Phone / fax:

For example
e.g. SHG @1064
SFG @800+267->200
DFG @780-842->10600
OPO @355->460+560+960+1150 etc

For example
e.g. P-coating
ARC @1064 R<0.25%
ARC @1064 R<0.25% + 532 R<0.5%
BBAR @1064 R<1% + 3÷10 R<5%

Laser parameters

Nonlinear optical crystal GaSe

(gallium selenide)

Main properties

Transparency range, µm		0.62 - 20
Nonlinear coefficient, pm/V		d₂₂ = 54
Symmetry		hexagonal, 6m2 point group
Cell parameters, Å		a=3.74, c=15.89
Typical Reflection index	10.6 µm 5.3 µm	n_o=2.6975, n_e=2.3745 n_o=2.7233, n_e=2.3966
Optical Damage Threshold, MW/cm²	1064 nm (t=10 ns)	30
Walk off angle, °	5.3 µm	4.1

Application

SHG of 10.6 µm laser radiation

Optical Parametric Oscillation, Amplification, DFG, etc. to mid-IR up to 17 µm

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

AGS

AGSe

BBO

CLBO

GaSe

KPb₂Cl₅

KTA

KTP

LBO

LiGaS₂ NEW

LiGaSe₂ NEW

LIS

LISe

ZnGeP₂

Programming STILER.de 2006