Gallium Selenide (GaSe) non-linear crystal has wide transparency range, large non-linear coefficient and high damage threshold. Request a quote or buy from online store
| Model | Product Name+ | Buy Now |
| CR-GaSe-10-10-1 | GaSe crystal, Z-cut, 10x10x1 mm |
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| CR-GaSe-5-5-0.1 | GaSe crystal, Z-cut, 5x5x0.1 mm |
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| CR-GaSe-5-5-0.15 | GaSe crystal, Z-cut, 5x5x0.15 mm |
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| CR-GaSe-5-5-0.2 | GaSe crystal, Z-cut, 5x5x0.2 mm |
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| CR-GaSe-5-5-0.35 | GaSe crystal, Z-cut, 5x5x0.35 mm |
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| CR-GaSe-5-5-1 | GaSe crystal, Z-cut, 5x5x1 mm |
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Applications:
SHG in the mid-IR (CO2, CO, chemical DF-laser etc.)
upconversion of IR laser radiation into the visible range
Parametric generation within 3 – 20 µm
Terahertz THz generation (Del Mar Photonics supply variety of crystals for THz generation, including
ZnTe,
GaP,
LiNbO3 and others)
Main Properties*:
Transparency range, µm 0.62 - 20
Point group 6m2
Lattice parameters a = 3.74, c = 15.89 Å
Density, g/cm3 5.03
Mohs hardness 2
Refractive indexes:
at 5.3 µm no= 2.7233, ne= 2.3966
at 10.6 µm no= 2.6975, ne= 2.3745
Non-linear coefficient, pm/V d22 = 54
Walk off 4.1° at 5.3 µm
Optical damage threshold, MW/cm2 28 (9.3 µm, 150 ns); 0.5 (10.6 µm, in CW mode);
30 (1.064 µm, 10 ns)
* The data taken from different sources available on Internet. If you have
alternative data for any of the properties indicated
please let us know.
Literature:
Yu.F.Solomonov
Heteroexcitonic molecule
W. Chen, J. Burie, and D. Boucher A Widely
Tunable cw Laser Difference-Frequency Source for High-Resolution Infrared
Spectroscopy
O.V. Voevodina, A.N. Morozov, S.Yu. Sarkisov, S.A. Bereznaya, Z.V. Korotchenko,
D.E. Dikov
Properties of gallium selenide doped with sulfur from melt and from gas phase
K. L. Vodopyanov. Parametric generation of tunable infrared radiation in
ZnGeP2 and GaSe pumped at 3 µm. JOSA B, 1993, 10, 9, 1723
R. A. Kaindl, F. Eickemeyer, M. Woerner, T. Elsaesser. Broadband phasematched
difference frequency mixing of femtosecond pulses in GaSe: experiment and
theory. Appl. Phys. Lett. 75 (1999) 1060-1062
send us your publications related to GaSe properties and applications!
Del Mar Photonics, Inc.
4119 Twilight Ridge
San Diego, CA 92130
tel: (858) 876-3133
fax: (858) 630-2376
Skype: delmarphotonics
sales@dmphotonics.com
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