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AgGaSe2 Crystals

AgGaSe2 Crystals
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Transparency range 0.9-16 μm
Dimensional tolerances +0/-0.1 mm
Length tolerance ±0.1 mm
Orientation accuracy of cut angle <30 arcmin
Surface quality 20-10 S-D
Surface flatness <λ/4 @ 632.8 nm
Parallelism error <40 arcsec
Perpendicularity <5 arcmin
Protective chamfers <0.1 mm x 45°
Material optical damage threshold >350 MW/cm2 for 10 ns pulses @ 1064 nm
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Silver Selenogallate (AgGaSe2) has band edges at 0.73 and 18 μm. Its useful transmission range lying within 0.916 μm and wide phase matching provide excellent potential for OPO applications when pumped by variety of currently available lasers. Tuning within 2.512 μm was obtained when pumped by Ho:YLF laser at 2.05 μm. It has also been shown as an excellent crystal for non-linear three-wave interactions.
varna Large effective optical nonlinearity
varna Wide spectral and angular acceptances
varna Broad transparency range
varna High Figure of merit for non-linear interactions
varna Excellent crystal for three-wave interactions
varna Ultrashort pulse generation in mid IR range
varna Suitable for applications with CO2 laser

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