AgGaS2, AgGaSe2 Crystals

Transparency range, μm	0.5-12
Orientation accuracy of cut angle, arc min	30
Surface quality, scratch/dig	20/10
Flatness at l=0.633 m	l /4
Parallelism, arc sec	10
Perpendicularity, arc min	<5
Optical damage threshold, GW/cm2	>0.05, t=10ns, @1064nm
Maximum available aperture axb, mm2	15x15
Maximum length l, mm	15
Aperture tolerance, mm	+0.1/-0
Length tolerance, mm	+0.1/-0

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Description

Silver Thiogallate crystal has a high non-linear coefficient, high damage threshold, and a wide transmission range. It also has low optical absorption and scattering, low wavefront distortion. Among commercially available crystals, AgGaS₂ has the highest figure of merit for non-linear interactions in the near and deep infrared.
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.

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Crystal:
Aperture Dimensions:	mm
Length:	mm
Orientation θ:
Orientation φ:
Phase Matching:	I Type (e-oo) II Type (e-oe)
Description of AR coatings I Surface:
Description of AR coatings II Surface:
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