Symmetry	Orthorhombic; Point Group: mm2 (from -50°C to 222±4°C)
Lattice Parameters	a = 5.68961A, b = 3.9692A, c = 5.7256A
Thermal Expansion	aa=5.010x10-6/°C; ab=1.410x10-5/°C;
	ac=5.010x10-7/°C
Density	4.62g/cm3
Hardness	Mohs 5
Structural Phase Transitions	-50°C; 220°C; 430°C
Transparency Range	400 - 4500 nm
Absorption loss	<=1%/cm at 1064nm
Damage threshold	<=4J/cm2 at 527nm (500ps, single pulse)
	<=6J/cm2 at 1054nm (700ps, single pulse)
Typical Refractive Indices		na (ny)	nb (nz)	nc (nx)
	430nm	2.4145	2.4974	2.2771
	532nm	2.3223	2.3813	2.2022
	860nm	2.2372	2.2784	2.1338
	1064nm	2.2195	2.2576	2.1194
Sellmeier Equations: ( l in mm)
n2x = 4.4208 + 0.10044/(λ2 - 0.054084) - 0.019592λ2
n2y = 4.8355 + 0.12839/(λ2 - 0.056342) - 0.025379λ2
n2z = 4.9873 + 0.15149/(λ2 - 0.064143) - 0.028775λ2
Nonlinear Optical Coefficients	d31=-15.8pm/V, d32=-18.3pm/V at 1064 nm
The Shortest SHG Wavelength	425 nm (type I NCPM, y-cut or a-cut)
Phase-Matching Properties:
PM Angle for Room Temperature Type I SHG of Nd:YAG at 1064 nm: q=19°, f=0°
Temperature for type I NCPM SHG of 1064 nm: 188°C (q=0°, z-cut or b-cut)
Temperature for type I NCPM SHG of 946 nm: 185°C (q=90°, f=90°; y-cut or a-cut)
Room Temperature NCPM Wavelength: 982 nm, z-cut or b-cut; 858 nm, y-cut or a-cut
Acceptance Angle for Type I SHG of 1064 nm			Dq = 0.24 mrad-cm (internal)
Acceptance Temperature for Type I SHG of 1064 nm			DT = 0.3°C-cm

Size	2 ~ 10mm Aperture x 0.3 ~ 20mm Length
Wavefront distortion	Better than l/4 @ 633nm
Clear aperture	> 80% central area
Flatness	l/4 @ 633nm
Scratch/Dig Code	Better than 20/10
Parallelism	Better than 20 arc sec.