Specifications:
Dimensional Tolerance | ±0.1mm |
Angle Tolerance | ±0.5deg |
Surface Quality | 20/10 Scratch and Dig |
Clear Aperture | >90% |
Surface Flatness | <λ/8@633nm |
Wavefront Distortion | <λ/4@633nm |
Parallelism | <20 arc seconds |
Perpendicularity | <5 arc minutes |
AR Coating | R<0.25%@central wavelength |
Physical and Optical Properties:
Crystal Structure | Trigonal, space group R3c |
Cell Parameters | a = 0.515A, c = 13.863A, Z = 6A |
Melting Point | 1255±5oC |
Curie Point | 1140±5oC |
Mohs Hardness | 5 |
Density | 4.64 g/cm3 |
Absorption Coefficient | ~ 0.1%/cm@1064nm |
Solubility | insoluble in water |
Relative Dielectric Constant | eT11/e0: 85 |
Thermal Expansion Coefficients(@25oC) | ||a, 2.0 x 10-6/K ||c, 2.2 x 10-6/K |
Thermal Conductivity | 38 W /m /K @ 25oC |
Transparency Range | 420-5200nm |
Optical Homogeneity | ~5 x 10-5 /cm |
Sellmeier Equations( λ in um) | no2= 4.9048+0.11768/(λ2 - 0.04750) - 0.027169λ2 ne2= 4.5820+0.099169/(λ2- 0.04443) - 0.021950λ2 |
NLO Coefficients | d33 = 34.4 pm/V d31 = d15 = 5.95 pm/V d22 = 3.07 pm/V |
Electro-Optic Coefficients | gT33 = 32 pm/V, gS33 = 31 pm/V gT31 = 10 pm/V, gS31 = 8.6 pm/V gT22 = 6.8 pm/V, gS22 = 3.4 pm/V |
Half-Wave Voltage, DC | Electrical field ||z, light ⊥z 3.03 KV |
Efficiency NLO Coefficients | deff=5.7pm/V or~14.6xd36(KDP) for frequency doubling 1300nm; deff=5.3pm/V or~13.6xd36(KDP) for OPO pumped at 1300nm; deff=17.6pm/V or~45xd36(KDP) for quasi-phase-matched structure; |
Damage Threshold | 200 MW/cm2 |