LN (Lithium Niobate) crystal is one of the most thoroughly characterized nonlinear optical materials and suitable for a variety of frequency conversion applications. For example, it is widely used as frequency doublers for wavelength >1μm and optical parametric oscillators (OPOs) pumped at 1064 nm as well as quasi-phase-matched (QPM) devices. Due to its large E-O and A-O coefficients, LiNbO3 crystal is commonly used for Pockels cells, Q-switches, phase modulators, waveguide substrate, and surface acoustic wave wafers, etc.
MgO doped LN (typical doping: 5%) is developed to reduce the photorefractive effect of the intrinsic material and therefore can be used for higher energy applications.
|Standard Doping Ratio||MgO% = 5%|
|Dimension Tolerance||± 0.1 mm|
|Angle Tolerance||< ± 0.5°|
|Flatness||< λ/8 @ 633 nm|
|Surface Quality||< 20/10 [S/D]|
|Wavefront Distortion||< λ/4 @ 633 nm|
|Clear Aperture||> 90% central area|
|Coating||AR-coating: @ 1064nm（R<0.2%）; @ 532nm（R<0.5%）|
|Laser Damage Threshold||> 100 MW/cm2 for 1064nm, 10ns, 10Hz (uncoated)|