LiNbO₃ Electro-Optic Q-Switch

Standard Specifications:

Material : LiNbO₃ single crystal, optical grade
Standard Sizes: 6x6x30 mm, 7x7x25 mm, 9x9x25 mm
( other sizes are available on request)
Orientation: Parallel to X, Y,Z axes +/-10 arc. min.
Side faces G are fine Ground
Polish Quality for aperture faces A: 10/5 Scratch/Dig per MIL-0-13830
Flatness: l/10 at 632.8 nm
Parallelism: < 10 arc.sec.
Clear Aperture: central 90%
Chamfers: 0.2-0.3 mm @ 45 deg
AR coating: R< 0.2 % per surface at 1064 nm
( other wavelengths are available on request)
Electrodes: Gold/Chromium on X-faces
Wavefront Distortion: < λ/4 for singe pass at 632.8 nm
Passive Extinction: > 20 dB (100:1) at 632.8 nm
> 23 dB available on request
Optical Damage Threshold: > 200 MW/cm² at 1064 nm, 10-20 ns pulse length
Halfwave Voltage at 632.8 nm: ~ 4000 V · A/L
         1) here L is crystal length and A is aperture size
         2) halfwave voltage increases approximately linearly with wavelength