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In-house Made Large Size LBO
WISOPTIC Capabilities -LBO
• Large aperture: max 20x20 mm
• Various size: max length 60 mm
• End configuration: flat, or Brewster, or specified
• High transmittance: AR coating with R<0.1% (at 1064/532nm)
• Mounting: upon request
• Very competitive price
LBO (LiB3O5) is an excellent non-linear crystal of Borate-family following BBO. LBO has advantages of good ultraviolet transmittance (210-2300 nm), high laser damage threshold and large effective frequency doubling coefficient (about 3 times of KDP crystal). Therefore LBO is commonly used to produce high power second and third harmonic laser light, especially for ultraviolet lasers.
LBO has large band gap and transparency region, high non-linear coupling, good chemical and mechanical properties. These features make LBO suitable for optical parametric processes (OPO/OPA) and noncritical phase matching (NCPM).
WISOPTIC Standard Specifications* - LBO
Dimension Tolerance | ± 0.1 mm |
Angle Tolerance | < ± 0.25° |
Flatness | < λ/8 @ 632.8 nm |
Surface Quality | < 10/5 [S/D] |
Parallelism | < 20” |
Perpendicularity | ≤ 5' |
Chamfer | ≤ 0.2mm @ 45° |
Transmitted Wavefront Distortion | < λ/8 @ 632.8 nm |
Clear Aperture | > 90% central area |
Coating | AR coating or Broad Band AR-coating R<0.1% @ 1064 nm, R<0.1% @ 532 nm, R<0.5% @ 355 nm |
Laser Damage Threshold | > 10 GW/cm2 for 1064nm, 10ns, 10Hz (polished only) |
* Products with special requirement upon request. | |
