NONLINEAR OPTICAL CRYSTALS
BBO Nonlinear Optical Crystal
High-performance Beta-Barium Borate (β-BaB₂O₄) nonlinear optical crystals for frequency conversion, ultrafast laser systems and advanced UV-to-IR photonics applications.
BBO crystal material supplied by Yueneng Optoelectronics.
TECHNICAL DATA
Material Properties & Parameters
BBO combines a broad transparency range with strong nonlinear optical performance and Type I and Type II phase-matching capabilities, making it suitable for demanding frequency-conversion and ultrafast laser applications.
​BBO crystal material supplied by Yueneng Optoelectronics
Chemical Formula
β-BaB₂O₄
Crystal Structure
Trigonal, Space Group R3c
Transparency Range
190–3500 nm
SHG Phase-Matchable Range
409.6–3500 nm (Type I)
Type II SHG Range
525–3500 nm
Mohs Hardness
4
Density
3.85 g/cm³
Melting Point
Approx. 1095 °C
Frequency Conversion & Laser Applications
Harmonic Generation
BBO supports second, third and fourth harmonic generation and can also be used for fifth harmonic generation in suitable laser configurations.
Ultrafast Laser Systems
BBO is well suited to frequency doubling and tripling of ultrashort-pulse lasers and is widely used in ultrafast nonlinear optical systems.
Tunable & UV Laser Systems
BBO's broad transparency and phase-matching capabilities support tunable laser, OPO/OPA and ultraviolet frequency-conversion applications.
MANUFACTURING CAPABILITY
BBO Crystal Growth & Processing
Yueneng's nonlinear optical crystal manufacturing capabilities support BBO crystal growth and subsequent processing for specialised laser and photonics applications. Crystal orientation, cutting, polishing and coating requirements can be coordinated according to specific optical system requirements.
Crystal growth process equipment at Yueneng's production facility.
PROCESSING CAPABILITY
Optical & Processing Specifications
BBO crystals can be processed to meet demanding optical and nonlinear laser system requirements, with precision control of surface quality, flatness, alignment and crystal orientation.
Clear Aperture
Central 90%
Surface Quality
10/5 (Scratch/Dig)
Flatness
≤ λ/8 @ 633 nm
Transmitted Wavefront Distortion
≤ λ/8 @ 633 nm
Parallelism
20 arc sec
Angle Tolerance
Δθ ≤ 0.25°, ΔΦ ≤ 0.25°
Additional dimensions, coatings and processing requirements are available for discussion based on the application.
Discuss Your BBO Requirements
Tell us about your wavelength, crystal dimensions, orientation, coating requirements and laser application. NI International will coordinate your requirements with Yueneng for suitable BBO crystal solutions.