We supply precision Barium Borate (BBO) crystals, one of the most important nonlinear optical (NLO) materials used in laser and photonics applications. BBO crystals combine high nonlinear efficiency, broad transmission range, and excellent phase-matching capabilities, making them ideal for frequency conversion and advanced optical research. Key Features: Optical Transmission: 190 nm – 3.5 µm (UV to near IR) High Nonlinear Coefficient: Efficient for SHG, THG, and OPA/OPG processes Wide Phase-Matching Range: Enables flexible frequency conversion High Damage Threshold: Suitable for high-power and ultrafast lasers Low Absorption & Low Inclusions: Ensures stable, high-quality performance Available Forms: Crystals, lenses, and custom-cut optics Applications: Frequency doubling (SHG) of Nd:YAG and Ti:sapphire lasers Generation of UV and visible light from IR sources Optical parametric oscillators (OPO) and amplifiers (OPA) Electro-optic modulators and nonlinear optical experiments Laser spectroscopy and photonics R&D Frequently Asked Questions — BBO Crystal What is a BBO crystal used for? BBO (β-Barium Borate) is a nonlinear optical crystal widely used for frequency conversion such as second-harmonic generation (SHG), third-harmonic generation (THG), optical parametric oscillation (OPO), and optical parametric amplification (OPA) in laser and photonics systems. What wavelength range does BBO support? BBO crystals have a broad optical transmission range from approximately 190 nm to 3.5 µm, covering deep-UV, visible, and near-infrared wavelengths. How does BBO compare with LBO? BBO offers a higher nonlinear coefficient and better UV transparency, while LBO provides higher damage threshold, lower hygroscopicity, and better thermal stability. BBO is often preferred for UV generation, whereas LBO is favored for high-power and long-term operation. Is BBO suitable for ultrafast and high-power lasers? Yes. BBO has a high laser damage threshold and wide phase-matching range, making it suitable for both high-peak-power pulsed lasers and ultrafast femtosecond laser systems. Is BBO hygroscopic? BBO is mildly hygroscopic. Proper storage, dry handling environments, and optional protective coatings are recommended for long-term stability. What crystal orientations and cuts are available? We provide BBO crystals with custom phase-matching orientations, including Type I and Type II configurations, optimized for your target wavelength and laser system. Do you offer custom sizes and optical coatings? Yes. Custom dimensions, optical-grade polishing, and AR coatings for UV, visible, or IR wavelengths are available upon request. Are BBO crystals suitable for research and OEM use? Absolutely. Our BBO crystals are supplied to universities, research laboratories, and laser OEMs for both R&D and production-level applications. .product-faq { margin-top: 48px; } .product-faq h2 { font-size: 1.4rem; margin-bottom: 22px; } .product-faq details { border: 1px solid #e5e5e5; border-radius: 8px; margin-bottom: 12px; padding: 14px 18px; background: #fafafa; } .product-faq details[open] { background: #ffffff; } .product-faq summary { font-weight: 600; cursor: pointer; list-style: none; position: relative; padding-right: 28px; } .product-faq summary::after { content: "+"; position: absolute; right: 0; top: 0; font-size: 18px; } .product-faq details[open] summary::after { content: "–"; } .product-faq summary::-webkit-details-marker { display: none; } .product-faq .faq-content { margin-top: 12px; color: #555; line-height: 1.65; }
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