BBO Crystal
Among nonlinear optical crystals, BBO (β-BaB2O4) offers strong overall advantages and good performance, with an extremely broad transmission range, a relatively large phase-matching angle, a high optical-damage threshold, a broad temperature-matching range and excellent optical homogeneity.
Save to Favorites
Overview
Specifications
| Parameter | Value |
|---|---|
| 面尺寸（宽x高） | 1×1~25×25 mm |
| 长度 | 0.005~25 mm |
| 相位匹配角（θ, φ） | Specified angle or as required by the customer |
| 相位匹配类型 | Type I or Type II |
| 角度公差 | Δθ<±0.2°；Δφ<±0.2° |
| 尺寸公差 | (Width ±0.1mm) × (height ±0.1mm) × (length +0.2mm / -0.1mm) |
| 面型 λ [@633nm] | <λ/8 @ 633nm |
| 表面光洁度 | 20/10 |
| 平行度 | <30″ |
| 垂直度 | <10′ |
| 波前畸变 λ [@633nm] | <λ/8 @ 633nm |
| 通光口径 | >90% |
| 镀膜 | Polarizing film or as required by the customer |
| 晶体结构 | Trigonal crystal system ， Space group R3c |
| 晶格Parameters | a = b = 12.532Å，c = 12.717Å，Z = 6 |
| 熔点 | 1095 ±5°C |
| 相变温度 | 925 ±5°C |
| 光学均匀性 | Δn ≈10⁻⁶ /cm |
| 莫氏硬度 | 4.5 |
| 密度 | 3.85 g/cm³ |
| 吸收系数 [@1064 nm；@1064 nm）] | <0.1%/cm（@1064 nm） |
| 潮解性 | Low |
| 电阻率 | >10¹¹ Ω·cm |
| 相对介电常数 | εT11/ε0 = 6.7, εT33/ε0 = 8.1, dielectric loss Tan δ < 0.001 |
| 热膨胀系数 [25℃-900℃] | a direction: 4×10⁻⁶/K; c direction: 36×10⁻⁶/K |
| 热导率 | Perpendicular to c: 1.2 W/m/K; parallel to c: 1.6 W/m/K |
| 相位匹配输出波长 | 205 nm – 1750 nm |
| 非线性光学系数 | d11 = 5.8 × d36(KDP)，d31 = 0.05 × d11，d22 < 0.05 × d11 |
| 激光损伤阈值 [1.064 μm / 10 ns] | 5 GW/cm²（10 ns） |
| 激光损伤阈值 [1.064 μm / 1.3 ns] | 10 GW/cm²（1.3 ns） |
| 激光损伤阈值 [0.532 μm / 10 ns] | 1 GW/cm²（10 ns） |
| 激光损伤阈值 [0.532 μm / 250 ps] | 7 GW/cm²（250 ps） |
| 透过波段 | 189 – 3500 nm |
| 折射率 [@1.0642 μm] | ne = 1.5425，no = 1.6551 |
| 折射率 [@0.5321 μm] | ne = 1.5555，no = 1.6749 |
| 折射率 [@0.2660 μm] | ne = 1.6146，no = 1.7571 |
| 热光系数 | dno/dT = -9.3 × 10⁻⁶ /℃，dne/dT = -16.6 × 10⁻⁶ /℃ |
| Sellmeier 方程 | no²(λ) = 2.7359 + 0.01878/(λ² – 0.01822) – 0.01354λ²；ne²(λ) = 2.3753 + 0.01224/(λ² – 0.01667) – 0.01516λ² |
Applications
Key Features
Datasheet
Please provide your email to download the datasheet.
Invalid email format. Please try again.
Supplier Information
Related Products
-
Calcite Crystal
Optical Crystals
Astarphotonics
尺寸: Max 30~45 mm 长度: Max 25~35 mm 表面质量: 20/10
Iceland spar is a birefringent crystal, a carbonate mineral and the most stable form of calcium carbonate (CaCO3). It is a negative uniaxial crystal, mainly used in visible and near-infrared polarizers. Its rhombohedral structure provides high birefringence and broad spectral transmission.
-
KDP Crystal & DKDP Crystal
Optical Crystals
Astarphotonics
Name [运行：SHG (II) / 输入：1064 nm / 输出：532 nm]: 53.7° 运行 [Name：53.7° / 输入：1064 nm / 输出：532 nm]: SHG (II) 输入 [Name：53.7° / 运行：SHG (II) / 输出：532 nm]: 1064 nm
KDP is potassium dihydrogen phosphate, while DKDP is potassium dideuterium phosphate. They are widely used for second-, third- and fourth-harmonic generation in Nd:YAG and Nd:YLF lasers.
-
KTA Crystal
Optical Crystals
Astarphotonics
尺寸公差: ±0.1 mm 面型 λ [@633nm]: <λ/8 @633nm 平行度: <30″
KTA (KTiOAsO4), potassium titanyl arsenate, is an excellent nonlinear material for optical parametric oscillators (OPOs). OPOs based on KTA/KTiOAsO4 provide high reliability and conversion efficiency up to 50%. KTA/potassium titanyl arsenate has ultralow absorption over 2-5μm and a very high damage threshold.
-
Crystal products
Optical Crystals
Glitteroptic
直径: 10mm~600mm R值范围: R10mm-R3000mm 外形公差: ≥+-0.005mm
Glitteroptic customizes optical components from various crystal materials to customer drawings. Laser, ultraviolet and infrared crystals include CaF2, MgF2, BaF2, LiF2, YAG, YVO4, ZnSe, ZnS, Ge, Si and Sapphire.
Related Articles
VCSEL, short for Vertical Cavity Surface Emitting Laser, is a widely used semiconductor laser component in modern optoelectronics. Unlike traditional edge-emitting lasers, VCSEL emits laser light vertically from its chip surface. Thanks to its low power consumption, stable beam quality, low cost, and easy integration, it has become the core light source for 3D sensing, wearable devices, and high-speed optical communication.
Medical disposable‑device manufacturers have long demanded high‑performance interconnect accessories for single‑use equipment. The newly‑launched REDEL‑P disposable‑connector family addresses this requirement and delivers premium‑grade electrical connections for varied one‑time‑use medical instruments.
On January 21, 2026, SPIE Photonics West, one of the world’s leading photonics events, was held in San Francisco, USA. RaySea presented its latest self‑developed VCSEL achievements at this prestigious exhibition. Dr. Lai, the company’s senior R&D representative, delivered a technical speech during the dedicated VCSEL session. His presentation covered cutting‑edge progress of in‑house multi‑junction VCSEL solutions built for automotive lidar and embodied‑intelligence robots, drawing strong attention from the global photonics community.
Shandong Optochip specializes in independent R&D of industrial-grade optical chips for optical communication and fiber sensing. Our business includes overseas chip tape-out, domestic precision device packaging
Loading...
Name
Phone
Organization
Use Case
Database Platform