Bismuth Borate Crystal | BIBO Crystal

Data sheet

Density	5.033 g/cm³
Materials	BIBO
Melting Piont	726 ℃
Molecular Formula	BiB3O6

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Bismuth Borate (BIBO) Crystal is a high-performance nonlinear optical material, known for its large effective nonlinear optical coefficient, which is 3.5-4 times higher than LBO crystals and 1.5-2 times higher than BBO crystals. It also boasts a high damage threshold and excellent resistance to deliquescence, making it ideal for use in harsh environments. BIBO crystals are highly effective in frequency doubling applications, especially for blue laser generation, offering significant advantages over other nonlinear crystals. Heeger Materials (HM) provides high-quality Bismuth Borate (BIBO) crystals for advanced laser and nonlinear optical applications.

Bismuth Borate Crystal | BIBO Crystal

Bismuth Borate Crystal Specifications

Size Tolerance	(W±0.1 mm) × (H±0.1 mm) × (L+0.5/-0.1 mm) (L≥2.5 mm) (W±0.1 mm) × (H±0.1 mm) × (L+0.1/-0.1 mm) (L＜2.5 mm)
Effective Aperture	90% Central Area
Surface Quality	10/5 Referencing MIL-PRF-13830B Standard
Flatness	λ/8 @ 633 nm
Transmitted Wavefront Distortion	λ/8 @ 633 nm
Parallelism	20″
Perpendicularity	≤15′
Angle Tolerance	Δθ≦0.25°, ΔФ≦0.25°
Edge Chips	≦0.1 mm
Chamfer	≦0.2 mm×45°
Damage Threshold	＞0.3 GW/cm² @ 1064 nm, 10 ns, 10 Hz (Anti-Reflective Coating)

Bismuth Borate Crystal Chemical and Structural Properties

Crystal Structure	Monoclinic System, Point Group C2-2
Unit Cell Parameters	a = 7.116 Å, b = 4.993 Å, c = 6.508 Å, β = 105.62°, Z = 2
Melting Point	726 ℃
Mohs Hardness	5-5.5 Mohs
Density	5.033 g/cm³
Thermal Expansion Coefficient	αa = 4.8×10⁻⁵ /K, αb = 4.4×10⁻⁶ /K, αc = -2.69×10⁻⁵ /K

Bismuth Borate Crystal Optical and Nonlinear Optical Properties

Transmission Band	286-2500 nm
Absorption Coefficient	＜0.1%/cm @ 1064 nm
Physical Axis	X∥b, (Z, a) = 31.6°, (Y, c) = 47.2°
1064/532 nm Second Harmonic Generation (SHG)	Phase-Matching Angle	Angle with Z-axis 168.9°, YZ Plane
	Coefficient	3.0±0.1 pm/V
	Acceptance Angle	2.32 mrad•cm
	Walk-off Angle	25.6 mrad
	Temperature Bandwidth	2.17 ℃•cm
Sellmeier Coefficient	n2i(λ) = A + B/(λ² - C) - Dλ² (λ unit µm)
	A	B	C	D
n1	3.6545（4）	0.0511（2）	0.0371（3）	0.0226（1）
n2	3.0740（3）	0.0323（1）	0.0316（3）	0.01337（6）
n3	3.1685（3）	0.0373（1）	0.0346（3）	0.01750（8）

Bismuth Borate Crystal Coating

Coatings can be applied for BIBO crystal's second and third harmonic generation with dual-wavelength and triple-wavelength antireflection coatings.
Coatings can be applied for wideband antireflection coatings (BBAR-coating) or protective coatings (P-coating) for BIBO-OPO systems.
Low reflectance.
Long lifespan.
Custom coating services are available.

Bismuth Borate Crystal Key Advantages

High laser damage threshold
Large nonlinear optical coefficient
Stable physical and chemical properties

Bismuth Borate Crystal Applications

Frequency Doubling for Nd: YAG Lasers: BIBO crystals are used for frequency doubling of Nd: YAG lasers, including at 946 nm, to generate higher-frequency outputs.
Frequency Generation for Nd: YVO4 Lasers: BIBO crystals are used for generating 593.5 nm by frequency conversion of Nd: YVO4 lasers at 1064 nm and 1342 nm.
Optical Parametric Oscillators (OPO): BIBO is an effective nonlinear crystal for optical parametric oscillators, providing tunable wavelengths in various applications.
Blue Light Generation: BIBO crystals are ideal for generating blue light through frequency doubling, making them suitable for blue laser applications.
High-Efficiency Frequency Conversion: BIBO is used in high-efficiency frequency conversion processes, including second and third harmonic generation, due to its high nonlinear optical coefficient.

Bismuth Borate Crystal Packing And Shipping

Bismuth Borate (BIBO) Crystal will be securely packaged in sturdy containers with cushioning materials to prevent movement or damage during shipping. This careful packaging ensures that the product arrives in perfect condition, maintaining its high-quality standards throughout the delivery process.

Bismuth Borate Crystal | BIBO Crystal Packing

Where to Buy Bismuth Borate Crystal in Bulk?

Heeger Materials Inc., a professional supplier and manufacturer of high-quality Nonlinear Crystals products including Bismuth Borate (BIBO) Crystal, leverages extensive expertise in supply and export to offer competitive prices. We provide customized solutions to meet specific requirements, ensuring exceptional quality and customer satisfaction.

Heeger Materials Inc. was established in 2016 in Colorado, USA. We specialize in premium-grade metals, alloys, ceramics, powders, and other materials catering to research, development, and large-scale industrial production in scientific and industrial sectors.

Nonlinear Crystal Stock Models

Nonlinear Crystal Type	BBO, ß-BaB₂O₄	KTP, KTiOPO₃	LBO, LiB₃O₅	BIBO, BiB₃O₆	CLBO, CsLiB₆O₁₀
Transmission Range (nm)	190-3500	350-4500	160-2600	286-2500	180-2750
SHG Phase-Matching Range (nm)	409.6-3500 (Type I) 25-3500 (Type II)	994-2000 (Type II)	551-2600 (Type I) 790-2150 (Type II)	574-2480	473-2750 (Type I) 636-2750 (Type II)
Effective Nonlinear Coefficient deff SHG 1064 nm [pm/V]	2.14 (Type I) 1.47 (Type II)	4.03 (Type II)	0.82 (Type I)	3.34	0.9 (Type I, 4HG) 1.19 (Type I, 5HG) 0.95 (Type II)
Absorption Coefficient [%/cm]	<0.1@1064nm <1@532nm	<0.1@1064nm <1@532nm	<0.1@1064nm <0.3@532nm	<0.1@1064nm	<0.03@1064nm <0.1@532nm
Acceptance Angle SHG 1064 nm [mrad/cm]	0.8 (Type I) 1.27 (Type II)	14.2 (φ) 55.3 (θ)	6.54 (Type I) 15.27 (Type II)	1.03 (ee-o)	0.45 (Type I, 4HG) 0.42 (Type I, 5HG) 1.90 (Type II)
Walk-off Angle SHG 1064 nm [mrad]	55.6 (Type I) 69.4 (Type II)	4.87 (Type II)	6.7 (Type I) 6.4 (Type II)	24.5 (Type I)	7.85 (Type I, 4HG) 7.33 (Type I, 5HG) 33.1 (Type II)
Acceptance Temperature SHG 1064 nm [°C/cm]	70	24	6.7 (Type I) 7.5 (Type II)	2.17	8.30 (Type I, 4HG) 4.60 (Type I, 5HG) 43.1 (Type II)
Acceptance Spectrum	1.1	0.56	1.0 (Type I) 1.3 (Type II)	0.96 (ee-o)	0.13 (Type I, 4HG) 0.16 (Type I, 5HG) 5.60 (Type II)

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