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Description
T-NLC03 - Ø1" Mounted β-BBO Crystal, 0.60 mm Thick, θ = 30.5°, 680 - 900 nm Fund., 340 - 450 nm SHG
β-BBO (beta-BaB2O4) Crystals Optimized for Type-I Second Harmonic Generation (SHG)
Four Wavelength Range Options:
680 - 900 nm (Fundamental) & 340 - 450 nm (SHG)
Ultrathin 700 - 1200 nm (Fundamental) & 350 - 600 nm (SHG)
900 - 1300 nm (Fundamental) & 450 - 650 nm (SHG)
1300 - 1700 nm (Fundamental) & 650 - 850 nm (SHG)
Phase Matching Conditions Specified at or Near Normal Angle of Incidence
Markings on Housing Indicate Rotation Axis and Polarization Orientation
Options Include Crystals Optimized for Ti:Sapphire, Erbium (Er), and Ytterbium (Yb) Lasers
Designed for Use with Femtosecond Laser Pulses
Room Temperature Operation
Crystal Thickness 0.60 mm
Crystal Thickness Tolerance ±0.05 mm
Angle of Optic Axis (θ) 30.5°
Optic Axis Angle (θ) Tolerance ±0.5°
Fundamental Wavelength (1ω) AOI = 0° 770 nm
Fundamental Wavelength (1ω) AOI Tuned 680 - 900 nm
SHG Wavelength (2ω) AOI = 0° 385 nm
SHG Wavelength (2ω) AOI Tuned 340 - 450 nm
Minimum Recommended Focal Spot Size (1/e2 Diameter) 100 µm
Minimum Recommended Pulse Duration (FWHM) 120 fs
Minimum Fundamental Pulse Duration vs. Fundamental Wavelength
Phase Matching Bandwidth (FWHM) 8 nm
Aperture Ø5.0 mm
Clear Aperture >80% of Diameter
Mount Diameter 1" (25.4 mm)
AR Coating Range 340 - 450 nm and 680 - 900 nm
Reflectance Over Coating Range (Avg.) <4% at 0° AOI
Substrate N/A
Laser Induced Damage Threshold 0.5 J/cm2 (800 nm, 98 fs FWHM S-Pol, 104 Pulses)
Surface Quality 20-10 Scratch-Dig
- Transmitted Wavefront Error λ/3 @ 632.8 nm Over Clear Aperture
Damage Threshold Specifications Item # Damage Threshold T-NLC01 0.5 J/cm2 (800 nm, 98 fs FWHM, S-Pol, 104 Pulses) T-NLC02 T-NLC03 T-NLC08 0.8 J/cm2 (800 nm, 100 fs FWHM, S-Pol, 104 Pulses) T-NLC09 T-NLC04 0.3 J/cm2 (1030 nm, 190 fs FWHM, S-Pol, 105 Pulses) T-NLC05 T-NLC06 T-NLC07 0.6 J/cm2 (1550 nm, 52 fs FWHM, S-Pol, 104 Pulses)
Physical and Optical Properties Material β-BBO (beta-BaB2O4) Crystal Structure Trigonal, Space Group R3c Transparency Range 189 - 3500 nm Second-Order Nonlinear Coefficients d21 = 2.2 pm/V
d31 = 0.08 pm/V
d22 = 2.2 pm/VNonlinear Refractive Index (Kerr Index) 4.9 x 10−20 m2/W @ 1032 nm Sellmeier Coefficients Ordinary Ray Extraordinary Ray Thermal Conductivity 1.2 W / m ⋅ K (⊥ C)
1.6 W / m ⋅ K (|| C)Mohs Hardness 4.5 Mohs Density 3.85 g/cm3
| Key Common Specifications | |
|---|---|
| Material | β-BBO (beta-BaB2O4) |
| Aperture | Ø5.0 mm |
| Clear Aperture | >80% of Diameter |
| Transmitted Wavefront Error | λ/3 @ 632.8 nm Over Clear Aperture |
| Surface Quality | 20-10 Scratch-Dig |
| Optic Axis Angle Tolerance | ±0.5° |
| Key Specifications for SHG Applications | ||||
|---|---|---|---|---|
| Item # | T-NLC01 | T-NLC02 | T-NLC03 | |
| Crystal Thickness | 0.15 mm | 0.30 mm | 0.60 mm | |
| Angle of Optic Axis (θ) | 30.5° | |||
| AR Coating Range | 340 - 450 nm and 680 - 900 nm | |||
| Reflectance Over Coating Range (Avg.) | <4% at 0° AOI | |||
| Fundamental Wavelength (1ω) |
AOI = 0° | 770 nm | ||
| AOI Tuned | 680 - 900 nm | |||
|
SHG Wavelength (2ω) |
AOI = 0° | 385 nm | ||
| AOI Tuned | 340 - 450 nm | |||
| Minimum Recommended Focal Spot Size (1/e2 Diameter) |
25 µm | 50 µm | 100 µm | |
| Minimum Recommended Pulse Duration (FWHM) | 30 fs | 60 fs | 120 fs | |
| Phase Matching Bandwidth (FWHM) | 34 nm | 17 nm | 8 nm | |
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