Ti:Sapphire Crystal (Titanium-doped Sapphire)
- Broad tunable laser output: 650–1100 nm
- Peak emission wavelength around 800 nm
- Wide absorption band: 400–600 nm (pumpable by 514–532 nm green lasers)
- Extremely broad gain bandwidth – ideal for femtosecond pulses
- High damage threshold and chemical stability
- Excellent thermal conductivity and optical quality
- Supports ultrashort pulse generation (<10 fs)
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Description
Ti:Sapphire (Titanium-doped Sapphire, Ti³⁺:Al₂O₃) is a tunable laser crystal widely recognized for its ultrafast and high-power laser capabilities. It is the most common gain medium for femtosecond lasers, offering a broad tunable range from 650 nm to 1100 nm, with peak emission around 800 nm.
Thanks to its wide bandwidth, high thermal conductivity, and excellent optical properties, Ti:Sapphire is the preferred choice for ultrashort pulse lasers in research, medical, and industrial applications. It supports both continuous-wave (CW) and ultrafast mode-locked operation.
Key Features
- Broad tunable laser output: 650–1100 nm
- Peak emission wavelength around 800 nm
- Wide absorption band: 400–600 nm (pumpable by 514–532 nm green lasers)
- Extremely broad gain bandwidth – ideal for femtosecond pulses
- High damage threshold and chemical stability
- Excellent thermal conductivity and optical quality
- Supports ultrashort pulse generation (<10 fs)
Applications
- Scientific Research: Femtosecond and attosecond spectroscopy, pump-probe experiments
- Biomedical Imaging: Multiphoton microscopy, fluorescence imaging
- Material Processing: Micro/nano fabrication with ultrashort pulses
- Nonlinear Optics: Supercontinuum generation, optical parametric amplification (OPA)
- Laser Pumping: Seed sources for regenerative and chirped-pulse amplification (CPA) systems
Technical Specifications
| Chemical Formula | Ti³⁺:Al₂O₃ (Titanium-doped Sapphire) |
| Crystal Structure | Trigonal, space group R3c |
| Wavelength Range | 650 – 1100 nm (tunable) |
| Peak Emission | ~800 nm |
| Pump Wavelength | 514 – 532 nm (green laser) |
| Absorption Bands | 400 – 600 nm |
| Refractive Index | ~1.76 @ 800 nm |
| Fluorescence Lifetime | ~3.2 μs |
| Thermal Conductivity | ~35 W/m·K |
| Density | 3.98 g/cm³ |
| Mohs Hardness | 9.0 |
| Typical Doping Level | 0.06 – 0.3 at.% Ti³⁺ |
| Orientation | a-axis or c-axis cut |
| Surface Finish | Laser-grade polished (10/5 S/D typical) |
| Typical Sizes | φ3 – 20 mm; Length: 3 – 100 mm (customizable) |
Customization Options
Tinsan Materials offers Ti:Sapphire crystals tailored to ultrafast and tunable laser applications:
- Doping Levels: Typical range 0.06–0.3 at.% Ti³⁺
- Crystal Orientation: a-axis or c-axis depending on thermal management needs
- Coatings: Custom anti-reflection coatings at pump (532 nm) and lasing (800 nm) wavelengths
- Mounting: Bare crystal or pre-mounted in copper heat sinks
- Size Customization: Various dimensions to meet energy and mode profile requirements
Technical Support
Tinsan Materials provides expert support throughout the product life cycle:
- Crystal selection and doping consultation
- Pump-laser and cavity matching advice
- AR coating design for specific laser setups
- Post-installation performance optimization and guidance
Ordering & Contact Information
We offer flexible MOQ (Minimum Order Quantity), competitive pricing and global shipping. For custom orders or technical inquiries, please contact us for a detailed consultation!
