Tm:YAP
Our Tm:YAP crystal, or thulium-doped yttrium aluminate (Tm:YAlO₃), is a laser-crystal material with excellent overall performance. It offers high laser-output efficiency, stable physical and chemical properties, and linearly polarized emission. It is widely used in laser medicine, military equipment and atmospheric remote sensing, particularly in lidar systems and medical laser equipment.
Specification Snapshot
Crystal Structure
Orthorhombic – Pbnm
Surface Quality
10/5 (MIL-O-13830A)
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Overview
Our Tm:YAP crystal, or thulium-doped yttrium aluminate (Tm:YAlO₃), is a laser-crystal material with excellent overall performance. It offers high laser-output efficiency, stable physical and chemical properties, and linearly polarized emission. It is widely used in laser medicine, military equipment and atmospheric remote sensing, particularly in lidar systems and medical laser equipment.
Specifications
| Parameter | Value |
|---|---|
| Crystal Structure | Orthorhombic – Pbnm |
| Lattice constant | a = 0.5138 nm,b = 0.5274 nm, c = 0.7308 nm |
| Melting point | 1870 °C |
| Density | 5.35 g/cm³ |
| Mohs hardness | 8.5 |
| Specific heat capacity | 400 J/(kg ·K) |
| Thermal conductivity | 11W/(m·K) |
| Refractive Index [@632 nm] | nₐ=1.91,n_b=1.92,n_c=1.94 |
| Optical transitions | ³F₄→³H₆ |
| Absorption cross section | 3.7~8.5×10⁻²¹cm² |
| Fluorescence lifetime | 4.4~7.7ms |
| Emission cross section | 5~6×10⁻²¹cm² |
| Emission wavelength [@a-axis,1.94mm@ b-axis] | 1.98mm@ a-axis,1.94mm@ b-axis |
| Diode-pump wavelength [@a-axis,793.5nm@ b-axis] | 794.8nm@ a-axis,793.5nm@ b-axis |
| Doping concentration | Tm: 0.2~15at% |
| Orientation | [010] or [100](Pnma)within 5° |
| Rod dimensions | Diameter 2~10mm, length 2~100mm |
| Wavefront distortion [@632.8nm] | ≤0.125λ/25mm@632.8nm |
| Extinction ratio | ≥25dB |
| Dimensional tolerance | Diamter:+0.00/-0.04, length: ±0.5mm |
| Parallelism | ≤10″ |
| Perpendicularity | ≤5′ |
| Flatness [@632.8nm] | λ/8@632.8nm |
| Surface Quality | 10/5 (MIL-O-13830A) |
| Chamfer | 0.15±0.05mm |
| AR Coating Reflectance | ≤0.25% |
Applications
Laser medical applications; Lidar systems; Atmospheric remote sensing
Key Features
Good physical and chemical properties; linearly polarized laser emission; high-efficiency laser output; highest local absorption in the infrared region.
Datasheet
Product Datasheet
PDF
Supplier Information
Shanghai Crylink Technology Co., Ltd. was jointly established by Shanghai Yangtze Delta Innovation Institute, Baoshan District state-owned platform, and Dr. Yongjun Dong's team. Located in Baoshan High-tech Industrial Park, the company focuses on R&D and production of laser materials and devices. Main products include laser crystals, nonlinear crystals, bonded crystals, and devices, with full-chain capabilities from crystal growth, optical polishing, laser coating to device packaging. Its subsidiary, Nanjing Guangbao Optoelectronics Technology Co., Ltd., operates the 'Meta-laser' and 'Guangbao Optoelectronics' brands. Products are widely used in laser processing, medical aesthetics, LiDAR, optical communications, defense, scientific research, aerospace, and other fields.
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