Tm:YAP

Tm:YAP

Supplier
Crylink
Category
Laser Crystals
Origin
China

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

ParameterValue
Crystal StructureOrthorhombic – Pbnm
Lattice constanta = 0.5138 nm,b = 0.5274 nm, c = 0.7308 nm
Melting point1870 °C
Density5.35 g/cm³
Mohs hardness8.5
Specific heat capacity400 J/(kg ·K)
Thermal conductivity11W/(m·K)
Refractive Index [@632 nm]nₐ=1.91,n_b=1.92,n_c=1.94
Optical transitions³F₄→³H₆
Absorption cross section3.7~8.5×10⁻²¹cm²
Fluorescence lifetime4.4~7.7ms
Emission cross section5~6×10⁻²¹cm²
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 concentrationTm: 0.2~15at%
Orientation[010] or [100](Pnma)within 5°
Rod dimensionsDiameter 2~10mm, length 2~100mm
Wavefront distortion [@632.8nm]≤0.125λ/25mm@632.8nm
Extinction ratio≥25dB
Dimensional toleranceDiamter:+0.00/-0.04, length: ±0.5mm
Parallelism≤10″
Perpendicularity≤5′
Flatness [@632.8nm]λ/8@632.8nm
Surface Quality10/5 (MIL-O-13830A)
Chamfer0.15±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
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Supplier Information

Cr
Crylink
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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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