- Solid State Laser
- Semiconductor Laser
- DPSS laser
- Gas Laser
- Fiber Laser
- Fiber Coupled Laser(MM)
- Fiber Coupled Laser(SM)
- Ultrafast laser
- Femtosecond Laser
- Picosecond Laser
- Pulsed Laser
- Q-switched Laser
- Raman Laser
- Narrow Linewidth Fiber Laser
- Wavelength Tunable Laser
- Laser Diode
- Laser Module
- Pigtailed Laser
- DFB Laser
- DBR Laser
- SLED Laser
- VCSEL Laser
Nd:YAP – Laser Crystal – Gain Medium – Customized Products
Nd:YAP (Nd3+: YAlO3), the structure is distorted perovskite, belonging to oblique hexagonal crystal system, and spatial group is Pbnm, whose axes a, b and c are perpendicular to each other, belongs to negative uniaxial crystals and is anisotropic. Among the numerous neodymium-doped laser crystals, Nd: YAP crystal not only has high thermal conductivity, but also has a larger excited emission cross section at 4F3/2–4 I13/2 transition. They are one of the most effective laser crystals known at present for the high-power operation at the 1300nm, the crystal is mainly pumped by LD. 1300nm lasers are widely used in the field of medicine, optical fiber communication and military. What’ s more, water molecule has good absorption at this laser band. Which makes it have a very good hemostatic ability, and widely used in laser therapy, such as hemostasis, neurosurgery, resection of pathological tissues and wrinkle removal. In addition, Nd: YAP crystal has natural birefringence characteristics, which is very beneficial to overcome the thermal depolarization and nonlinear frequency transformation of laser.
Note:
$100 is a deposit, not the final price of the product. Please contact us for price if needed.
Features
High thermal conductivity
Large excited emission cross section
High laser gain
Low laser threshold
Anisotropy
Material Specifications
| Material | Nd: YAP |
| Orientation | <5° |
| Parallelism | ≤10″ |
| Perpendicularity | ≤5′ |
| Surface Finish | 10-5 (MIL-O-13830A) |
| Wavefront Distortion | λ/8 @ 633nm |
| Surface Roughness | ≤ λ/10 @632.8nm |
| Clear Aperture | >95 % |
| Length Tolerance | +0.5/-0mm |
| Thickness/Diameter Tolerance | ±0.05 mm |
| Damage Threshold | ≥500MW/cm2 |
Physical and Chemical Properties
| Crystal Structure | Orthorhombic– Pbnm |
| Lattice Constant | a=5,176, b=5,307, c=7,355 |
| Density | 5,35 g/cm3 |
| Melting Point | 1870°C |
| Thermal Conductivity | 0,11 W/(cm K) |
| Thermo-optic Coefficient（dn / dT） | na:9.7×10-6 K-1 nc:14.5×10-6 K-1 |
| Thermal Expansion/（10-6 •K-1 @ 25°C） | 9.5 (a axis), 4.3(b axis), 10.8(c axis) |
| Mohs Hardness | 8.5 |
| Shear Modulus/ Gpa | 2.2×1012dyn/cm2 |
| Specific Heat | 400 J/(kg K) |
| Linear Dispersion δn/δT[10-6 K-1] | 9.7 (na) |
Optical and Spectral Properties
| Laser Transition | 4F3/2→4I9/2 930 nm 4F3/2→4I11/2 1079 nm |
| 4F3/2→4I13/2< 1340 nm 4F3/2→4I13/2 1432 nm | |
| Laser Wavelength | 930nm 1079nm 1340nm |
| Fluorescence Lifetime | 170ms |
| Refractive Index@ 1064 nm | na=1,929, nb=1,943, nc=1,952 |
Emission Cross Section
| Wavelength (nm) | Emission Cross Section 10-19cm2 | ||
| a-cut | b-cut | c-cut | |
| 1079 | 2.05 | 1.76 | 1.38 |
| 1340 | 1.13 | 0.97 | 0.78 |
| 1432 | 0.34 | ||
Absorption and Emission Spectra
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