60-40 AR Coating Yag Laser Crystals 1064 Nm Mechanical Thermal
Low Loss at 1064 nm, High Optical Quality , Good Mechanical and Thermal Properties Laser Crystal Nd:YAG
Description:
Invented in the sixties of the last century, Nd:YAG has been and continue to be the most widely used laser crystal for solid-state crystal material. Its laser parameters are a good compromise between the strengths and weaknesses of its competition. Nd:YAG crystals are used in all types of solid-state lasers. Compared with others laser crystals, its fluorescence lifetime is twice more than Nd:YVO4 , and thermal conductivity is also better.
Features:
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High Gain, Low Threshold, High Efficiency;
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Low Loss at 1.06 mm, High Optical Quality;
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Good Mechanical and Thermal Properties;
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Due to the cubic symmetry and high quality, Nd:YAG is easy to operate with TEM00 mode.
Applications:
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Nd:YAG can produce blue laser with the frequency-doubling of 946nm;
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Nd:YAG can be operated in a very high power laser up to kw level at 1064nm;
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Nd:YAG can be Q-switched with Cr4+YAG directly;
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Nd:YAG can be used for high power green laser for SHG@1064nm.
Specifications
| Nd Dopant Level | 0.5-1.1atm% |
| Orientation | <111>crystalline direction (±0.5deg) |
| Dimension Tolerances | Diameter: ±0.05mm |
| Length: ±0.5mm | |
| Surface Quality | 10/5 Scratch and Dig |
| Clear Aperture | >90% |
| Surface Flatness | <λ/10@633nm |
| Wavefront Distortion | <λ/8@633nm |
| Parallelism | <10 arc seconds |
| Perpendicularity | <5 arc minutes |
| Chamfer | <0.1mmx45° |
| AR Coating | Reflectivity R<0.25%@1064 nm per surface Damage threshold over 750 MW/cm2@1064nm, 10 ns and 10 Hz |
| HR Coating | Standard R>99.8%@1064nm and R<5%@808nm, Other coatings are available per your request |
| Extinction Ratio | Rods with diameter from 3 mm to 6.35 mm and with length to 100 mm: >30dB Rods with diameter from 7 mm to 10 mm and with length to 100 mm: >28dB |
Physical Properties
| Chemical Formula | Nd:Y3Al5O12 |
| Crystal Structure | Cubic |
| Lattice Constants | 12.01 |
| Concentration | ~1.2 x 1020 cm-3 |
| Melting Point | 1970℃ |
| Density | 4.56 g/cm3 |
| Mohs Hardness | 8.5 |
| Refractive Index | 1.82 |
| Thermal Conductivity | 14 W/m /K @20℃, 10.5 W /m /K @100℃ |
| Thermal Expansion Coefficient | 7.8 x 10-6/K [111], 0-250℃ |
Optical Properties
| Pump Wavelength | 807.5nm |
| Lasing Wavelengths | 1064nm |
| Photon Energy | 1.86x10-19J@1064nm |
| Stimulated Emission Cross-Section | 2.8x10-19 cm2 |
| Radiative Lifetime | 550us |
| Spontaneous Fluorescence | 230us |
| Loss Coefficient | 0.003cm-1@ 1064nm |
| Absorption band at pump wavelength | 1nm |
| Linewidth | 0.6nm |
| Polarized Emission | Unpolarized |
| Thermal Birefringence | High |
Packing Details :Use Good and Strong Cartons to pack
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FAQ
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A: Optical lens,mirrors,windows,filters,prisms
Q: How long is your delivery time?
A: In general delivery time is about one month for custom produced optics.except stock ones or some special optics.
Q: Do you provide samples ? is it free or extra ?
A: We can provide free samples if we have stock optics as your request,while custom produced samples are not free.
Q:What is your MOQ ?
MOQ is 10pcs for most of the optics, while MOQ could be only one piece if you need a element in big dimention.
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