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Nd Yag Crystal - China

price: 5.00 Dollar US$

Nd:YAG crystal is the most widely used solid-state laser material today. It has been used in the 'micro/mini' 'DPSS' (Diode Pumped Solid State' laser system to get high quality Red, Green or Blue laser output in which the blue laser of Nd:YAG crystal has higher efficiency and more easy to realizes than Nd:YVO4 crystal blue laser. Nd:YAG crystal was also widely used in the military, scientific, medical and industrial laser systems, high performance scientific laser systems, laser therapy, cosmetology systems, laser marking, laser drilling and other laser material processing systems. Especially, Nd:YAG crystal is the best laser material for the high power, high energy, and Q-switched pulse laser systems. The very wide applications of Nd:YAG crystal in various laser system is because its outstanding performance in physics and mechanics.

Advantages of Nd:YAG crystals
• High gain
• Low threshold
• High efficiency
• Low loss
• Suitable for different modes of operation (cw, pulsed, Q-switched, • mode locked, doubling of frequency )
• Suitable for high-average power lasers
• Good thermal conductivity and thermal shock characteristics
• Large mechanical strength
• High optical quality

Nd dopant: 0.6 ~ 1.3 atm%
Diameter: 3 ~ 14mm
Length: 1 ~ 160mm

Orientation: <111> or <100> within 5°
Dimensional Tolerance: +/-0.1mm
Wavefront Distortion: <λ/8 at 633nm
Surface Quality: 20/10
Parallelism: < 10 arc seconds
Perpendicularity: < 5 arc minutes
Surface Flatness: <λ/10 at 633nm
Clear Aperture: Central 95%
Chamfer: 0.15x45°
Coating: 1.AR@1064nm R<0.2%
2.AR@1064nm R< 0.2% & HT@808nm T>95%
3.HR@1064nm R>99.8% & HT@808nm T>95%
4.HR@1064nm R>99.8% & HR@532nm R>99% & HT@808nm T>95%

Chemical Formula Nd:Y3A15O12
Crystal Structure Cubic
Lattice Constants 12.01Ä
Concentration ~ 1.2 x 1020 cm-3
Melting Point 1970 °C
Density 4.56 g/cm3
Mohs Hardness 8.5
Refractive Index 1.82
Thermal Expansion Coefficient 7.8 x 10-6 /K [111], 0 - 250 °C
Thermal Conductivity 14 W/m /K @20 °C, 10.5 W /m /K @100 °C.

Lasing Wavelength 1064 nm
Stimulated Emission Cross Section 2.8x10-19 cm-2
Relaxation Time of Terminal Lasing Level 30 ns
Radiative Lifetime 550 ms
Spontaneous Fluorescence 230 ms
Loss Coefficient 0.003 cm-1 @ 1064 nm
Effective Emission Cross Section 2.8 x 10-19 cm2
Pump Wavelength 807.5 nm
Absorption band at pump wavelength 1 nm
Linewidth 0.6 nm
Polarized Emission Unpolarized
Thermal Birefringence High

Company Contact:

  • Phone: 15860296796

  • Address: 4/F, 12th Bldg, Taijiang Industrial Park, Juyuanzhou Industrial Zone,Fuzhou, Fujian, China, Fuzhou, Fujian, China

  • Email: Email

Published date: August 11, 2016 -

  • Business Description: Our manufacturing capabilities consist of all types of customized lens, Beam Splitters, Polarizing Optics, Prisms, Filters, Coatings, Optical Systems, Optical Assemblies and Optical Systems Solutions, Laser Crystals, NLO Crystals. The products are widely used in laser industry, optical communication, laser display, medical equipment, survey equipment, precision Instrument and semiconductor.

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