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Nd:YAG

Neodymium-doped Yttrium-Aluminum Garnet (Nd:YAG) crystal is the best of the rare earth garnet materials that are characterized by four-level system which permits low threshold operation both in pulsed and CW mode. It is the most mature and widely used solid-state laser material adopted by R&D, medical, industrial and military customers. Its properties are a good compromise between the strengths and weaknesses of its competition. Nd:YAG crystals are used in all types of solid-state lasers systems, e.g. frequency-doubled continuous wave laser, high-energy Q-switched pulse laser, etc. Compared with other laser crystals, its fluorescence lifetime is twice that of Nd:YVO4, and thermal conductivity is also better. Keywords: ND:YAG crystal,YAG crystal,YAG laser crystal,YAG.

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Product Description

Nd:YAG crystals are used in all types of solid-state lasers systems, e.g. frequency-doubled continuous wave laser, high-energy Q-switched pulse laser, etc. Compared with other laser crystals, its fluorescence lifetime is twice that of Nd:YVO4, and thermal conductivity is also better.

Material Properties:

Host Crystal	Y₃Al₅O₁₂
Crystal Structure	Cubic
Moh Hardness	8-8.5
Melting Point	1950 deg C
Density	4.55 g/cm3
Laser Wavelengths	946 nm, 1064 nm, 1319 nm
Fluorescence Lifetime (1064 nm)	230 µs (depending on dopant concentration)
Emission Cross Section (1064 nm)	7 x 10 ^-21 cm²
Index of Refraction (1064 nm)	1.82

Absorption Spectrum:

APPLICATION:

● Nd:YAG is widely used solid-state laser material adopted by R&D, medical, industrial and military customers.

● Nd:YAG can be operated in a very high power laser up to kw level at 1064nm.

● Nd:YAG can be used for high power 532nm laser from SHG 1064nm.

● Nd:YAG can be Q-switched with Pockels Cell or Cr:YAG.

● Nd:YAG can produce blue laser from the frequency-doubling of 946nm.

ADVANTAGE:

● High Gain, Low Threshold, High Efficiency

● High damage threshold

● High thermal conductivity

● Low Loss at 1.06 um, High Optical Quality

● Good Mechanical Properties

SPECIFICATIONS:

Dimension Tolerance	D(+0/-0.05) * L(+/-0.5) mm	Ends Type	Parallel or Anti-Parallel or Brewster cut
Cut Angle	<111>	Dopant Concentration (± 0.1 at%)	0.5 at% ~ 1.1 at%
Angle Tolerance	+/-5 °	Perpendicularity	≤ 5 ′
Scratch/Dig	10/5	Chamfer	< 0.1mmx45°
Parallelism	≤ 10 ″	Chips	< 0.1mm
Flatness	λ/10@633nm	Clear Aperture	≥ 95%
Wavefront Distortion	λ/6@633nm	Extinction Ratio	>28dB
Coatings	C1: AR@1064nm C2: AR@1064nm & 808nm
Damage Threshold	1GW/cm² 10ns 10Hz at 1064nm

STANDARD PRODUCTS:

Doping	Cut Angle	Size(mm)	Coating
1.1%	<111>	Dia.3x50	AR/AR@1064nm
1.1%	<111>	Dia.4x40	AR/AR@1064nm
1.1%	<111>	Dia.5x50	AR/AR@1064nm
1.1%	<111>	Dia.5x115	AR/AR@1064nm
1.1%	<111>	Dia.6x80	AR/AR@1064nm
1.1%	<111>	Dia.6x100	AR/AR@1064nm
1.1%	<111>	Dia.6x115	AR/AR@1064nm
1.1%	<111>	Dia.6x120	AR/AR@1064nm
1.1%	<111>	Dia.6x150	AR/AR@1064nm
1.1%	<111>	Dia.7x80	AR/AR@1064nm
1.1%	<111>	Dia.7x100	AR/AR@1064nm
1.1%	<111>	Dia.7x115	AR/AR@1064nm
1.1%	<111>	Dia.7x140	AR/AR@1064nm
1.1%	<111>	Dia.8x85	AR/AR@1064nm
1.1%	<111>	Dia.8x100	AR/AR@1064nm
1.1%	<111>	Dia.8x110	AR/AR@1064nm
0.5%	<111>	4x4x25	AR@1064nm&808nm
0.5%	<111>	4x4x7	AR@1319nm&1064nm&946nm&808nm
0.5%	<111>	3x3x20	AR@1064nm&808nm
1.1%	<111>	3x3x5	S1:HR1064&532, HT808; S2:AR1064
1.1%	<111>	3x3x2	S1:HR@946&473, HT@1064&1319&808; S2:AR@946&473

Key words:

yag

nd:yag

nd:yag rod

yag rod

1064nm

laser rod

1064nm rod

neodymium doped yag

neodymium doped yttrium aluminum garnet

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Established in 2001 and located in the city of Qingdao, China. Crystech Inc. is a global supplier of Alexandrite, KTP, RTP and E-O Q-Switch, YAG crystals, Laser Optics and more.

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