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Nd:YAG
Product Description
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.
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:
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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