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Nd:Ce:YAG is a high efficiency laser material that can be widely used in medical, military and meteorology fields. In double doped Nd:Ce:YAG crystals, Cerium are chosen as sensitizer for Nd 3+ ions because of its strong absorption in UV spectral region in flash lamp pumping and efficient energy transition to the Nd3+ excited state. As a result, the thermal distortion is less in Nd:Ce:YAG and the output laser energy is greater than that in Nd:YAG at the same pumping. Therefore, it is possible to realize high power lasers with good beam quality. Lasing wavelength at 1064 nm, laser damage threshold and thermal conductivity of Nd:Ce:YAG crystals are the same as Nd:YAG.
Advantages：
● High Efficiency
● Low Threshold
● Good Anti-UV Property
● Good Thermal Stability
Material Properties:
|
Host Crystal |
Y3Al5O12 |
|
Crystal Structure |
Cubic |
|
Moh Hardness |
8-8.5 |
|
Melting Point |
1970 deg C |
|
Density |
4.55 g/cm3 |
|
Laser Wavelengths |
1064nm |
|
Linewidth |
4.5Å @ 1064nm |
|
Fluorescence Lifetime (1064 nm) |
230 µs (Nd,1at%) |
|
Emission Cross Section (1064 nm) |
2.7~8.8 x 10 -19 cm-2 |
|
Index of Refraction (1064 nm) |
1.82 |
Specifications:
|
Dopant |
Nd:1.1-1.4%, Ce:0.05-0.1% |
Lasing wavelength |
1064nm |
|
Dimension Tolerance |
D(+0/-0.1) * L(+/-0.5) mm |
Cut Angle |
<111> |
|
Angle Tolerance |
+/-5 ° |
Perpendicularity |
≤5′ |
|
Scratch/Dig |
10/5 (MIL-O-13830A) |
Chamfer |
<0.15mmx45° |
|
Parallelism |
≤10″ |
Chips |
<0.1mm |
|
Flatness |
0.125λ |
Clear Aperture |
≥95% |
|
Wavefront Distortion |
0.125λ per inch |
Refractive Index |
1.8 |
|
Coatings |
Standard Coating: AR/AR 1064nm (R<0.2%) Other types of coatings upon request |
||
|
Damage Threshold |
750MW/cm² at 1064nm |
||
|
Pump Source |
Flash Lamp |
||
关键词：
电光开关 | 非线性晶体 | 光学镜片 | 激光晶体 | 器件
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