Neodymium-Doped Yttrium Aluminum Garnet
Neodymium-doped yttrium aluminum garnet (Nd:YAG) is a widely used laser crystal. It belongs to the cubic crystal system and has a high degree of symmetry. This structure enables the crystal to exhibit excellent uniformity in optical and physical properties. The absorption bandwidth is 730 - 760nm and 790 - 820nm. Typically, it is pumped by a laser diode. The typical laser emission peak is 1064nm. With some measures, lasers with wavelengths of 946nm, 1120nm, 1320nm, and 1440nm can also be emitted. By using Q-switching and mode-locked techniques, lasers of different wavelengths (such as 532nm, 266nm, 213nm, etc.) and pulse widths (10 - 25ns) can be obtained. It has the characteristics of high gain, low threshold, high efficiency, and low loss.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Crystal Orientation | <111> |
| Surface quality | 20-10 |
| Parallelism | 20″ |
| Perpendicularity | 5′ |
| Flatness [633nm] | ≤λ/10 @ 633 nm |
| Wavefront distortion [633nm] | ≤λ/4 @ 633 nm |
| Clear aperture | 95% |
| Bevel | ≤0.15 mm×45° |
| Damage Threshold [1064 nm，10 ns，10 Hz] | ＞500MW/cm2 @ 1064 nm，10 ns，10 Hz |
| Coating | (1)AR@1064nm, R<0.1%; (2)AR@1064nm, R< 0.1%; HT@808nm, T>95%; (3)HR@1064nm, R>99.8%; HT@808nm, T>95%; (4)HR@1064nm, R>99.8%; HT@808nm, T>95%; HR@532nm, R>99% |
| Doping concentration range | 0.5 - 1.2% |
| Concentration control accuracy [of the doping concentration] | ±10% of the doping concentration |
Key Features
Datasheet
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