Nd:YLF Crystals
Nd:YLF Crystals
| Nd:LiYF4 |
| 0.4 ~ 2 atm. % |
| 10 - 5 scratch & dig |
| λ/[email protected] |
| up to λ/8 @ 632.8nm |
| ≥ 28 dB |
| Diameter: +0.0 mm, -0.05 mm,
Length: +0.0 mm, -0.10 mm |
| ≤ 15 arcsec |
| ≤ 5 arcmin |
| < 0.1 mm @ 45 deg |
| fine grinded or chemically etched (for better heat handling) |
Nd:YLF (more precise formula is Nd:LiYF4) emission wavelengths are 1053, 1047, 1313, 1324, and 1370nm. It is laser material alternative to Nd:YAG . Main Nd:YLF advantage over Nd:YAG is higher pulse energy at low (<2kHz) repetition rate. Other differences are also worth to mention: weak thermal lensing, relatively broad fluorescence linewidth and naturally polarized oscillation. Altechna provides Nd:YLF crystals which are selected to have low inhomogeneity over all aperture. Crystals with diameter 10mm, length 120mm and inhomogeneity ~ 0.1-0.3 * 10-5 are available.
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Low inhomogeneity |
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Apertures up to 20mm |
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Length up to 120mm |
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Barrel side can be optimized for better heat handling |
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