Nd:YLF kristalai
Nd:YLF kristalai
| 0.4 – 2.0 atm. % |
| +0/-0.05 mm |
| >25 dB |
| ±0.1 mm |
| 10-5 S-D |
| <λ/10 @ 632.8 nm |
| up to λ/8 @ 632.8 nm |
| <10 arcsec |
| <10 arcmin |
| <0.1 mm x 45° |
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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