Neodymium-doped yttrium lithium fluoride (Nd:YLF) is a lasing medium for arc lamp-pumped and diode-pumped solid-state lasers. The YLF crystal (LiYF 4) is naturally birefringent, and commonly used laser transitions occur at 1047 nm and 1053 nm. [1] It is used in Q-switched systems in part due to its relatively long fluorescence lifetime.

Fluoride crystals are among the most important hosts for laser materials because of their special optical properties. Of these, LiYF4 (YLF) is one of the most common rare-earth-doped laser materials, with a variety of efficient mid-IR laser lines from the UV (Ce3+:YLF)1 to mid–IR range.

Yttrium lithium fluoride (LiYF 4, sometimes abbreviated YLF) is a birefringent crystal, typically doped with neodymium or praseodymium and used as a gain medium in solid-state lasers. [1] Yttrium is the substitutional element in LiYF 4. The hardness of YLF is significantly lower than other commons crystalline laser media, i.e. yttrium aluminium ...

Nd:YLF (a-cut) crystals that are used inside a laser optical resonator are self polarizing; Custom crystals available upon request . Application examples . CW and pulsed operation at 1047nm and 1053 nm; Materials processing, welding, cutting

The term YLF laser is usually used for lasers based on neodymium-doped YLF (Nd 3+:YLF) crystals, although there are other rare-earth-doped YLF crystals, e.g. with ytterbium, erbium, thulium, holmium or praseodymium doping.

Neodymium-doped Lithium Yttrium Fluorides (Nd:LiYF4 or Nd:YLF) is a crystal which lasers at 1047 nm and 1053 nm wavelength. Its main advantages are: large fluorescence line width, low thermal lensing, low threshold for CW applications and naturally polarized oscillation, which makes Nd:YLF an excellent material for CW, mode locked operation.

Nd:YLF – Laser crystal. Nd:YLF (with the more precise formula Nd:LiYF 4) emission wavelengths are 1053, 1047, 1313, 1324 and 1370 nm. This is a laser material that acts as an alternative to Nd:YAG. The main advantage of Nd:YLF over Nd:YAG is a …

2019年8月15日 · In this paper, an environmentally friendly Bridgman-Stockbarger technique was used to growth a fluoride single crystal LiYF 4: Pr 3+ (YLF: Pr 3+). Polarized absorption spectra, polarized fluorescence spectra, and fluorescence decay curves were measured at …

Nd: YLF crystals are uniaxial crystals that can be used to emit lasers with wavelengths of 1047 nm and 1053 nm. These wavelengths correspond to πpolarization and σ polarization, respectively. So Nd: YLF crystal is a potential working medium producing orthogonal polarization at 1047 nm and 1053 nm at the same time.

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