Neodymium-doped Yttrium Lithium Fluoride Laser Crystal

Nd:YLF (Nd: LiY1.0-XF4 )crystal offers an alternative to the more common YAG host for near IRoperation. The combination of weak thermal lensing (19 times lower than that ofYAG), large fluorescence line width and naturally polarized oscillation makesNd:YLF an excellent material for CW mode locked operation. 1053 nm output ofNd:YLF matches gain curves of Nd:Glass laser and performs well as an oscillatorand pre-amplifier, the output wavelength covers 1053nm, 1047nm, 1313nm, 1324nm and 1370 nm. CoupletechCo., Ltd. manufactures, develops and markets a variety of optical crystals andcomponents which are widely used in the field of optoelectronics.  Nd:YLF crystal is grownutilizing the modified Czochralsky technique. The as-grown crystals are thenprocessed into laser rods or slabs, coated in house, and inspectedper customer specifications. Long crystals for lamp pumping with concentrationto 1.1 atom % and short elements for diode pumping with concentration to 1.5atom % can be grown. The use of high quality starting materials for crystal growth, whole boule interferometry,and precise inspection of scattering particle in crystal using He-Ne lsaer assures that each crystal will perform well.