Medical Nd Yag Laser Tattoo Removal Machine Rod Yellow Pink Crystal 5*85mm-Filters Crystal-Beijing Zohonice Beauty Equipment Co.Ltd-LASER IPL MACHINE

Medical Nd Yag Laser Tattoo Removal Machine Rod Yellow Pink Crystal 5*85mm

Advantage
High gain, high efficiency, low laser threshold
High optical quality, less absorption of 1064nm wavenlength
Good mechanical and thermal properties
Suitable for multiple working modes (continuous, pulse, q-switch, mode locking)

Theory
nd Yag laser rod: Invented in the sixties of the last century, Nd:YAG(Neodimium Doped Yttrium Aluminum Garnet) has been and continue to be the most widely used laser crystal for solid-state crystal material. Its laser parameters are a good compromise between the strengths and weaknesses of its competition. Nd:YAG crystals are used in all types of solid-state lasers systems-frequency-doubled continuous wave, high-energy Q-switched, and so forth. Compared with others laser crystals, its fluorescence lifetime is twice more than Nd:YVO4, and thermal conductivity is also better. Red Optronics supplies quality Nd:YAG rods with high optical homogeneity, consistent performance, and high processing accuracy.nd Yag laser rod As a national leading high-tech crystal materials and other synthetic crystal materials

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VISIT

---Specification---

Chemical formula	y3al5o12
Crystal structure	cubic
Lattice parameters	12.01å
Melting point	1970°c
density	4.5g/cm3
Reflectivity	1.82
Thermal expansion coefficient	7.8x10-6/k <111>，0 - 250oc
Thermal conductivity	14w/m/k, 20°c 10.5w/m/k, 100°c
Moh's hardness	8.5
Stimulated emission cross section	2.8x10-19cm-2
Loss factor	0.003 cm-1@ 1064nm
Line width	0.6 nm
Radiation lifetime	550 ms

nd doping concentration	0.5─1.2 atm %
Orientation	<111> ±5°
Flatness	<λ/10 @ 632.8 nm
Parallelism	≤10"
Verticality	≤5 ′
Surface finish	10/5 scratch / digper mil-o-13830a
Optical quality	Interference fringes：≤ 0. 125 /inch Extinction Ratio：ф3－ф6.35 ≥ 28db ф7－ф10 ≥ 25db
size	585MM/6120MM/7*120mm
Size tolerance	Diameter:+0/-0.05mm/Length: ±0.5mm/Chamfer:<0.1 mm @ 45º
Anti-reflection coating	≤ 0.2% (@1064nm)
High reflective film	>99.8%@1064nm and r<5%@808nm
Other high reflective film	such as hr @ 1064/532 nm, hr @ 946nm, hr@1319 nm
Laser damage threshold	> 500mw/cm2
Laser characteristics	Long pulse point efficiency: 3.3% (lamp pump, 20j input), long pulse slope efficiency: 4.2%

---Operate Guide---