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ND ND YAG LASER ROD ND YAG sapphire Laser

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Nd:YAG Laser Crystals

Neodymium Doped Yttrium Aluminum Garnet - Nd:YAG laser crystals has been and would continue to be the most popular lasing media for solid-state lasers.

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Nd YAG Laser Rod:

3*50mm

3*78mm

4*100mm

5*85mm

5*95mm

5*100mm

6*100mm

6*120mm

6*125mm

6*130mm

7*145mm

8*100mm

8*145mm

8*165mm

8*185mm

8*195mm

9*185mm

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Description

Nd: YAG Crystals
Nd: YAG laser crystals, Neodymium doped yttrium aluminum garnet (Nd: YAG) is the earliest, most famous, and most widely used laser crystal. Because of its excellent basic properties, Nd: YAG is still often used in near-far-infrared solid-state lasers and their frequency doubling and frequency more triple, and can also be used in diode-pumped all-solid-state microlasers. The high-quality continuous laser output of red, green, and blue is more efficient and easier to realize than Nd: YVO4; Nd: YAG is also widely used in military, scientific research, medical and industrial lasers, such as various specifications of rangefinder, photoelectric countermeasure equipment system, high-performance laser instruments, laser therapeutic instruments, beauty instruments, laser marking machines, drilling machines, and other laser processing machinery. When high power, high energy, Q-switch, and mode-locked ultrashort pulse laser are needed, Nd: YAG is the preferred laser working material.
Main advantages:
◇ good optical and mechanical properties
◇ stable chemical performance
◇ it can produce multiple wavelengths of 946nm, 1064nm, and 1319nm
◇ high power output can reach kW level
◇ good thermal conductivity and thermal shock resistance
◇ applicable to a variety of working modes (continuous, pulse, q - switch, mode-locking)
Specifications:

Orientation	<111> or <100> within 5 degree	Wavefront Distortion	≤Lambda/8 @ 633nm
Extinction Ratio	≥28 dB	Parallelism	≤ 10 arc second
Perpendicularity	≤ 5 arc minute	Flatness	≤ Lambda/10 @ 633nm
Surface Quality	10/5 S/D (per MIL-O-13830A)	Chamfer	<0.1mm x 45 degree

Physical and Optical Properties:

Laser Wavelength	1064nm	Stimulate Emission Cross Section	2.8x10^-19cm^-2
Relaxation Time of Terminal Leasing Level	30 ns	Radiative Lifetime	550 ms
Spontaneous Fluorescence	230 ms	Loss Coefficient	0.003 cm^-1 @ 1064 nm
Effective Emission Cross Section	2.8 x 10^-19cm²	Linewidth	0.6 nm
Index of Refraction	1.82	Pump Wavelength	807.5nm
Chemical Formula	Nd: Y3A15O12	Crystal Structure	Cubic
Lattice Parameters	12.01Å	Concentration	~ 1.2 x 10²⁰ cm^-3
Melting Point	1970℃	Mohs Hardness	8.5
Density	4.56g/cm³	Thermal Expansion Coefficient	[111]Direction:7.8×10^-6 /℃(0~250℃)
Thermal Conductivity	14W/m/K(@20℃) and 10.5W/m/K(@100℃)

APPLICATION
● Nd: YAG is a widely used solid-state laser material adopted by R&D, medical, industrial, and military customers. For example, it can operate in the following applications.
● Nd: YAG can produce blue laser with the frequency-doubling of 946nm
● Nd: YAG can be operated in a very high power laser up to kw level at 1064nm
● Nd: YAG can be Q-switched with Cr4+YAG directly
● Nd: YAG can be used for high power green laser for SHG@1064nm
A Part of Inventory for Nd: YAG Crystals

P/N	Doping	Cut Angle	Size(mm)	Coating
YAG-11-0305	1.1%	<111>	Dia.3x50	AR/AR@1064nm
YAG-11-0404	1.1%	<111>	Dia.4x40	AR/AR@1064nm
YAG-11-0505	1.1%	<111>	Dia.5x50	AR/AR@1064nm
YAG-11-05115	1.1%	<111>	Dia.5x115	AR/AR@1064nm
YAG-11-0608	1.1%	<111>	Dia.6x80	AR/AR@1064nm
YAG-11-0610	1.1%	<111>	Dia.6x100	AR/AR@1064nm
YAG-11-06115	1.1%	<111>	Dia.6x115	AR/AR@1064nm
YAG-11-0612	1.1%	<111>	Dia.6x120	AR/AR@1064nm
YAG-11-0615	1.1%	<111>	Dia.6x150	AR/AR@1064nm
YAG-11-0708	1.1%	<111>	Dia.7x80	AR/AR@1064nm
YAG-11-0710	1.1%	<111>	Dia.7x100	AR/AR@1064nm
YAG-11-07115	1.1%	<111>	Dia.7x115	AR/AR@1064nm
YAG-11-0714	1.1%	<111>	Dia.7x140	AR/AR@1064nm
YAG-11-0808	1.1%	<111>	Dia.8x85	AR/AR@1064nm
YAG-11-0810	1.1%	<111>	Dia.8x100	AR/AR@1064nm
YAG-11-0811	1.1%	<111>	Dia.8x110	AR/AR@1064nm
YAG-07-4425	0.7%	<111>	4x4x25	S1:AR@1064&808nm S2:AR@1064nm
YAG-11-332-C4/C3	1.1%	<111>	3x3x2	S1:HR@946&473&HT@1064 &1319&808nm S2:AR@946&473nm

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