Cr4+：YAG

YAG is an excellent crystal for passive Q-switch. It can be used in diode pumped

Classification:

Laser Crystals

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Detailed introduction

Cr⁴⁺:YAG is an excellent crystal for passive Q-switch. It can be used in diode pumped or lamp-pumped Nd:YAG, Nd:YLF, Yb:YAG or other Nd and Yb doped lasers at wavelength from 1.0um to 1.2um.

PRODUCT FEATURE

Long lifetime

Good thermal conductivity

High damage threshold

More stable and reliable

Absorption Spectrum

Emission Spectrum

Specifications
Orientation	<100> or <111>±5°
Dimension	Diameter:3~12mm,H×W:2×2~30×30mm(Customized available)
Dimension Tolerance	Φ:+0/-0.04mm,L:+0.02/-0mm
Perpendicularity	≤5′
Parallelism	≤10″
Chamfer	≤0.15±0.05mm
Surface Quality	10/5 (MIL-PRF-13830B)
Barrel	Fine Ground
Flatness	≤λ/10@632.8nm
Coating	AR coating:R<0.15%@1064nm
Damage Threshold	≥1GW/cm2@1064nm,10ns,10Hz

Properties
Crystal Structure	Cubic
Melting Point	1970°
Density	4.56±0.04g/cm³
Specific Heat	0.59J/g.cm³@0~20℃
Elastic Modulus	310GPa
Young's Modulus	3.17×104Kg/mm²
Mohs Hardness	8.5
Tensile Strength	0.13~0.26GPa
Poisson’s Ratio	0.3
Thermal Expansion Coefficients	<100>方向:8.2×10-6/K@0~250℃
	<110>方向:7.7×10-6/K@0~250℃
	<111>方向:7.8×10-6/K@0~250℃
Thermal Conductivity	14W/m/K@20℃
	10.5W/m/K@100℃
Thermal Optical Coefficient	dn/dT=7.3×10-6/K
Refractive Index	1.82@1064nm
Solubility	Insoluble in water, slightly soluble in ordinary acid