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dominica CTH：YAG

is a high efficient laser material which lasers at 2.1µm

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dominicaLaser Crystals

Product Description

CTH:YAG（Cr:Tm:Ho:YAG）is a high efficient laser material which lasers at 2.1µm.It has wide applications in medical and meteorology fields.

PRODUCT FEATURE

High slope efficiency

Pumped by flash lamp or diode

Operates well at room temperature

Suitable for lamp pump,can also be suitable for diode pump

Operates in a relatively eye-safe wavelength range

Absorption Spectrum

Specifications
Concentration	Ho:0.3%~0.4at%,Cr:0.3%~1.2%,Tm:5%~6%
Crystal orientation	<111>±5°
Dimensions	Diameter:3mm-6mm,Length:50-120mm(Customized available)
Dimension Tolerance	Φ:+0/0.04mm,L:+0.5/-0mm
Perpendicularity	≤5′
Parallelism	≤10”
Chamfer	0.15±0.05mm
Surface Quality	10/5(MIL-PRF-13830B)
Barrel	Fine Ground, Polishing, Grooving
Flatness	≤λ/10@623.8nm
Wavefront Distortion	≤0.125λ/25mm@1064nm
Extinction Ratio	≥25dB
Anti-reflection Coating	R≤0.25%@2094nm
Damage Threshold	≥1GW/cm2@1064nm,10ns,10Hz

Physical and Chemical Properties
Crystal Structure	Cubic Crystal
Melting Point	1970°C
Density	4.56±0.04g/cm3
Mohs Hardness	8.5
Poisson’s Ratio	0.3
Tensile Strength	0.13~0.26GPa
Thermal Optical Coefficient	7.3×10-6/K
Refractive Index	1.80@2094nm