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Cr, Tm, Ho: YAG

CrTmHo YAG Laser Crystal Laser Crylink
Cr,Tm,Ho:YAG coated rod

Parameter

Doped ConcentrationHo:0.3~0.4at% Cr:0.3~1.2at% Tm:5~6at%
Wavefront Distortion<λ/4@632nm
Extinction Ratio≥25 dB
Rod SizesDiameter:3~6mm,Length:50~120mm
Dimensional TolerancesDiameter:+0.00/-0.05mm, Length: ± 0.5mm
Barrel Finish50-80 micro-inch (RMS)
Parallelism≤30″
Perpendicularity≤5′
Flatnessλ/10@ 633 nm
Surface Quality10/5 Scratch / Digper MIL-O-1380A
Chamfer0.006″±0.002″ at 45°± 5°
AR Coating Reflectivity≤ 0.25% (@2094nm)
StructureCubic
Lattice Constant12.01Å
Melting Point1970°C
Density4.56g/cm3
Orientation<111> or <100]> crystalline within 5°
Thermal Expansion7.8×10-6 /K
Thermal Conductivity14W/m/K, 20°C;10.5W/m/K, 100°C
Mohs Hardness8.5
Dielectric Constant11.7
Laser Transition5I7 → 5I8
Laser Wavelength 2.094 µm
Photon Energy9.55 x 10-20 J
Emission Cross Section 7 x 10-21 cm2
Fluorescence Lifetime8.5 ms
Index of Refraction1.80 @2.08 µm
Aperture>90%
Absorption Linewidth4 nm
Diode Pump Band 781 nm
Major Pump Band400~800 nm

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2025 Mid-Autumn Festival & National Day Holiday Notice

Hello everyone,

This is a quick update from all of us at Crylink regarding the upcoming holiday season.

Key Dates at a Glance:

  • Office Closed: From Oct 1 (Wed) to Oct 8 (Wed), 2025.

Our website remains operational during the holidays. You can browse our website and submit inquiry forms as usual, but please note that all new inquiries will be processed after we return on October 9th.

Wishing you a happy life and that everything goes smoothly!

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I am Ben Fang, the CEO of laser-crylink.com, me and my team would be happy to meet you and learn all about your business, requirements and expectations.