Ho:Cr:Tm:YAG
Ho:Cr:Tm:YAG has wide applications in medical military and meteorology fields..
It is a high efficiency laser material which lasers at 2.1μm.
1. Optical and lasing Properties of Ho:Cr:Tm:YAG
Host crystal:
Yttrium Aluminum Garnet (Y3Al5O12 )
Active Ion:
Holmium (Ho3+ )
Sensitization
Ions: Thulium (Tm3+ ), Chromium (Cr3+ )
Lasing
Transition: 5I7 -- 5I8
Lasing
Wavelength: 2.1μm
Major Pump
Bands: 400 – 800 nm
Refractive
Index: 1.80 ( at 2100 nm wavelength)
Hardness:
Mohs 8.5
Thermal
Conductivity: 0.0290 cal/sec.℃.cm
Density: 4.56
g/cm3
Oriention:<111>
Dimension:
upon request
2.
Typical size Of Ho:Cr:Tm:YAG laser crystal
1.)
Ho:Cr:Tm:YAG rod ,6% Tm,0.4%Ho,0.8%Cr, Ø 6 mm x 3 mm,
flat/flat
Side 1: AR @ 2.1 μm, R<0.25%
Side 2: HR@ 2.1 μm, R>99.5% and R<10% @ 785 nm
2.)
Ho:Cr:Tm:YAG rod ,6% Tm,0.4%Ho,0.8%Cr, flat/flat
Ø 4
mm x 70 mm, both sides AR @ 2.1 μm
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