Discontinued (Discontinued) OP1305 Holmium-doped Yttrium-Lithium Fluoride (Ho:YLF)

Catalogue Number	OP1305
CAS Number	226949-26-4
Chemical Formula	Ho: LiYF4
Molecular Weight	393.766

Stanford Advanced Materials (SAM) has provided Holmium‑doped Yttrium‑Lithium‑Fluoride and other laser crystals for over 20 years. Supply records verify that SAM meets the technical specifications required by research institutions and industrial laboratories.

Related products: Nd: YLF, Ho:Cr:Tm: YAG, Er: YAG, Yb: YAG, Nd: YAG, etc.

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Nd: YLF	1,047 µm, 1,053 µm, 1,313 µm, 1,324 µm and 1,370 µm
Er: YLF	0.85 µm and 2.81 µm
Ho: YLF	0.75 µm and 2.06 µm
Tm: YLF	0.435 µm, 1.89 µm and 2.30 µm

Absorption peak wavelength	1940nm
Absorption cross-section at peak	1,2×10-20 cm2
Absorption bandwidth at peak wavelength	~18 nm
Laser wavelength	2060 nm
Lifetime of 5I7 energy level	10 ms
Emission cross-section	1,8×10-20 cm2
Refractive index @1064 nm	no=1,448, ne=1,470
dn/dT	-4,6 × 10-6 (\|\|c) K-1, -6,6 × 10-6 (\|\|a) K-1
Thermal expansion coefficient	10,1 × 10-6 (\|\|c) K-1, 14,3 × 10-6 (\|\|a) K-1
Thermal Conductivity /(W·m-1·K-1)	6 Wm-1K-1
Crystal structure	tetragonal
Melting Point	819°C
Density	3.95 g/cm3
Mohs hardness	5
Typical doping level	0.5-1%

Doping(atm%):	0.5% ~ 1%
Orientation:	a-cut/c-cut crystalline direction
Wavefront Distortion:	λ/4per inch @ 632.8 nm
Dimension Tolerances：	+0.0/-0.05 mm , Length: ±0.1 mm
Surface Quality:	10/5 Scratch/Dig MIL-O-1380A
Parallelism:	< 10″
Perpendicularity:	< 5′
Clear Aperture:	> 90%
Surface Flatness:	< λ/10 @ 632.8 nm
Chamfer:	< 0.1 mm @ 45o
Barrel Finish	50-80 micro-inch (RMS) ,
Size	Upon customer request
Coating	AR/HR/PR coating upon customer’s request
Damage Threshold	750MW/CM2 at 1064nm, TEM00, 10ns, 10Hz

Discontinued (Discontinued) OP1305 Holmium-doped Yttrium-Lithium Fluoride (Ho:YLF)

Description of Holmium-Doped Yttrium Lithium Fluoride

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