Discontinued (Discontinued) CY2255 Thulium-doped Yttrium Lithium Fluoride Crystal (Tm:YLF)

Catalogue Number	CY2255
Crystal Structure	Tetragonal

Stanford Advanced Materials (SAM) supplies laser crystals. The company has delivered orders since 2000. In addition to standard products, it meets individual client specifications. Please contact us for information regarding availability and pricing.

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Material Specifications
Concentration Tolerance (atm%)		2-4 at. %
Lattice Constants		4~5
Orientation		a-cut, other orientations are also possible
Parallelism		<10"
Perpendicularity		<5"
Surface Quality		^10-5 scratches and dents
Wavefront Distortion		λ/8 @ 633nm
Surface Flatness		λ/10 @ 633nm
Clear Aperture		0.95
Length Tolerance		±0.1 mm
Surface Dimension Tolerance		+0/-0.1 mm
Protective Chamfers		<0.1 mm at 45°
Damage Threshold		over 15J/cm2 TEM00, 10ns, 10Hz
Optical and Spectral Properties
Laser Transition	3F4→3H6
Laser Wavelength	π:1880 nm; σ:1908 nm
Absorption Cross Section at Peak	0.55×10-20 cm2
Absorption Bandwidth at Peak Wavelength	16 nm
Absorption Peak Wavelength	792 nm
Lifetime of the Thulium 3F4 Energy Level	16 ms
Quantum Efficiency	2
Nonlinear Refractive Index n2	0.6 x 10-13
Optical Quality	< 0.3 x 10-5
Refractive Index @1064 nm	no=1.448, ne=1.470
Laser-induced Damage Threshold	>10 J/cm2@1900 nm, 10 ns
Coatings	R<0.5% @792 nm + R<0.15% @1800-1960 nm on both sides; custom coatings are available

Material specifications
Concentration Tolerance (atm%)		2-4 at. %
Lattice Constants		4~5
Orientation		a-cut, other orientations also available
Parallelism		<10”
Perpendicularity		<5”
Surface Quality		10^-5 scratch & dig
Wavefront Distortion		λ/8 @ 633nm
Surface Flatness		λ/10 @ 633nm
Clear Aperture		0.95
Length Tolerance		±0.1 mm
Face Dimensions Tolerance		+0/-0,1 mm
Protective Chamfers		<0.1 mm at 45˚
Damage Threshold		over 15J/cm2 TEM00, 10ns, 10Hz
Optical and spectral properties
Laser Transition	3F4→3H6
Laser Wavelength	π:1880 nm; σ:1908 nm
Absorption Cross-section at Peak	0.55×10-20 cm2
Absorption Bandwidth at Peak Wavelength	16 nm
Absorption Peak Wavelength	792 nm
Lifetime of 3F4 Thulium Energy Level	16 ms
Quantum Efficiency	2
Non-linear Index n2	0.6 x 10-13
Optical Quality	< 0.3 x 10-5
Refractive Index @1064 nm	no=1.448, ne=1.470
Laser Induced Damage Threshold	>10 J/cm2@1900 nm, 10 ns
Coatings	R<0,5% @792 nm + R<0,15% @1800-1960 nm on both sides; custom coatings also available

Discontinued (Discontinued) CY2255 Thulium-doped Yttrium Lithium Fluoride Crystal (Tm:YLF)

Description of the Thulium-doped Yttrium Lithium Fluoride Crystal

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Specifications of the Thulium-doped Yttrium Lithium Fluoride Crystal

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