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

Catalog No.	CY2255
Crystal Structure	Tetragonal
Perpendicularity	<5"
Protective Chamfer	<0.1 mm at 45˚
Laser Wavelength	π:1880 nm; σ:1908 nm

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

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Material specifications
Concentration Tolerance (atm%)		2-4 at. %
Lattice Constants		4~5
Orientation		a-cut, other orientations are 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

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

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

Description of Thulium-Doped Yttrium Lithium Fluoride Crystal

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Specifications of Thulium-Doped Yttrium Lithium Fluoride Crystal

Applications of Thulium-Doped Yttrium Lithium Fluoride Crystal

Specification

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