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Cr Znse Laser Material No Excited State Absorption Upper Level Conversion Broad

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Nanjing Crylink Photonics Co.,Ltd

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Cr Znse Laser Material No Excited State Absorption Upper Level Conversion Broad

Name: Cr Znse Laser Material No Excited State Absorption Upper Level Conversion Broad
Brand: CRYLINK
Price: 1 USD

Place of Origin : China

Brand Name : CRYLINK

Certification : Iso9001

MOQ : 1 Pieces

Price : negotiation

Packaging Details : Carton

Delivery Time : 3-4 weeks

Payment Terms : TT

Supply Ability : 100 pieces /month

Model Number : CRYLINK-Cr Znse Crystal

Name : Cr:ZnSe

Crystal structure : Cubic

Poisson Ration : 0.28

Thickness/Diameter Tolerance : ±0.05mm

Orientation Tolerence : < 0.5°

Surface Flatness :

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Cr: ZnSe laser crystal has the advantages of normally no excited state absorption and upper level conversion, an extremely broad absorption band and large emission cross-section, superb fluorescence quantum efficiency at room temperature and extra broad emission width as well as good chemical and mechanical properties, which make it become an excellent source of efficient and powerful tunable mid infrared laser. Because of mid infrared wavelength band is the window of atmosphere, the Cr: ZnSe laser crystal has important application prospect in the field of photo-communication, pollution gas detection, industrial combustion product test and so on.

Parameter

Material and Specifications

Crystal structure Cubic

Poisson Ration 0.28

Thickness/Diameter Tolerance ±0.05mm

Orientation Tolerence < 0.5°

Surface Flatness </8@632nm

Wavefront Distortion </4@632nm

Surface Quality 10-5(MIL-O-13830A)

Parallel 30

Perpendicular 15

Clear Aperture >90%

Chamfer <0.2×45°

Melting Point 1520 C

Physical and Chemical Properties

Thermal Expansion Coeff. @20C 1.5×10-6/C

Thermal Conductivity Coeff. @20C 14 W/m/K

Specific Heat 0.79 J/g K

Density 5.27 g/cm

Durability Knoop Hardness 112 kgf/mm

Mohs Hardness 8.5

Young‘s Modulus 67 GPa

Modulus of Rupture 55 MPa

Orientation <111>or <100>

Optical and Spectral Properties

Laser Wavelengths 2150 2600 nm

Emission Linewidth <1 nm

Emission Cross-section (@1064nm) 9×10-19 cm

Intrinsic Loss @1064nm <0.003 cm-1

Refractive Index (n) @ 1650nm 2.455

Thermal Optical Coeff. (dn/dT) @nm 61×10-6/C

Features

Broad tunability (lasing from 2.1-3.1 m)

Broad absorption bands

Large gain cross section (emission ~ 910-19 cm2)

Minimal problem of excited state absorption (no spin-allowed excited state transitions from the upper laser level)

High thermal conductivity better than YAG (18 W/mK in ZnSe versus 13 W/mK in YAG)

High IR (0.6-20 m) transparency

Applications

Surgery

Remote sensing

Dentistry

Free space communications

Military applications

Product Tags:
nd yag laser rod

titanium doped sapphire

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Crystal structure	Cubic
Poisson Ration	0.28
Thickness/Diameter Tolerance	±0.05mm
Orientation Tolerence	< 0.5°
Surface Flatness	</8@632nm
Wavefront Distortion	</4@632nm
Surface Quality	10-5(MIL-O-13830A)
Parallel	30
Perpendicular	15
Clear Aperture	>90%
Chamfer	<0.2×45°
Melting Point	1520 C

Thermal Expansion Coeff. @20C	1.5×10-6/C
Thermal Conductivity Coeff. @20C	14 W/m/K
Specific Heat	0.79 J/g K
Density	5.27 g/cm
Durability Knoop Hardness	112 kgf/mm
Mohs Hardness	8.5
Young‘s Modulus	67 GPa
Modulus of Rupture	55 MPa
Orientation	<111>or <100>

Laser Wavelengths	2150 2600 nm
Emission Linewidth	<1 nm
Emission Cross-section (@1064nm)	9×10-19 cm
Intrinsic Loss @1064nm	<0.003 cm-1
Refractive Index (n) @ 1650nm	2.455
Thermal Optical Coeff. (dn/dT) @nm	61×10-6/C


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