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807.5nm Laser Crystals Grooved Nd Yag Laser Rods With Good Beam Quality

807.5nm Laser Crystals Grooved Nd Yag Laser Rods With Good Beam Quality

Brand Name:STAR OPTIC
Certification:RoHS, ISO9001
Model Number:Grooved Nd:YAG
Minimum Order Quantity:1pc
Delivery Time:Negotiable
Payment Terms:T/T, Western Union, Paypal
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Location: Wuhan China
Address: 4th floor, building 9, Optics Valley New Dynamic, 5th Hi-Tech road, East lake Hi-Tech Zone, Wuhan, China
Supplier`s last login times: within 32 hours
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Laser Crystal Grooved Nd:YAG

Overview:

The grooved Nd:YAG laser rods have the improvements on the beam quality, thermal effect reduction and the efficiency when compared with the common Nd:YAG laser rods.


General Specifications Of Grooved Nd:YAG:

Nd Dopant Level0.5-1.1 atm%
Orientation<111> crystalline direction (±0.5deg)
Dimension TolerancesDiameter: ±0.05mm
Length: ±0.5mm
Surface Quality10/5 Scratch and Dig
Clear Aperture>90%
Surface Flatness<λ/10@633nm
Wavefront Distortion<λ/8@633nm
Parallelism<10 arc seconds
Perpendicularity<5 arc minutes
Chamfer<0.1mmx45°
AR CoatingReflectivity R<0.25%@1064 nm per surface
Damage threshold over 750MW/cm2@1064nm, 10 ns and 10 Hz
Other coating is per your request
Extinction RatioRods with diameter from 3 mm to 6.35 mm and with length to 100 mm: >30dB
Rods with diameter from 7 mm to 10 mm and with length to 100 mm: >28dB

Physical Properties of Grooved Nd:YAG:

Chemical FormulaNd:Y3Al5O12
Crystal StructureCubic
Lattice Constants12.01
Concentration~1.2 x 1020 cm-3
Melting Point1970℃
Density4.56 g/cm3
Mohs Hardness8.5
Refractive Index1.82
Thermal Conductivity14 W/m /K @20℃, 10.5 W /m /K @100℃
Thermal Expansion Coefficient7.8 x 10-6/K [111], 0 - 250℃

Optical Properties of Grooved Nd:YAG:

Lasing Wavelengths1064nm
Photon Energy1.86x10-19J@1064nm
Stimulated Emission Cross-Section2.8x10-19cm2
Relaxation Time of Terminal Lasing Level30ns
Radiative Lifetime550us
Spontaneous Fluorescence230us
Loss Coefficient0.003 cm-1@1064nm
Pump Wavelength807.5 nm
Absorption band at pump wavelength1nm
Linewidth0.6nm
Polarized EmissionUnpolarized
Thermal BirefringenceHigh


China 807.5nm Laser Crystals Grooved Nd Yag Laser Rods With Good Beam Quality supplier

807.5nm Laser Crystals Grooved Nd Yag Laser Rods With Good Beam Quality

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